PLURIOL E 9000

CAS Number: 25322-68-3 (polyethylene glycol family identifier; does not identify a unique molecular-weight distribution)
EC Number: 500-038-2 (polyethylene glycol family identifier)
Molecular Formula: HO-(CH2-CH2-O)n-H (polymeric repeat-unit representation; variable n)
Molecular Weight: Approximately 9,000 g/mol nominal average molar mass (not a single-molecule value)
INCI Name: Not reliably established for the exact PLURIOL E 9000 grade; PEG-number cosmetic nomenclature and any permitted product labeling require separate confirmation
E Number / INS Number: E 1521 / INS 1521 applies to polyethylene glycol under specified food-additive rules; it does not confer food grade or authorization on PLURIOL E 9000
Boiling Point: Not reliably established as a sharp boiling point for the commercial polymer; heating may cause degradation before conventional distillation
Melting Point: Approximately 65 degrees C, typical clear-melting value in a published PLURIOL E family technical bulletin
Viscosity: Approximately 900 mm2/s at 99 degrees C (kinematic viscosity of the melt, historical family bulletin); separately approximately 260 mm2/s at 50 degrees C for a 50 wt% aqueous solution (product-range guide)
Density: Approximately 1.09 g/cm3 at 70 degrees C for the polymer material (historical family bulletin); powder bulk density approximately 0.6 kg/L (not the same property)

COMMON PRODUCT AND CHEMICAL NAMES

PLURIOL E 9000
PLURIOL E 9000 Powder (documented powder presentation)
Polyethylene glycol 9000
PEG 9000
Polyethylene glycol, average molar mass approximately 9,000
Poly(ethylene glycol)
Polyoxyethylene glycol
Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy
Macrogol (general polyethylene glycol nomenclature; not a grade-approval statement)
Hydroxyl-terminated poly(ethylene oxide)

The general family names identify the PEG chemical backbone, whereas the number 9000 denotes an average molecular-mass class. Powder and flake are physical presentations rather than different chemical synonyms; the exact supplied form should be confirmed when placing an order.

WHAT IS PLURIOL E 9000?

PLURIOL E 9000 is a solid polyethylene glycol intended for chemical and allied-industry applications where a water-soluble polymer is needed. The commonly documented PLURIOL E 9000 Powder form has the historical commercial product reference 30044094 and is described in published product-family literature as a powder at approximately 23 degrees C. A distinct product listing may describe a flake variant, but a flake is not automatically interchangeable with the powder for bulk handling, particle-size, dosing, or dissolution requirements.

Polyethylene glycol is often classified as a polyether diol because its principal linear chains contain repeating ethylene oxide units and terminal hydroxyl groups. Its nonionic character means that the polymer itself does not carry the fixed negatively or positively charged headgroups typical of conventional ionic surfactants. A PEG can assist wettability and processing in a formulation without becoming equivalent to an anionic detergent or a specially engineered dispersant.

The grade name communicates a nominal average molar mass of about 9,000 g/mol. Commercial PEG consists of a range of chain lengths, and manufacturers may characterize average molecular mass through hydroxyl-number measurements, among other controls. Consequently, quality documentation should state the relevant acceptance method and range rather than suggesting that every individual molecule has a molecular mass of exactly 9,000 g/mol.

The product differs materially from low-molecular-weight PEG 200, which is liquid at room temperature, and from polypropylene glycols that are generally more hydrophobic. It also differs from crosslinked hydrogel polymers and very-high-molecular-weight polyethylene oxide resins: common oxyethylene chemistry does not make their molecular architectures or end-use behavior identical.

Users often choose a solid PEG for the physical contribution it makes to a blend. In powder processing it may function as a soluble carrier or binder, while in a heat-processed system its reversible softening and resolidification can help form a cohesive phase. Those descriptions are functional possibilities, not promises of a specified bonding force or finished-product strength without formulation testing.

CAS NUMBER, EC / EINECS NUMBER AND CHEMICAL IDENTIFICATION

The polyethylene glycol registry number CAS 25322-68-3 and EC/List number 500-038-2 are widely associated with the hydroxyl-terminated PEG family. They do not uniquely define molar mass, molecular-weight distribution, shape, moisture content, particle size, or intended regulated use. The complete purchasing identity should therefore pair the chemical identifiers with the full trade grade, physical form, current technical documentation, and batch identification.

For polymeric materials it is normal to represent the chemical structure as HO-(CH2-CH2-O)n-H rather than assign the fixed formula of a low-molecular-weight molecule. The symbol n is a statistical degree of polymerization across the distribution of chains. A nominal 9,000 g/mol linear diol would contain roughly 204 ethylene oxide repeat units based on a 44.05 g/mol repeat unit and approximately 18.02 g/mol attributable to the terminal groups; that calculation is an illustrative chain length, not a certified monodisperse structure.

The grade's identity also should not be inferred solely from the term 'PEG 9000' on an unrelated seller's listing. Another supplier's PEG 9000 may have different water, color, acidity, hydroxyl-number, particle-size, residual-impurity, and packaging limits. These differences can matter even when the products share CAS and EC identifiers.

PLURIOL E 9000 should not be described as ethylene glycol, diethylene glycol, polyethylene terephthalate, polyethylene, or a PEG/PPG block copolymer. The fact that all of those names contain 'ethylene' or 'glycol' does not mean the materials have the same structure, risk profile, or technical role.

CHEMICAL STRUCTURE AND MOLECULAR CHARACTERISTICS

The backbone of linear polyethylene glycol consists of the repeat sequence -CH2-CH2-O-. Ether oxygen atoms distributed along the chain accept hydrogen bonds from water, and hydroxyl end groups can contribute further hydrogen-bonding interactions. Together these features account for the hydrophilic behavior of the PEG E grades and their miscibility with several other polar or PEG-compatible ingredients.

Average chain length influences crystallization, melting range, dissolution kinetics, and the viscosity of both concentrated aqueous solutions and molten polymer. PLURIOL E 9000 is solid at normal room temperature because long chains can pack and form crystalline regions, despite the chain's strongly water-attracting ether oxygen atoms. A 'clear melting point' describes the transition to a clear melt under a specified measurement approach, not the onset of all softening in every production setting.

PEG typically has two terminal hydroxyl groups per linear chain. An ideal difunctional polymer with a number-average molecular mass of 9,000 g/mol would have a theoretical hydroxyl number of approximately 12.5 mg KOH/g, calculated using 112,200 divided by the nominal molecular weight. This estimate illustrates the relationship between end-group concentration and chain length; it must not replace an actual hydroxyl-number specification or an analytical COA value.

The polymer does not require ionic dissociation to dissolve. Hydration of oxyethylene segments enables individual chains to interact with the aqueous phase, while viscosity can rise strongly as concentration, chain overlap, and chain entanglement increase. Those effects depend on the full blend, including temperature, molecular-weight distribution, dissolved electrolytes, surfactants, and processing shear.

Under suitable chemical processing, the hydroxyl end groups can take part in derivatization reactions, for example in routes to selected polyurethane or polyester structures and other functional polymer materials. Such use requires a defined chemical design and process controls; PLURIOL E 9000 by itself is not a complete crosslinking system or a universally compatible resin modifier.

High average molecular weight should not be confused with high surfactancy. PEG E 9000 is mainly hydrophilic and lacks the purpose-designed long hydrophobic block of a detergent-active amphiphile. Its strongest general functions in formulation are therefore more likely to involve carrier, binding, solubility, moisture interaction, rheology, lubrication, or process assistance.

PHYSICAL AND CHEMICAL PROPERTIES

Chemical family: Nonionic, hydroxyl-terminated polyethylene glycol (polyether diol).
Commercial grade: PLURIOL E 9000, notably PLURIOL E 9000 Powder, a solid PEG powder grade.
Physical state at approximately 23 degrees C: Solid.
Appearance: White to slightly yellowish powder or micronized granules in the older PLURIOL E family documentation; current lot appearance should be checked against the applicable specification.
Powder-particle size, historical family description: Predominantly 0.2-1 mm for the manufacturer's designated powder forms, not a current guaranteed particle-size range for every lot.
Average molar mass: Approximately 9,000 g/mol, calculated in the historical family bulletin from hydroxyl number according to DIN 53240.
Representative solution pH: Approximately 7 for 5 wt% in water at 23 degrees C, EN 1262 in the historical family bulletin.
Representative material density: Approximately 1.09 g/cm3 at 70 degrees C, DIN 51757, historical family bulletin.
Representative powder bulk density: Approximately 0.6 kg/L by ISO 697, historical family bulletin; may vary with handling and packing.
Representative clear melting point: Approximately 65 degrees C, historical family bulletin.
Representative melt kinematic viscosity: Approximately 900 mm2/s at 99 degrees C by DIN 51562, historical family bulletin.
Representative aqueous-solution kinematic viscosity: Approximately 260 mm2/s at 50 degrees C for a 50 wt% aqueous solution, later industrial product-range guide.
Dynamic viscosity: Not independently established here for a particular melt or aqueous composition; do not relabel kinematic mm2/s as dynamic mPa.s.
Representative water content: Less than 0.5 wt% in the historical PLURIOL E family bulletin (EN 13267); confirm whether this historical figure matches the current supply specification.
Representative ash content: Approximately 0.05 wt% in the historical family bulletin (DIN 51575).
Representative flash point: Above 300 degrees C, ISO 2592, historical family bulletin; this does not mean finely divided organic powder cannot burn.
Water solubility: Readily soluble as part of the PLURIOL E polyethylene glycol family; solution concentration, temperature, and time affect practical dissolution behavior.
Solubility in other media: Reported family-level solubility in many aromatic solvents; limited in aliphatic hydrocarbons and petroleum fractions; polar-solvent compatibility is concentration and chain-length dependent.
Vapor pressure: No verified specific numerical value for this exact grade in the consulted PLURIOL E 9000 documents.
Boiling point: No conventional, narrowly defined boiling value established for this polydisperse solid polymer.
Odor: Not established as a controlled grade-specific numerical characteristic.
Shelf life: A February 2014 PEG family document states at least two years in the properly stored original sealed packaging; this is a historical family statement, not a guarantee of a presently supplied lot.

The historical 2014 technical bulletin explains that its values were correct at publication and not necessarily part of the product specification. Density of actual polymer material is different from bulk density of a container of powder because the latter incorporates spaces between particles. A tonne or volume calculation for powder storage should be based on the relevant handling density, not the molten polymer density.

The two published viscosity figures illustrate an especially important distinction. Approximately 900 mm2/s at 99 degrees C describes molten PLURIOL E 9000, whereas approximately 260 mm2/s at 50 degrees C describes a 50% aqueous solution; they differ in material composition as well as temperature. It would be incorrect to conclude that the neat melt becomes less viscous when cooled to 50 degrees C on the basis of these two unrelated testing conditions.

If a process requires viscosity at another temperature or concentration, a site-specific rheology test is more useful than extrapolating from these figures. Additionally, the mass-basis of an aqueous solution must be specified before comparing it with data expressed on a volume basis or with measurements for another PEG grade.

HOW DOES PLURIOL E 9000 WORK AT THE MOLECULAR LEVEL?

Water interaction begins at the oxyethylene-rich polymer surface. As water wets the solid powder, some polymer chains hydrate, and the dissolved segments move into the surrounding liquid; the rate of this process is affected by particle dimensions, agitation, temperature, electrolyte content, and concentration. Complete dissolution should be established through observation and analytical testing for the formulated system, rather than assumed from a general statement that PEG is water-soluble.

In concentrated solution, polymer chains can interact or overlap, increasing resistance to flow. Because PEG is nonionic, the rheology cannot be reduced to changes in electrical double-layer thickness as would be appropriate for certain charged polyelectrolytes. A change in salt content can still alter solvent quality or the behavior of other ingredients, so the nonionic character does not imply absolute immunity to every electrolyte effect.

When PEG 9000 is distributed among solid particles, it may form cohesive contacts or act as a binder after an appropriate process. If molten polymer wets a compatible particulate surface and later cools, its resolidification can contribute to the mechanical integrity of a granule or molded article. Actual bond formation depends on the powders involved, the interfacial wetting behavior, the amount of PEG, the cooling profile, and applied stress.

PEG also can affect processing lubricity and friction between suitably compatible surfaces. It may act as a removable phase in a process because it is water-soluble, which can be useful when a temporary carrier or processing additive is required. Whether the formulation remains dimensionally stable when exposed to humidity must be tested; a water-soluble binder will not automatically provide outstanding wet resistance.

The terminal hydroxyl groups provide possible reactive handles for industrial synthesis, while the polymer's chain length allows it to contribute a substantial hydrophilic segment. In such applications, molecular-mass control, hydroxyl functionality, and residual moisture become relevant to reaction stoichiometry and product consistency, but chemical synthesis parameters require their own validated process documents.

WHICH INDUSTRIES USE PLURIOL E 9000?

Polyethylene glycols are used in detergents and cleaners, industrial formulation technologies, polymers, and manufacturing aids. For the PLURIOL E family, producer documentation identifies such broad functions as solubilizing, binding, moisture retention, lubrication, dispersion assistance, consistency modification, and use as a chemical intermediate. Application examples below indicate technically credible uses of PEG chemistry or the PLURIOL E family; they are not evidence that every finished application has been separately validated for the exact E 9000 powder grade.

In household and industrial cleaning, solid PEGs are candidates for carriers, binders, tablet or granule processing aids, and conditioning ingredients where controlled water solubility is useful. In surface-treatment and polish formulations, PEG chemistry can contribute a water-compatible processing medium or aid the production of filled pastes. In industrial polymer chemistry, hydroxyl-terminated PEG can serve as a feedstock where hydrophilic flexible segments are desired.

The grade's suitability in adhesives, coatings, ceramics, technical blends, or specialty applications must be judged against the target formulation. It would be inaccurate to describe PLURIOL E 9000 as an approved pharmaceutical excipient, food ingredient, cosmetic raw material, or food-contact additive without confirming the exact product's regulatory status and specifications.

PLURIOL E 9000 IN SOLID DETERGENTS AND CLEANING PRODUCTS

One principal use of higher-molecular-weight PEGs is to contribute structure or processability to solid detergent and cleaning formulations. In a compacted, molded, or agglomerated composition, a water-soluble binder can help associate particulate ingredients while allowing the binder phase eventually to dissolve when the product enters water. Whether PEG 9000 supplies adequate green strength or final mechanical strength depends on the rest of the formulation; it is not a stand-alone guarantee of tablet hardness.

The melting and resolidification characteristics of this solid PEG may be relevant to manufacturing approaches that rely on a thermally softened binder. Its water affinity and bulk-powder form can also make it a potential carrier in appropriately designed solid blends. These are formulation-development directions rather than validated recipes: ingredient ratios, heating methods, and final dimensions must be tested and should not be invented from generic PEG data.

The final cleaning performance remains primarily dependent on surfactants, builders, alkalinity, enzymes, oxidants, and other performance ingredients when present. PEG 9000 is not automatically a soil-removing surfactant, an enzyme stabilizer, or a disinfectant. In particular, an industrial cleaning binder should not be presented as imparting antimicrobial efficacy in the absence of independent evidence.

Formulators should evaluate dissolution time, residue after use, tablet friability, storage deformation, moisture pickup, powder flow, and compatibility with fragrance or other hydrophobic ingredients. PEG's affinity for water can be desirable in a fast-dissolving product but may also create packaging or humidity-management challenges. A product designed for repeated humidity exposure needs a specific stability assessment.

PLURIOL E 9000 AS A WATER-SOLUBLE BINDER AND CARRIER

The high-molecular-weight PEG matrix can be considered for binding soluble or insoluble constituents where it interacts adequately with the selected particles. Compared with a small liquid glycol, a solid grade can contribute to a free-standing or shape-retaining phase at ordinary room temperature. However, replacing another binder on an equal-weight basis is not necessarily possible because binding efficiency, water dissolution, and thermal behavior differ.

In carriers for powdered ingredients, important questions include whether the PEG is intended to coat particles, distribute a compatible liquid, or hold a composite together after shaping. Different objectives require different measurements. Powder particle-size distribution, wettability, segregation, dust generation, and the effect of granulation on uniformity are all relevant, particularly when small active-ingredient doses need consistent distribution.

The historical producer's compatibility discussion indicates that PEGs can form homogeneous combinations with numerous hydrophilic materials and assist dispersion of suitably wetted solids, pigments, abrasives, and other particulate ingredients in pasty systems. This does not imply universal miscibility with nonpolar oils or waxes. For systems containing both PEG and strongly hydrophobic ingredients, potential phase separation, coating defects, or stability changes should be considered during trials.

A water-soluble polymer may be intentionally employed where later removal by water is part of the process. In that situation, the quality objective is not necessarily permanent adhesion but repeatable dissolution and minimal unwanted residue. The specified PEG molar mass and its distribution can affect removal time and should be controlled across batches.

PLURIOL E 9000 IN INDUSTRIAL FORMULATION AND PROCESSING AIDS

PEG 9000 can be assessed as an auxiliary in industrial systems requiring a water-compatible solid polymer. Producer literature for the broader PLURIOL E portfolio refers to uses as lubricants, mould-release agents, consistency modifiers, and intermediate materials. The specific grade is a candidate when its melting interval and resulting polymer-solution viscosity match the processing requirements.

In solid-filled processing, a PEG binder or medium may help maintain homogeneous distribution of a particulate material, provided the wetting, viscosity, and proportion of components are appropriate. A uniform paste or composite cannot be inferred from the PEG grade alone: loading level, filler surface chemistry, shear regime, solvent composition, and mixing equipment are decisive.

For thermal processing, PEG 9000 has a much higher melt viscosity than several lower-molecular-mass grades. A viscosity that improves a cohesive blend can create difficulty for pumping, transfer, or mixing in other processes. Designers should distinguish a molten-binder operation from a process that introduces a cold, dry powder or first dissolves the polymer in water.

Because it is a polymeric diol, E 9000 may be considered a hydrophilic building block for formulated resins or chemical intermediates. Reaction compatibility and product specifications must be verified with the particular reagents. The presence of two nominal hydroxyl end groups does not by itself determine the final chemical functionality after any subsequent synthesis.

PLURIOL E 9000 IN COATINGS, PIGMENT SYSTEMS, AND SURFACE TREATMENTS

Higher-molecular-weight PEGs can help modify the wet processing or physical characteristics of selected coating, polish, and pigment-bearing systems. In water-compatible systems, PEG may serve as a soluble binder phase, temporary processing additive, or viscosity contributor. The producer's PEG-family technical literature specifically discusses pasty mixtures with properly wetted pigments, abrasives, and solid lubricants.

These possibilities should not be generalized to every paint or coating. Water solubility can be undesirable in permanent outdoor coatings where low water sensitivity is required. Additionally, PEG 9000 is not a substitute for a purpose-built dispersant, acrylic binder, urethane film former, or surfactant unless trials show the necessary performance characteristics.

Compatibility with anionic, cationic, or nonionic ingredients may be favorable in many systems but can depend strongly on the actual formulation. Interactions with phenolic hydroxyl-containing substances have been identified in the PEG family technical information as capable of producing poorly soluble addition products under some circumstances. Stability evaluations should therefore include the complete mixture rather than merely a check that isolated ingredients dissolve in water.

For coatings and surface-treatment development, relevant data include solution viscosity over the expected temperature range, dispersibility of added solids, storage stability, drying or film formation, water resistance, and final surface properties. Where permanent moisture resistance matters, PEG's water affinity is an important design limitation.

PLURIOL E 9000 AS A POLYMER SYNTHESIS INTERMEDIATE

The hydroxyl-terminated structure provides a way to incorporate a hydrophilic PEG segment into selected downstream polymers. Producer information for the PLURIOL E family identifies potential use in the manufacture of polyesters, polyurethanes, and other industrial intermediates. This is a class-level capability, and the exact synthetic route must be evaluated separately for its reagents, stoichiometry, equipment, and workplace hazards.

For this use, the average molar mass and hydroxyl number become linked specifications. A nominal 9,000 g/mol diol contributes relatively few terminal hydroxyl groups per unit mass compared with PEG 1,000, so equal-weight substitution can significantly change reagent balance. Reaction calculations should use measured batch data and the actual number-average molar mass where available, not simply the trade-name number.

Moisture must also be considered, particularly in moisture-sensitive reactions. Although a historical family bulletin reports water content below 0.5%, this figure may not be tight enough for every synthetic process. Purchasers requiring low residual water, narrow molecular-mass distribution, or specific impurity limits should request the relevant current specification and, where necessary, additional analytical controls.

PEG incorporation may impart hydrophilic character, flexibility, or altered compatibility to a downstream structure, but the direction and magnitude of those changes depend on the full polymer design. No universal improvement in adhesion, hydrolytic stability, biocompatibility, or mechanical strength can be inferred from the use of PEG 9000 alone.

WATER SOLUBILITY AND AQUEOUS FORMULATION BEHAVIOR

The PLURIOL E family is described by its producer as readily water-soluble, although increasing molecular mass can reduce solubility to some extent and change the rate at which a solid dissolves. The water hardness tolerance discussed in the historical family document is useful general information; it does not remove the need to examine the combined formulation when other ingredients are sensitive to calcium or magnesium.

Aqueous PEG solutions can become substantially more viscous as dissolved polymer concentration increases. Near high solids concentrations, the processing behavior depends heavily on temperature and mixing conditions, and equilibrium clarity may not be achieved as quickly as in dilute solutions. A process that uses PEG 9000 at elevated temperature must assess possible concentration changes from evaporative water loss.

The industrial guide's 50 wt% aqueous viscosity figure is therefore useful only when its composition and temperature match the process closely enough. It must not be compared directly with neat-melt viscosity, a 5% aqueous pH test, or data generated with PEG 8000. For critical applications, measure viscosity in the complete formula after an appropriate equilibration interval.

PEG 9000 is generally unsuitable as a primary solvent for strongly hydrophobic oils in the same sense as an organic solvent. The family literature describes limited miscibility with predominantly hydrophobic fats, hydrocarbons, petroleum fractions, and many waxes. Systems combining PEG and nonpolar materials may require their own solubilization or emulsification strategy and should be checked for separation during storage.

COMPATIBILITY WITH SURFACTANTS, ELECTROLYTES, AND OTHER INGREDIENTS

Producer documentation for the PLURIOL E grades describes general compatibility with many nonionic surfactants and varying degrees of compatibility with hydrophilic polymers, dyes, pigments, anionic and cationic surfactants, and binders. Such statements are a useful starting point for screening, not a guarantee for every ingredient pair and concentration.

Because the PEG backbone is nonionic, it does not have the same direct ionic interaction pattern as a quaternary ammonium compound or an anionic polyelectrolyte. Nevertheless, it can participate in hydrogen bonding, influence water activity, affect viscosity, or modify the behavior of another surfactant. Clouding, phase separation, gel formation, precipitation, and appearance changes should be assessed using the finished formulation.

The historical family data indicate resistance to moderately strong acids, alkalis, and salt solutions. The phrase does not mean resistance to unlimited pH, every oxidant, all temperatures, or prolonged exposure without degradation. Strong oxidizing agents and incompatible reactive chemicals should be evaluated through the applicable SDS and laboratory compatibility tests.

When compatibility is particularly important, useful observations include clarity, sedimentation, phase stability, viscosity drift, pH drift, color changes, and results after temperature cycling. The tests should represent the actual packaging and storage environment as closely as practical.

POWDER HANDLING, DISSOLUTION, AND THERMAL PROCESSING

The documented powder presentation is a physical feature of PLURIOL E 9000 that matters operationally. The historical family bulletin characterizes powder products as white to slightly yellowish micronized granules predominantly around 0.2-1 mm, but this figure should not be interpreted as a present-day sieve-analysis guarantee. The presence of finer fractions may affect airborne dust, segregation, transfer behavior, and handling controls.

In aqueous processing, the operator should consider the tendency of dry powder to form wetted agglomerates, the viscosity of the developing solution, and the sensitivity of other ingredients to mixing conditions. The practical goal is to obtain uniform incorporation without local over-concentration or preventable dust dispersion. A validated addition method, suitable equipment, and appropriate dust controls should be determined for the manufacturing site rather than copied as a universal recipe.

In melt processing, the historical clear-melting point is approximately 65 degrees C; the polymer may begin softening over a range rather than abruptly converting from hard solid to free-flowing liquid. A historical PEG-family document warns against excessive heating and recommends minimizing oxygen exposure in heated storage. It also describes nitrogen blanketing for certain heated-tank conditions; this is a process-specific recommendation and does not mean that ordinary sealed ambient powder bags need a continuous nitrogen purge.

The same historical technical guidance recommends dry storage below 30 degrees C for powder and flakes, protected from sunlight to reduce lump formation. Bulk bags should not be stacked where compression could cause caking. If a site uses a process outside those historical conditions, the current grade-specific manufacturer instructions and applicable risk assessment should govern.

WHAT PROBLEMS CAN PLURIOL E 9000 HELP ADDRESS?

A technical formulation may need a binder that is solid during storage yet dissolves in water at the point of use. In a suitable system, PLURIOL E 9000 can be investigated for this balance because it combines a room-temperature solid phase with a hydrophilic PEG backbone. The success criterion is a measured combination of cohesion, dissolution, and final composition performance rather than the presence of PEG itself.

A manufacturer may also need a powder-compatible auxiliary instead of a low-molecular-mass liquid PEG that could complicate dry-blend handling. A high-molecular-weight powder can be easier to incorporate into certain solid manufacturing routes, but it may require improved dust containment or longer dissolution time. These are practical trade-offs rather than unconditional advantages.

In pigment- or abrasive-filled systems, hydrophilic PEG can be evaluated as a medium for creating a homogeneous paste when the solids are adequately wetted. Conversely, when water resistance or very low viscosity is the objective, a lower-molecular-mass PEG or a different material class may be preferable. No single PEG grade is suitable for every formulation.

Where a temporary water-removable binder is useful, PEG 9000 may provide an option worth testing. Where long-term structural integrity in a damp environment is essential, the same solubility can be a disadvantage. Defining the problem correctly prevents a misleading claim that PEG's water solubility is always desirable.

IMPORTANT CONSIDERATIONS WHEN USING PLURIOL E 9000

The first key consideration is grade identity. PLURIOL E 9000 Powder is not the same delivered material as a PEG 9000 flake or a lower-molecular-mass PEG 8000 prill, even when the repeat-unit chemistry is similar. Form differences can change material feeding, dissolution time, bulk density, and transport packaging requirements.

The second is test-method specificity. Viscosity, water content, density, and pH must be paired with temperature, material state, concentration, and method. Statements such as 'viscosity 260' or 'density 0.6' without units and sample conditions invite error. The manufacturer's archived technical figures are useful reference points, but an up-to-date specification takes precedence for contractual acceptance.

The third is product performance in contact with water. PEG 9000 is hygroscopic and water-soluble, so moisture uptake and premature agglomeration can affect handling and product stability. Waterproof packaging, dryness, the expected climate, and the blend's water-sensitive ingredients all matter.

The fourth is intended regulation. A generic PEG chemical identifier, INCI-family name, or European food-additive number does not certify PLURIOL E 9000 Powder as a particular cosmetic, pharmaceutical, food, feed, or medical-device grade. Such end uses need a documented regulatory suitability assessment for the exact material and jurisdiction.

The fifth is occupational safety. PEG is often treated as relatively low hazard in appropriate use, but powder can create nuisance dust, hot melt can burn skin, water-contaminated spills can create slippery floors, and combustible organic particulates should not automatically be assumed incapable of ignition. Consult a current region-specific SDS for classification, firefighting, PPE, and transport requirements.

STARTING FORMULATION APPROACHES AND VALIDATION

A defensible development program starts by stating the required function: binder, carrier, thickener, lubricant, soluble processing aid, or reactive precursor. The formulation should then be screened with a measured quantity of the intended grade under controlled conditions relevant to the final process. No universal formulation percentage can be specified from the published producer family literature alone.

For a water-based test, relevant variables include polymer concentration by mass, water quality, processing temperature, shear history, dissolution time, and the order in which other ingredients are introduced. Record clarity, apparent dissolution, viscosity at relevant temperatures, reappearance of solids after cooling, and time-dependent changes. For a solid binder application, add tests for friability, moisture response, dimensional stability, and the rate of disintegration or removal in use.

For a melt-associated binder, check the temperature needed to achieve a workable phase, wetting of the selected solids, appearance after cooling, hardness or cohesion, and unwanted agglomeration or stickiness. These observations must be obtained under site-approved temperature and dust controls; a generic brochure is not enough to specify operating sequences or processing dwell times.

A technical trial should document all inputs and measurement methods so that meaningful comparisons can be made between PLURIOL E 9000, PEG 8000, PEG 6000, and non-PEG options. An apparent improvement caused by a different particle size or water content should not be incorrectly attributed solely to nominal polymer molecular weight.

SIMILAR PRODUCTS AND ALTERNATIVES

Lower-molecular-weight PEGs such as PEG 4000, PEG 6000, and PEG 8000 share the same basic oxyethylene backbone but usually differ in solidification behavior, melt rheology, solution viscosity, and processing response. The historical family bulletin gives approximate clear melting points of 55 degrees C for PEG 4000, 60 degrees C for PEG 6000, 63 degrees C for PEG 8000, and 65 degrees C for PEG 9000. These typical figures show a trend but do not define guaranteed melting limits across commercial brands.

The same bulletin reports approximate molten kinematic viscosities at 99 degrees C of 120, 350, 600, and 900 mm2/s respectively for its PEG 4000, PEG 6000, PEG 8000, and PEG 9000 entries. It would be incorrect to extrapolate these neat-melt differences directly to a fixed-percentage aqueous system without measurement. Higher molecular mass often increases solution body at a comparable concentration, but exact rheology depends on the distribution and formulation.

PEG 9000 in flake form could be chemically similar to the powder grade while differing significantly in particle size, dustiness, flowability, dissolution time, and how it is metered. It should not be called equivalent for production equipment without trials and confirmation of the exact product specification.

Other binder candidates include modified celluloses, polyvinyl alcohol, water-soluble acrylic polymers, starch derivatives, and other polyethylene glycol grades. Each brings a different combination of film strength, moisture response, water solubility, processing temperature, ionic compatibility, and regulatory profile. Wax-like hydrophobic binders may offer more water resistance but are not automatically water-removable substitutes for PEG.

For polymer synthesis, another polyether diol may supply an appropriate hydroxyl functionality while differing in hydrophilicity or backbone chemistry. PEG and polypropylene glycol are not functionally identical, and changing from one to the other can strongly alter product compatibility. Every proposed substitution should be supported by targeted performance and quality-control data.

REGULATED APPLICATIONS AND GRADE DISTINCTIONS

The polymer family called polyethylene glycol appears in several regulated fields, but the legal identity of a permitted substance and the quality status of a commercial grade are different questions. Cosmetic PEG nomenclature, a CAS listing, or a generic safety dossier does not by itself establish that an industrial grade meets impurity limits, traceability expectations, or intended-use requirements.

In European food-additive legislation, E 1521 refers to polyethylene glycol and includes specifications that define average molecular weights over a stated range. This is not blanket permission for PEG addition to any food, and it does not identify the technical PLURIOL E 9000 powder as food grade. The currently applicable permitted food categories, maximum levels, exact molecular-weight specification, and all impurity limits must be checked for the relevant market and use.

A nuance is that European food-additive specifications reference certain individual PEG grades, including PEG 8000, with specific assay and identification limits, even while defining the family by an average molecular-weight range that can reach 9,000 Da. This is not evidence that the product marketed as PLURIOL E 9000 automatically meets the specifications or is approved for an individual end use. The material's precise designation, regulatory conformity, and supplier declarations remain necessary.

Pharmaceutical uses require an excipient grade supported by relevant pharmacopoeial and manufacturing documentation. A historical chemistry brochure cannot substitute for pharmacopoeial compliance, impurity controls, or appropriate quality systems. The same principle applies to medicinal preparations, medical devices, food-contact materials, and feed applications.

For cosmetics, the correct ingredient identity, impurities, safety assessment, and applicable market rules must be reviewed. Polyethylene glycol chemistry can be useful in personal-care formulation, but a particular industrial powder grade should not be described as cosmetic-approved based only on shared polymer identity. No certification or application approval for PLURIOL E 9000 is presumed in this profile.

INITIAL FORMULATION APPROACHES FOR PLURIOL E 9000

The following examples illustrate how PLURIOL E 9000 may be evaluated in formulation and processing studies. PLURIOL E 9000 belongs to the polyethylene glycol (PEG) family and has a nominal average molecular weight of approximately 9,000 g/mol. BASF technical product information lists a PLURIOL E 9000 Powder form, with a typical melting point of approximately 65 °C. The functions that can be investigated for PLURIOL E 9000 include water-soluble binding, film-property modification, lubrication and control of consistency in selected industrial formulations.

These examples are preliminary laboratory approaches, not validated commercial formulas, production instructions, guaranteed specifications or final products certified for regulatory compliance. Unless stated otherwise, percentages are by weight (% w/w). The exact supplied PLURIOL E 9000 grade and physical form must be confirmed before testing. Particle size, molecular-weight distribution, raw-material quality, water content, processing energy and storage conditions may materially affect results. Consult the current technical data sheet and safety data sheet for the actual grade.

PLURIOL E 9000 can be incorporated into aqueous systems, but dissolution and viscosity behavior should be tested because higher-molecular-weight polyethylene glycols may require more time or different mixing conditions than liquid PEG grades. PLURIOL E 9000 is not a primary surfactant or a universal dispersant. Each example below varies the PLURIOL E 9000 level while keeping other ingredients and operating variables constant, with a no-additive control where practical.

EXAMPLE 1: PLURIOL E 9000 BINDER SCREENING IN GRANULAR LAUNDRY DETERGENT

Objective: Determine the influence of PLURIOL E 9000 on granule cohesion, attrition resistance, dust formation, flowability and dissolution in an experimental granular laundry detergent.

Initial screening composition (target dried granule composition, % w/w):

PLURIOL E 9000: approximately 0.50%, 1.50% and 3.00% in separate trials, calculated on the final dry granules.

Sodium carbonate: approximately 25.00%, held constant.

Trisodium citrate dihydrate: approximately 15.00%, held constant.

Zeolite 4A: approximately 20.00%, held constant.

Sodium bicarbonate: approximately 5.00%, held constant.

Compatible low-foaming nonionic surfactant powder or granule preparation: approximately 3.00% as supplied, held constant.

Anhydrous sodium sulfate: quantity sufficient to 100%, compensating for changes in PLURIOL E 9000 content.

Granulation water: demineralized water introduced for binder preparation and removed during drying to a comparable residual moisture level.

Mixing speed, binder-addition rate, granulation duration, drying method and screening sieve settings: held constant.

These levels are comparison points, not a validated laundry detergent recipe. If PLURIOL E 9000 is applied as an aqueous binder solution, the solution quantity must be calculated from its actual polymer solids concentration. The effect of PLURIOL E 9000 on cleaning efficiency must be established separately.

Application approach:

1. Weigh the sodium carbonate, citrate, zeolite, bicarbonate, granular surfactant and adjusted sodium sulfate quantity for each trial.

2. Dissolve a measured amount of PLURIOL E 9000 in demineralized water with controlled stirring and moderate heating if needed, ensuring a uniform binder solution.

3. Premix the dry ingredients in a laboratory granulator under identical settings.

4. Introduce the calculated amount of PLURIOL E 9000 binder solution at a fixed addition rate, monitoring granule growth and excessive wetting.

5. Dry each granule batch to a comparable residual moisture level, allow it to cool and sieve under the same conditions.

6. Measure particle-size distribution, bulk density, flowability, granule hardness, dust release and caking after controlled storage.

7. Compare dissolution and visible residue when equal quantities of each PLURIOL E 9000 granule sample are added to standardized wash water.

8. Select the PLURIOL E 9000 level that provides adequate granule durability without excessive agglomeration or slow dissolution, and verify its performance against a no-binder control.

Use dust control, eye protection and suitable gloves for powdered alkaline materials. Heated polymer solutions can cause burns, and spills may create slippery surfaces. Confirm moisture-resistant packaging, detergent labeling, wastewater handling and relevant regulatory obligations before scale-up.

EXAMPLE 2: PLURIOL E 9000 FILM-PROPERTY SCREENING IN A WATER-BASED PAPER COATING

Objective: Examine how PLURIOL E 9000 affects coating viscosity, film flexibility, surface tack, drying and water sensitivity in a model aqueous paper-coating composition containing polyvinyl alcohol (PVA) and a mineral pigment.

Initial screening composition (finished laboratory coating slurry, % w/w):

PLURIOL E 9000: approximately 0.50%, 1.50% and 3.00% in separate trials.

Water-soluble polyvinyl alcohol (PVA), appropriate grade: approximately 4.00%, held constant.

Kaolin pigment: approximately 15.00%, held constant.

Sodium polyacrylate dispersant solution, suitable grade: approximately 0.50% as supplied, held constant.

Suitable aqueous defoamer: approximately 0.20% as supplied, held constant.

Demineralized water: quantity sufficient to 100%.

Target substrate, coating thickness, drying temperature, applied wet-film mass and conditioning humidity: held constant.

These compositions are examples for laboratory film evaluation, not a ready-to-market paper coating. PLURIOL E 9000 may soften or modify the PVA-containing film but could also affect tack, blocking and drying. Its contribution must be determined experimentally, not assumed from its polyethylene glycol identity.

Application approach:

1. Charge a jacketed mixing vessel with most of the demineralized water and start controlled agitation.

2. Prepare the PVA solution using the polymer supplier's recommended hydration and heating procedure.

3. Dissolve the selected amount of PLURIOL E 9000 separately in a small portion of water and add it to the PVA solution.

4. Disperse kaolin with the fixed sodium polyacrylate amount under suitable shear, then combine the pigment dispersion with the polymer phase.

5. Add the fixed defoamer quantity, adjust with water to 100% and mix until uniform.

6. Measure coating-slurry viscosity, pH, visible dispersion quality, foam and stability after cooling.

7. Apply identical wet-film masses to standardized paper samples and compare dry-film appearance, cracks, flexibility, rub resistance, tack, blocking and water sensitivity.

8. Select the PLURIOL E 9000 level that delivers the desired coating and handling properties without excessive tackiness or loss of film integrity.

Hot liquids and high-speed dispersers require appropriate safeguards and protective equipment. Control kaolin dust, provide ventilation and check coating-component compatibility, paper recyclability considerations, wastewater discharge and intended-use regulations before industrial application.

EXAMPLE 3: PLURIOL E 9000 GREEN-BINDER SCREENING IN A CERAMIC SLURRY

Objective: Assess whether PLURIOL E 9000 helps control the handling strength, drying behavior and cracking of unfired ceramic specimens in a laboratory water-based ceramic slurry.

Initial dry ceramic reference composition (parts by weight of ceramic solids):

Alumina powder: approximately 70.0 parts.

Kaolin: approximately 20.0 parts.

Silica powder: approximately 10.0 parts.

Total reference ceramic solids: 100.0 parts.

PLURIOL E 9000: approximately 0.25%, 0.75% and 1.50% relative to the 100-part dry ceramic solid mass in separate trials, added outside the reference ceramic composition.

Sodium polyacrylate dispersant: approximately 0.30% active substance relative to dry ceramic solids, held constant.

Demineralized water: initially approximately 35 parts per 100 parts of reference ceramic solids, held constant for the first trial comparison.

Powder grade, mixing time, agitation energy, casting geometry, drying conditions and sample size: held constant.

This is an illustrative ceramic-processing study, not a qualified technical ceramic body or firing schedule. PLURIOL E 9000 is screened as a temporary organic binder and processing modifier. Its influence on slurry viscosity, green strength and subsequent organic removal must be verified by laboratory analysis.

Application approach:

1. Weigh the alumina, kaolin and silica in the same 70:20:10 dry-solids ratio for all experiments.

2. Prepare the aqueous phase with the selected dispersant and a PLURIOL E 9000 amount calculated relative to the reference dry ceramic solids.

3. Dissolve or uniformly disperse PLURIOL E 9000 under controlled stirring before introducing the ceramic powders.

4. Add the ceramic powders gradually with suitable dust capture and mix to a consistent slurry under fixed processing conditions.

5. Measure initial viscosity, pH, density, homogeneity and signs of settling or agglomeration.

6. Cast equivalent green specimens and dry them using the same controlled schedule.

7. Compare green strength, handling damage, mass loss, drying shrinkage, visible cracks and deformation; assess the potential for residues during any separately controlled thermal treatment.

8. Select the PLURIOL E 9000 level that improves green-body handling without unacceptable drying defects or processing instability, then review compatibility with the intended ceramic process.

Fine ceramic powders can be inhalation hazards, and dry silica-containing dust requires appropriate exposure controls. Use local exhaust ventilation, respiratory protection where required, eye protection and guarded mixing equipment. Any evaluation of polymer burnout or firing must be carried out only under qualified thermal-process controls and ventilation.

QUALITY CONTROL AND PURCHASING CRITERIA

For PLURIOL E 9000, purchasing information should specify the full trade designation, powder or alternative physical form, product reference where applicable, required quantity, packaging, intended industrial use, and relevant technical acceptance parameters. The official product catalogue identifies CAS 25322-68-3 for the PEG family; the historical technical bulletin identifies 30044094 as the powder product reference. These identifiers help prevent confusion with a similarly named flake grade or a different molecular-weight class.

The technical data sheet (TDS) explains representative physical properties and intended functions. The safety data sheet (SDS) communicates classification and safe handling information for a specified region and revision date. A certificate of analysis (COA) records batch-specific test results against the applicable specification; a generic TDS cannot replace a lot-specific COA.

Quality properties especially relevant to E 9000 include average molar mass or hydroxyl number, water content, appearance or color, ash, particle-size profile where controlled, powder flow and caking behavior, and viscosity under defined conditions. Additional impurity tests can be appropriate for a higher-purity application, but limits should be obtained from the actual relevant product standard and supplier documentation rather than invented.

Water content may affect powder flow and chemically sensitive processes. Particle-size distribution can affect feeding and dissolution independently of molar mass. It is therefore important to compare material in the same physical form and with the same quality parameters when changing source or manufacturing site.

The historical producer guidance on shelf life describes a period of at least two years in closed original containers under appropriate storage conditions. This statement dates from the published family document and is not a substitute for the current expiry or retest date on an offered batch. Products stored improperly or repacked need their own condition assessment.

Requests for special qualifications, such as pharmaceutical, food, cosmetic, halal, kosher, or particular sustainability certifications, must be matched to the exact site, grade, document scope, validity period, and shipment conditions. Nothing in the general PEG chemical identity implies that a specific batch carries every such certificate.

FIRST AID

INHALATION
If PLURIOL E 9000 powder dust is inhaled and causes coughing or irritation, move the affected person into fresh air and avoid further exposure. Seek medical assessment if breathing difficulty develops, symptoms persist, or the exposure was substantial. A current grade-specific SDS should be followed for additional emergency instructions.

SKIN CONTACT
For skin contact with PLURIOL E 9000 powder, wash the affected area with water and mild soap, and remove contaminated clothing if necessary. If hot or molten PEG 9000 contacts the skin, cool the affected area with running water, do not forcibly remove adhered material, and obtain medical care for burns.

EYE CONTACT
If PLURIOL E 9000 dust reaches the eyes, rinse cautiously with clean running water for several minutes, keeping eyelids open and removing contact lenses if easily possible. Obtain medical advice if discomfort persists, and seek prompt professional evaluation after a significant eye exposure or any injury from hot molten polymer.

INGESTION
If PLURIOL E 9000 is swallowed, rinse the mouth and seek medical or poison-center advice if symptoms occur, a significant quantity is involved, or the person is unwell. Do not induce vomiting unless directed by a qualified medical professional; the industrial grade is not a food or medicinal product.

NOTE TO PHYSICIANS
For exposure to PLURIOL E 9000, management is generally symptom-directed and should reflect the nature of the contact, particularly possible eye irritation or thermal burns from molten material. The treating professional should be supplied with the current SDS and relevant exposure details.

FIRST-AID SCOPE
The recommendations above are general first-response guidance for solid polyethylene glycol and do not replace the safety instructions for the actual regional commercial grade. Product-specific hazard classification and medical management should be confirmed using an up-to-date SDS.

HANDLING AND STORAGE

HANDLING
Handle PLURIOL E 9000 powder so that dust is minimized and bags or containers are not damaged unnecessarily. Use suitable equipment for dry solids, keep work areas clean, and avoid conditions that cause repeated spills, buildup of fines, or unintended contamination.

ENGINEERING CONTROLS
Provide PLURIOL E 9000 powder processing stations with ventilation or appropriate dust capture wherever handling generates airborne particles. Equipment choice should reflect the amount of material transferred, the observed dustiness, and the facility's applicable occupational-exposure and combustible-dust risk assessment.

PERSONAL PROTECTION
Use protective eyewear, suitable gloves, and protective work clothing when handling PLURIOL E 9000, especially during powder transfer, cleanup, or processing. Eye and skin protection may need to be increased where concentrated hot solutions or molten PEG are present; select equipment in accordance with the current SDS.

RESPIRATORY PROTECTION
For PLURIOL E 9000 airborne dust, use engineering controls first and choose suitable particle-filter respiratory protection if a workplace assessment shows it is necessary. The correct type and fit depend on site regulations and actual exposures; there is no product-specific respirator rating established by the historical family TDS alone.

STORAGE
Store PLURIOL E 9000 powder in sealed original containers in a clean, dry, indoor area protected from moisture and unnecessary heat. The February 2014 family bulletin recommends powder and flakes be stored at temperatures not exceeding 30 degrees C and sheltered from sunlight to reduce lumping; check the current supplier instructions for the delivered grade.

MOISTURE CONTROL
Because PLURIOL E 9000 belongs to a hygroscopic PEG family, close opened containers promptly and avoid prolonged exposure to humid air. Moisture pickup can affect caking and dissolution as well as quality tests, so good housekeeping and packaging integrity matter throughout storage and production.

PACKAGING AND STACKING
Maintain PLURIOL E 9000 packaging in a condition that prevents tears, leaks, compression damage, and contamination. Historical family guidance cautions against stacking large flexible bulk bags because pressure may encourage agglomeration; follow the current supplier's packaging-specific stacking and pallet instructions.

MATERIAL COMPATIBILITY
For PLURIOL E 9000 handling, compatible tank and container materials should be selected with regard to temperature, water content, cleaning chemicals, and mechanical loads. The historical PLURIOL E bulletin identifies certain stainless steels as suitable for PEG-family tanks and drums, but equipment compatibility should be verified for each industrial process.

HEATED PROCESSING
Where PLURIOL E 9000 must be melted, use a properly engineered system with suitable temperature control and prevent local overheating or prolonged air exposure. Historical PEG-family guidance discusses controlled gentle heating and, for particular heated bulk storage conditions, nitrogen blanketing; these directions are not a substitute for a site-approved operating procedure.

SPILL PROCEDURES
Contain a PLURIOL E 9000 powder spill and collect it using a method that limits airborne dust, such as appropriately controlled vacuum equipment or careful mechanical collection. Prevent powder or wetted residues from creating slippery floors; do not wash large quantities into drains or watercourses.

ENVIRONMENTAL PRECAUTIONS
For PLURIOL E 9000, avoid uncontrolled release to soil, surface water, drains, and wastewater systems. Solubility in water is not proof that concentrated industrial releases are environmentally harmless, and cleanup/disposal should follow local requirements and the current SDS.

FIRE RESPONSE
PLURIOL E 9000 is an organic solid with a high published flash-point reference, not a material that should be treated as incapable of burning. In a fire, use extinguishing methods appropriate to the surroundings and the current SDS, and anticipate potentially hazardous thermal-decomposition products; fine dust and dust deposits warrant appropriate risk controls.

WASTE DISPOSAL
Dispose of PLURIOL E 9000 residues, contaminated materials, and packaging in accordance with the relevant waste classification and local regulations. Recovery or reuse should be considered only after establishing that contamination and quality requirements permit it.

SAFETY AND TRANSPORT INFORMATION

Polyethylene glycol generally has a comparatively moderate hazard profile when handled appropriately, but that observation is not a formal hazard-classification statement for every commercial grade. Dust exposure, slip hazards after water contact, hot-melt burns, combustion of organic material, and process-specific incompatibilities still require management. A product can be of relatively low intrinsic toxicity and nevertheless create significant occupational risks during transfer or heating.

A published PLURIOL E 9000 Powder product listing identifies the PEG CAS family but does not, by itself, provide current transport classification. The exact UN number, transport hazard class, packing group, or confirmation that the shipment is not dangerous goods should be taken from the current supplier SDS Section 14 for the correct grade, region, and transport mode. No unverified UN number or packing group is assigned here.

The high reported flash point from the historical PEG family bulletin (>300 degrees C by ISO 2592) concerns a tested thermal property under a specified method. It is not the same as a minimum dust-cloud ignition energy or a complete dust-explosion assessment. Facilities that produce airborne organic polymer fines should determine whether combustible-dust control is necessary under the relevant local standards and operating conditions.

The latest local SDS should also be consulted for storage incompatibilities, decomposition products, required PPE, spill response, and any workplace labeling obligations. Older technical bulletins are useful for background but should not override revised regulatory or safety classifications.

For users transporting powder, maintaining closed clean containers and avoiding heat- and moisture-induced caking can be as important for product quality as compliance with any formal dangerous-goods requirements. Transport packaging, labels, and documentation should correspond to the actual material and shipment jurisdiction.

FREQUENTLY ASKED QUESTIONS ABOUT PLURIOL E 9000

What is PLURIOL E 9000?
PLURIOL E 9000 is a commercial high-molecular-weight polyethylene glycol grade, nominally around 9,000 g/mol, commonly documented as a solid powder used in industrial formulation and processing applications.

Is PLURIOL E 9000 the same as PEG 9000?
PLURIOL E 9000 belongs to the PEG 9000 molecular-weight class, but the commercial name also denotes a particular product specification and physical form that should not be presumed identical to every supplier's PEG 9000.

What does the number 9000 in PLURIOL E 9000 mean?
It indicates a nominal average molar mass of about 9,000 g/mol rather than the exact mass of every polymer chain.

What is the CAS number of PLURIOL E 9000?
The polyethylene glycol family CAS number is 25322-68-3; this number does not uniquely specify the E 9000 grade.

What is the EC number of polyethylene glycol?
The commonly associated EC/List number is 500-038-2 for the polyethylene glycol polymer family.

What is the molecular formula of PLURIOL E 9000?
The structure is represented as HO-(CH2-CH2-O)n-H because the number of repeating units varies from chain to chain.

Does PLURIOL E 9000 have a fixed molecular weight?
No. PLURIOL E 9000 is a distribution of polymer chains with a nominal average molar mass of approximately 9,000 g/mol.

What form is PLURIOL E 9000 supplied in?
The documented E 9000 Powder grade is solid powder at approximately 23 degrees C; a differently named flake product should be identified separately.

What is the historical product reference for PLURIOL E 9000 Powder?
A 2014 PLURIOL E family technical bulletin lists commercial product reference 30044094 for the powder grade.

What color is PLURIOL E 9000 Powder?
Historical manufacturer family literature describes PEG powder grades as white to slightly yellowish; inspect the current material specification for acceptance limits.

What is the typical melting point of PLURIOL E 9000?
The historical family bulletin gives an approximate clear melting point of 65 degrees C, which is a representative value rather than a guaranteed narrow melting specification.

What is the typical viscosity of molten PLURIOL E 9000?
Approximately 900 mm2/s kinematic viscosity at 99 degrees C is reported in the historical family technical bulletin.

Is the 900 mm2/s viscosity of PLURIOL E 9000 a room-temperature value?
No. It describes molten material measured at 99 degrees C and cannot be interpreted as the viscosity of room-temperature solid powder.

What viscosity is reported for a 50% aqueous solution of PLURIOL E 9000?
A later industrial product-range guide lists approximately 260 mm2/s at 50 degrees C for a 50 wt% aqueous solution.

Why do published viscosity values for PLURIOL E 9000 differ?
The figures refer to different sample compositions and temperatures: one measures neat molten PEG and the other a 50 wt% water solution.

What is the difference between mm2/s and mPa.s?
mm2/s measures kinematic viscosity, while mPa.s measures dynamic viscosity. Conversion requires the fluid density at the same temperature and composition.

What density is reported for PLURIOL E 9000?
The historical producer family bulletin lists approximately 1.09 g/cm3 for the material at 70 degrees C.

What is the bulk density of PLURIOL E 9000 Powder?
The historical family bulletin lists approximately 0.6 kg/L for powder bulk density, which includes spaces between packed particles.

Is the bulk density of PLURIOL E 9000 the same as its material density?
No. Powder bulk density includes interparticle void space and is used for container and solids-handling calculations.

What is the typical water content of PLURIOL E 9000?
The historical family bulletin lists water content below 0.5 wt% for E 9000; the current supplier specification and batch COA should control acceptance.

What is the typical pH of PLURIOL E 9000?
A 5 wt% aqueous solution has a representative pH around 7 at 23 degrees C in the historical producer family data.

Does dry PLURIOL E 9000 have an intrinsic pH?
No. The quoted pH describes a defined aqueous preparation, not the dry powder without water.

Is PLURIOL E 9000 soluble in water?
Yes, the producer describes the PLURIOL E family as readily water-soluble, although practical dissolution rate depends on mixing, temperature, and concentration.

Does hard water prevent PLURIOL E 9000 from dissolving?
The historical PLURIOL E family bulletin reports that water hardness does not impair PEG-family solubility, but the complete detergent mixture must still be assessed.

Does PLURIOL E 9000 dissolve instantly?
Not necessarily. Particle form, mixing regime, polymer concentration, and water temperature influence dissolution time.

Is PLURIOL E 9000 soluble in mineral oil?
PEG-family literature indicates very limited solubility in petroleum fractions and predominantly aliphatic hydrocarbons, so compatibility must be tested.

Is PLURIOL E 9000 an anionic surfactant?
No. PEG 9000 is a nonionic hydrophilic polyether and is not inherently equivalent to a purpose-built anionic detergent.

Can PLURIOL E 9000 act as a binder?
It can be assessed as a water-soluble binder or carrier in compatible solid systems, provided the final composition meets cohesion, stability, and dissolution requirements.

Is PLURIOL E 9000 a disinfectant?
No disinfectant efficacy has been established for PLURIOL E 9000; it should not be marketed as an antimicrobial active ingredient without appropriate evidence and authorization.

Can PLURIOL E 9000 be used in detergent tablets?
Higher-molecular-weight PEGs can be evaluated as binder or processing aids in solid cleaning formulations, subject to actual manufacturing and performance testing.

Can PLURIOL E 9000 improve powder flow?
Its solid form may be useful in some blends, but flowability depends on particle shape, fines, humidity, and formulation; improvement cannot be promised without tests.

Can PLURIOL E 9000 reduce dustiness?
A suitably formulated binder may reduce release of some particles after processing, but handling the PEG powder itself can generate dust and must be controlled.

Does PLURIOL E 9000 improve tablet hardness?
It may contribute to cohesion in an appropriate system; hardness depends on the whole formula, compression or forming method, and storage conditions.

Can PLURIOL E 9000 be used as a water-removable process aid?
Its water solubility can make it useful as a candidate temporary auxiliary, but removal rate and residue should be measured for the specific process.

Does PLURIOL E 9000 thicken water?
It can increase viscosity at appropriate concentrations, but the degree of thickening depends on polymer concentration, temperature, and other components.

Does PLURIOL E 9000 thicken more than PEG 200?
At comparable conditions a substantially longer PEG chain can produce different, often more viscous solutions; comparative measurements are needed for the exact concentration.

Can PLURIOL E 9000 be used in pigment dispersions?
The PEG family can assist formulation of certain properly wetted pigment or abrasive pastes, but it does not replace every specialized dispersant.

Can PLURIOL E 9000 be used as a mold-release auxiliary?
Producer information for the broader PLURIOL E family mentions mold-release functions; applicability to E 9000 requires trials with the process and substrate.

Can PLURIOL E 9000 be used in polyurethane synthesis?
Hydroxyl-terminated PEGs can serve as hydrophilic polyether diols in selected chemical syntheses, but E 9000 purity and hydroxyl values must meet the actual reaction requirements.

What is the approximate hydroxyl number of ideal PEG 9000?
For a hypothetical linear diol with number-average molar mass 9,000 g/mol, the calculated hydroxyl number is about 12.5 mg KOH/g; this is not a product test result.

Why is hydroxyl number important?
It estimates the concentration of reactive hydroxyl end groups and is useful in grade characterization and stoichiometric planning.

How does PLURIOL E 9000 compare with PEG 8000?
Both share PEG chemistry, but E 9000 has a higher nominal molar mass and historical data show a somewhat higher clear melting point and molten viscosity.

How does PLURIOL E 9000 compare with PEG 6000?
The historical producer family document lists approximate 99 degrees C melt viscosities of 900 mm2/s for E 9000 versus 350 mm2/s for PEG 6000; process tests are still necessary.

Are PEG 9000 powder and PEG 9000 flakes interchangeable?
Not automatically. Particle size, dust behavior, metering, and dissolution can differ even when chemical composition is similar.

Can PLURIOL E 9000 replace polyvinyl alcohol?
The materials have different polymer structures and performance properties; substitution would require a reformulation and validation.

Can PLURIOL E 9000 replace a hydrophobic wax?
Not directly for water-resistant functions: PEG is hydrophilic and water-soluble, while many waxes are designed to resist water.

Is PLURIOL E 9000 compatible with nonionic surfactants?
Historical PLURIOL E technical literature describes general compatibility with many nonionic surfactants, but the actual formula must be tested.

Can PLURIOL E 9000 be combined with anionic surfactants?
The producer describes broad PEG-family compatibility with many anionic surfactants, subject to concentration, temperature, and other ingredients.

Can PLURIOL E 9000 separate from hydrophobic oils?
Yes, limited compatibility with oils and hydrocarbons makes phase separation a realistic formulation consideration.

Is PLURIOL E 9000 hygroscopic?
The historical manufacturer family document identifies the PLURIOL E PEGs as hygroscopic and recommends tightly closed moisture-protective storage.

What storage temperature is recommended for PLURIOL E 9000 powder?
The February 2014 family bulletin recommends a dry location not exceeding 30 degrees C and protection from sunlight for powders and flakes; confirm current grade instructions.

Why should PLURIOL E 9000 powder bags be kept dry?
Moisture uptake may cause caking, alter handling characteristics, and affect the measurable water content of the material.

Can big bags of PLURIOL E 9000 be stacked?
The historical family guidance warns against stacking big bags because compression can cause lumping; follow current packaging-specific instructions.

What is the shelf life of PLURIOL E 9000?
A historical PLURIOL E family document gives at least two years in properly stored sealed original packaging, but current batch expiry or retest dates should be verified.

Can PLURIOL E 9000 burn?
Yes, it is an organic polymer and should not be treated as noncombustible merely because a historical flash point exceeds 300 degrees C.

Can PLURIOL E 9000 dust create a process hazard?
Airborne organic powder fines can require combustible-dust and occupational exposure controls; evaluate actual dustiness and facility conditions.

What should be done if PLURIOL E 9000 gets into the eyes?
Rinse the eyes cautiously with clean water for several minutes and seek medical advice if symptoms persist; use the current SDS for product-specific instructions.

What is the first aid for molten PLURIOL E 9000 on skin?
Cool the affected area with running water, do not forcibly peel off adhered material, and seek appropriate medical attention for a thermal burn.

What should be done after swallowing industrial PLURIOL E 9000?
Rinse the mouth, do not induce vomiting, and seek medical advice if a substantial amount was swallowed or symptoms appear.

How should PLURIOL E 9000 spills be cleaned?
Collect the powder while limiting airborne dust, prevent slips from wet residues, and keep large releases out of drains.

Is PLURIOL E 9000 dangerous goods for transport?
A universal declaration cannot be made without the current grade- and region-specific SDS Section 14; no UN number or packing group is assumed here.

What does the reported flash point above 300 degrees C for PLURIOL E 9000 mean?
It is a historical result from a defined flash-point method, not proof of immunity to combustion or dust-related hazards.

Does PLURIOL E 9000 have an E number?
Polyethylene glycol has the food-additive designation E 1521, but this does not by itself make technical PLURIOL E 9000 food grade or approved for a particular food.

Is PLURIOL E 9000 approved for all food products?
No. Permitted food categories, use limits, relevant specifications, and the material's grade status must be checked separately.

Does E 1521 mean industrial PLURIOL E 9000 meets EU purity specifications?
No. E-number identity is not a substitute for analytical evidence and documentation demonstrating conformity of the exact material.

Is PLURIOL E 9000 a pharmaceutical-grade excipient?
No pharmaceutical-grade status has been established by the technical documents consulted; any medicinal application would need separate qualification.

Can PLURIOL E 9000 be used in cosmetics?
PEG chemistry is used in cosmetics, but suitability and INCI labeling for this commercial grade must be confirmed by appropriate documentation and assessment.

Is there a verified INCI name for this exact PLURIOL E 9000 grade?
A grade-specific INCI designation has not been reliably established here; the cosmetic ingredient name and its suitability need supplier and regulatory verification.

Does PLURIOL E 9000 have a fixed boiling point?
No reliably established sharp boiling point applies to the polydisperse commercial grade; decomposition may intervene on strong heating.

Does PLURIOL E 9000 have the same density as its bulk powder?
No. The polymer material density and the packed powder bulk density refer to different measurements and uses.

Can a supplier's PEG 9000 be substituted without qualification?
Not safely as a general assumption; compare molar-mass distribution, moisture, viscosity, appearance, particle characteristics, impurities, and application results.

Which document gives general property data for PLURIOL E 9000?
A technical data sheet describes representative properties and application information for the relevant product grade.

Which document gives handling and hazard information for PLURIOL E 9000?
The current safety data sheet for the intended market provides the relevant classification, personal protection, spill response, and transport information.

Which document confirms batch quality for PLURIOL E 9000?
The lot-specific certificate of analysis reports batch test results against the applicable material specification.

What tests are useful before adopting PLURIOL E 9000?
Check dissolution behavior, viscosity under the actual conditions, powder flow, moisture sensitivity, compatibility, and the finished product's performance and stability.

Why should historical PLURIOL E 9000 producer data be distinguished from current specification limits?
Historical bulletins provide useful representative values but may not reflect current grade changes, test methods, or contractual quality limits.

How can Ataman Kimya help with a PLURIOL E 9000 inquiry?
Customers may ask Ataman Kimya about the intended application, grade or packaging options, available technical documents, current availability, and a quotation; these details require confirmation.

TECHNICAL SUMMARY

PLURIOL E 9000 is a nonionic, water-soluble, hydroxyl-terminated polyethylene glycol with a nominal average molar mass of approximately 9,000 g/mol. The documented powder grade is a room-temperature solid that can serve as a candidate binder, carrier, process aid, consistency modifier, or polyether-diol intermediate in suitably designed industrial products. Its useful behavior follows from a hydrophilic oxyethylene backbone, two nominal hydroxyl end groups per linear chain, and the longer-chain solid-state characteristics of high-molecular-weight PEG.

Producer literature records typical figures including approximately 65 degrees C clear melting point, approximately 900 mm2/s molten kinematic viscosity at 99 degrees C, approximately 1.09 g/cm3 material density at 70 degrees C, approximately 0.6 kg/L powder bulk density, and a 5 wt% aqueous pH of about 7. A separate later guide lists approximately 260 mm2/s at 50 degrees C for a 50 wt% aqueous solution. These values belong to different sample conditions, and historical brochure figures are not substitutes for current grade specifications.

Successful use requires attention to powder form, water solubility, moisture pickup, dissolution conditions, thermal processing, and quality consistency. Selection for cosmetics, foods, pharmaceuticals, or other regulated uses is not established by the generic PEG CAS number or the E 1521 designation. The current SDS, relevant TDS, and batch COA should be reviewed before purchasing and processing the material.

CONTACT ATAMAN KIMYA

Customers considering PLURIOL E 9000 for solid cleaning products, processing aids, binders, or other industrial formulations may contact Ataman Kimya to describe their application and required physical and quality characteristics. Discussions can cover the appropriate grade and physical form, relevant technical documentation, available packaging options, and whether the offered material meets the required specification.

Ataman Kimya can be contacted to inquire about current availability, quotation options, and documentation for the intended application. Product availability, certifications, regulatory suitability, and supply terms should be confirmed for the specific proposed grade and transaction rather than assumed from a general product profile.

Ataman Chemicals
Phone: +90 216 577 10 10
Email: info@atamankimya.com