BEROL R648 NG

Berol R648 NG is a concentrated cationic surfactant and multifunctional cleaning additive based on alkyl polyglycol ether ammonium methyl chloride chemistry. Berol R648 NG is supplied as an aqueous commercial surfactant concentrate rather than as a single pure molecular substance, so the product should not be assigned one fixed molecular formula or molecular weight. Current product data identify approximately 60% active content and 39-41% water, with a pH of 6-9 for a 1% aqueous solution, density approximately 1062 kg/m³ at 20°C, viscosity approximately 210 mPa·s at 20°C, clear point and pour point around -17°C, and flash point at or above 100°C. Berol R648 NG is particularly valuable as a degreasing booster, hydrotrope, cosurfactant and alkali-stable surfactant in household, institutional and industrial cleaning formulations. The surfactant remains functional in strongly alkaline environments, is compatible with common cleaning chelants, can be used in acidic cleaning systems and works with nonionic and cationic surfactants while anionic compatibility must be assessed selectively. Because Berol R648 NG is a formulated commercial grade, the current Ataman Chemicals TDS, SDS and COA should control final specification, safety classification, storage, formulation and batch-acceptance decisions.

PRODUCT IDENTITY

Product Name: Berol R648 NG
Product Type: Cationic surfactant concentrate
Chemical Description: Alkyl polyglycol ether ammonium methyl chloride
Principal Active Chemical Family: Ethoxylated quaternary ammonium surfactant / cationic alkoxylated amine derivative
Principal Active Substance Description: Quaternary C12-C14 alkyl methyl amine ethoxylate methyl chloride
Principal Active CAS Number: 1554325-20-0
Principal Active EC Number: 810-152-7
Product Form: Aqueous commercial mixture
Fixed Molecular Formula: Not applicable to the commercial product because Berol R648 NG is a formulated surfactant mixture and the active material is compositionally distributed rather than one discrete molecule
Fixed Molecular Weight: Not applicable to the commercial product
Active Content: Approximately 60%
Water Content: 39-41%
Appearance at 20°C: Clear to hazy liquid
pH: 6-9 for a 1% aqueous solution
Density: Approximately 1062 kg/m³ at 20°C
Viscosity: Approximately 210 mPa·s at 20°C
Clear Point: Approximately -17°C
Pour Point: Approximately -17°C
Flash Point: At least 100°C in current product data
Color: Maximum approximately 9.5 Gardner in current product data
Surface Tension: Approximately 36 mN/m at 25°C for a 0.1% solution by Du Noüy method
Foam Height: Approximately 32 mm immediately and 3 mm after 5 minutes at 50°C and 0.05% by Ross-Miles method
Draves Wetting Time: At least approximately 600 seconds at 25°C and 0.1% in the referenced product data
Water Solubility: Soluble
Ethanol Solubility: Soluble
Isopropyl Alcohol Solubility: Soluble
Low-Aromatic-Solvent Solubility: Insoluble
Primary Functions: Degreasing booster, hydrotrope, cosurfactant and alkali-stable surfactant
Primary Market Area: Household, institutional and industrial cleaning
Main Application Types: All-purpose cleaners, industrial cleaners, car-wash formulations, caustic cleaners, deck and floor cleaners, hard-surface cleaners and metal cleaners
Strong-Alkali Stability: Suitable for strongly alkaline cleaning systems up to approximately pH 14 in current technical guidance
Caustic Compatibility: Stable with approximately 2-4% caustic depending on electrolyte level and complete formulation
Acid Compatibility: Compatible with selected hydrochloric, phosphoric, methanesulfonic, citric and sulfamic acid cleaning systems when the complete formulation is validated
Chelant Compatibility: Compatible with common complexing agents used in cleaning formulations
Surfactant Compatibility: Compatible with nonionic and cationic surfactants and selectively compatible with anionic surfactants

SYNONYMS

Berol R648 NG, Berol R 648 NG, R648 NG, Berol 648 NG, Berol R648NG, Alkyl Polyglycol Ether Ammonium Methyl Chloride, Alkyl Polyglycol Ether Ammonium Methylchloride, Quaternary C12-C14 Alkyl Methyl Amine Ethoxylate Methyl Chloride, Quaternary C12-14 Alkyl Methyl Amine Ethoxylate Methyl Chloride, C12-C14 Alkyl Methyl Amine Ethoxylate Methyl Chloride, C12-14 Alkyl Methyl Amine Ethoxylate Methyl Chloride, Quaternary Ammonium C12-C14 Ethoxylated Chloride, Ethoxylated Quaternary Ammonium Surfactant, Ethoxylated Cationic Surfactant, Cationic Alkoxylated Amine Surfactant, Cationic Hydrotrope, Cationic Degreasing Booster, Cationic Cleaning Cosurfactant, Alkali-Stable Cationic Surfactant, Caustic-Stable Cationic Surfactant, Acid-Stable Cationic Surfactant, Industrial Degreasing Surfactant, Hard-Surface Cleaning Surfactant, Metal Cleaning Cationic Surfactant, Vehicle Cleaning Surfactant, Water-Soluble Cationic Surfactant, 60% Active Cationic Surfactant Concentrate, CAS 1554325-20-0 Surfactant, Quaternary Ammonium Cleaning Additive, C12-C14 Quaternary Ethoxylate Surfactant

WHAT IS BEROL R648 NG?

Berol R648 NG is a multifunctional cationic surfactant concentrate designed primarily for cleaning formulations.
The active chemistry is based on alkyl polyglycol ether ammonium methyl chloride, an ethoxylated quaternary ammonium structure that combines permanent cationic charge with a hydrophobic alkyl chain and hydrophilic polyether functionality.
This combination gives Berol R648 NG unusual formulation flexibility compared with simple conventional quaternary ammonium surfactants.
Berol R648 NG can improve degreasing while simultaneously acting as a hydrotrope and cosurfactant.
The product is especially useful when a formulation must remain clear or stable in the presence of strong alkali, electrolytes, complexing agents or acid.
Berol R648 NG is supplied in water at approximately 60% active content, so dosage calculations should distinguish commercial product concentration from active surfactant concentration.

CHEMICAL NATURE

The principal active component belongs to a UVCB-type or compositionally distributed quaternary ammonium family rather than a single discrete molecular species.
The hydrophobic portion is primarily associated with C12-C14 alkyl groups.
The nitrogen center carries permanent cationic charge.
Ethoxylated or polyglycol ether functionality contributes hydrophilicity and helps distinguish Berol R648 NG from simpler alkyltrimethyl or benzalkonium-type quaternary surfactants.
The chloride counterion balances the cationic charge.
Because chain length and ethoxylation are distributed, assigning one exact molecular formula or molecular weight to Berol R648 NG would be chemically misleading.

WHY THE PRODUCT IS A MIXTURE

Berol R648 NG is delivered as an aqueous surfactant concentrate with approximately 60% active matter and 39-41% water.
The active surfactant itself represents a homologous and ethoxylation-distributed quaternary ammonium composition rather than one exact molecule.
The commercial product therefore has a batch specification based on functional and physical parameters rather than a single molecular formula.
Important acceptance parameters include active content, water content, pH, functional test and appearance.
Typical-characteristic values such as density, viscosity, foam, surface tension and solubility support formulation design but should not automatically be treated as guaranteed batch-release limits unless included in the current specification.

CATIONIC SURFACTANT FUNCTION

Berol R648 NG carries a permanent positive charge and is therefore classified as a cationic surfactant.
Cationic surfactants can adsorb strongly onto negatively charged surfaces, soils, mineral particles and interfaces.
This interfacial behavior can support soil removal, wetting modification and formulation synergy.
Berol R648 NG differs from many strongly substantive simple quats because its ethoxylated structure also provides strong hydrotropic and cosurfactant behavior.
The result is a multifunctional additive that can boost cleaning while improving solubilization and electrolyte tolerance.
Compatibility with anionic surfactants is formulation dependent because opposite charges can form ion pairs or insoluble complexes.

HYDROTROPE FUNCTION

A hydrotrope improves the solubility or formulation compatibility of hydrophobic ingredients in water-rich systems.
Berol R648 NG can increase the cloud point and improve clarity of cleaning formulations containing nonionic surfactants, builders and chelants.
This allows the formulation to remain more stable at elevated temperature or in high-electrolyte conditions.
Hydrotropic performance can reduce the amount of conventional hydrotrope required.
Unlike many simple hydrotropes, Berol R648 NG also contributes direct degreasing performance.
This dual role can simplify formulations and improve active efficiency.

DEGREASING BOOSTER FUNCTION

Berol R648 NG is positioned as a strong degreasing booster at relatively low use levels.
The cationic-polyether structure can improve interaction between aqueous cleaning solution and oily or greasy soils.
In formulated systems, Berol R648 NG works especially well with nonionic fatty alcohol ethoxylates and chelating agents.
The product can improve removal of heavy grease from hard surfaces, engines, metal parts and industrial equipment.
The strongest performance normally comes from the complete surfactant-builder-hydrotrope package rather than from Berol R648 NG used alone.
Formulation testing should therefore compare complete systems at realistic dilution.

ALKALI STABILITY

A major technical advantage of Berol R648 NG is stability under strongly alkaline conditions.
Current technical guidance describes the surfactant as stable up to approximately pH 14.
The product can also remain stable with approximately 2-4% caustic depending on electrolyte concentration and the complete formulation.
This makes Berol R648 NG particularly useful in heavy-duty alkaline degreasers and metal-cleaning formulations.
Alkali stability does not mean that every mixture containing Berol R648 NG will remain clear at arbitrary sodium hydroxide or salt concentration.
Cloud point, ionic strength, nonionic surfactant selection and chelant level must still be balanced experimentally.

ACID STABILITY

Berol R648 NG also offers useful compatibility with acidic cleaning systems.
Technical guidance identifies compatibility with hydrochloric acid, phosphoric acid and methanesulfonic acid conditions.
Example acidic cleaner concepts also include citric and sulfamic acid systems.
Acid stability expands the use of Berol R648 NG beyond conventional alkaline degreasers.
The surfactant can contribute wetting, grease removal and hydrotropy in descaling or acid-cleaning formulations where soils include both mineral and oily components.
Final acid concentration, corrosion control and material compatibility must be validated for the intended substrate.

CHELANT COMPATIBILITY

Modern cleaning formulations often contain complexing agents to bind calcium, magnesium, iron and other metal ions.
Berol R648 NG is described as stable with common complexing agents used in cleaning.
This is important because high chelant concentrations can destabilize many surfactant systems through electrolyte loading.
Berol R648 NG can therefore be formulated with aminocarboxylate, biodegradable chelant and related builder technologies where compatibility is confirmed.
Chelants improve hard-water tolerance and can assist removal of inorganic or metal-associated soils.
The surfactant and chelant can therefore provide complementary cleaning mechanisms.

SURFACTANT COMPATIBILITY

Berol R648 NG is compatible with nonionic surfactants and with other cationic surfactants.
Nonionic fatty alcohol ethoxylates are especially useful partners in degreasing formulations.
Cationic-cationic combinations can be used where charge compatibility and performance goals support the blend.
Anionic surfactant compatibility is selective and should never be assumed.
Strongly anionic surfactants can form insoluble or poorly soluble complexes with cationic surfactants.
Small-scale compatibility testing should therefore check clarity, viscosity, precipitation, foam and cleaning performance over the full storage-temperature range.

FOAM PROFILE

Berol R648 NG is characterized as a medium-foam surfactant.
Current product data report approximately 32 mm Ross-Miles foam immediately at 50°C and 0.05% concentration, falling to approximately 3 mm after 5 minutes.
The rapid foam decay can be advantageous in industrial cleaning where strong initial wetting is useful but persistent foam is undesirable.
Foam behavior changes strongly with nonionic surfactants, anionic components, builders, temperature and soil load.
Formulators should therefore test dynamic foam under realistic spraying, recirculation or mechanical agitation conditions.

SURFACE TENSION

Current product data report surface tension of approximately 36 mN/m at 25°C for a 0.1% solution by the Du Noüy method.
Lowering water surface tension supports spreading and contact with hydrophobic soils.
Surface tension alone does not determine cleaning performance because interfacial tension, soil composition, adsorption and hydrotropy also matter.
Berol R648 NG is particularly valuable because its surface activity is combined with degreasing and formulation-stabilizing functions.

WETTING

The referenced Draves wetting result is at least approximately 600 seconds at 25°C and 0.1%.
This relatively slow standard wetting result should be interpreted in the context of Berol R648 NG's primary role as a hydrotrope and degreasing booster rather than as a dedicated ultrafast wetting agent.
In complete cleaning formulations, nonionic surfactants or other wetting agents can provide the rapid wetting component.
Berol R648 NG can then support solubilization, grease removal, cloud-point control and electrolyte tolerance.
This illustrates why multifunctional formulation performance should not be inferred from one isolated wetting test.

APPLICATIONS

All-purpose cleaners
Berol R648 NG can improve degreasing, hydrotropy and formulation clarity in water-based all-purpose cleaners for kitchens, bathrooms, floors and general hard surfaces.

Kitchen cleaners
Greasy kitchen soils can benefit from Berol R648 NG combined with nonionic surfactants and suitable builders or chelants.

Bathroom cleaners
Berol R648 NG can be used in acidic or neutral bathroom-cleaning formulations where both soap residue and oily soil must be removed.

Floor cleaners
Hard-floor formulations can use Berol R648 NG as a low-level cosurfactant to improve soil removal and compatibility of the surfactant package.

Deck cleaners
Berol R648 NG can support alkaline or specialty deck-cleaning formulations when substrate compatibility is confirmed.

Hard-surface cleaners
The product is directly positioned for hard-surface cleaning because it combines degreasing with hydrotropic stability.

Trigger-spray cleaners
Low-level Berol R648 NG can be used in ready-to-use or dilutable trigger products where clarity, wetting and degreasing are required.

Concentrated cleaners
The high active content allows Berol R648 NG to provide multiple functions in compact concentrated formulations.

Industrial degreasers
Berol R648 NG is particularly well suited to heavy-duty degreasing of machinery, metal components and industrial surfaces.

Heavy-duty alkaline degreasers
Strong alkali stability makes Berol R648 NG useful in sodium-hydroxide-containing degreasers when the complete electrolyte balance is validated.

Caustic cleaners
Berol R648 NG is directly relevant to caustic cleaning systems because it remains stable in high-pH conditions and can improve grease removal.

Engine cleaners
Engine and mechanical-equipment cleaners can use Berol R648 NG to boost removal of hydrocarbon grease and oily deposits.

Vehicle cleaners
Berol R648 NG can be incorporated into vehicle cleaning formulations, especially heavy-duty prewash or degreasing products.

Car-wash formulations
The surfactant can support car-wash cleaners and traffic-film removers when material compatibility and rinse properties are appropriate.

Truck and fleet cleaners
High-alkaline fleet cleaners can benefit from Berol R648 NG where oil, road film and particulate soils must be removed.

Metal cleaners
Berol R648 NG is suitable for metal-cleaning formulations where cationic surfactant compatibility, alkalinity and substrate corrosion control are managed.

Metal degreasing
Industrial metal parts contaminated with oils and machining residues can be cleaned using Berol R648 NG-containing alkaline systems.

Machine-part cleaners
Spray, immersion and manual cleaning formulations can use Berol R648 NG to improve grease removal and solution stability.

Workshop cleaners
Concentrated workshop degreasers can use Berol R648 NG as a multifunctional hydrotrope and cleaning booster.

Maintenance cleaners
Maintenance products for equipment, floors and industrial surfaces can use Berol R648 NG to simplify surfactant packages.

Acid cleaners
Berol R648 NG can function in selected hydrochloric, phosphoric, methanesulfonic, citric or sulfamic acid cleaning systems where oily and mineral soils 
coexist.

Descaling cleaners
Acid descalers can use Berol R648 NG to improve wetting of oily or contaminated mineral scale before acid dissolution.

Phosphoric-acid cleaners
Berol R648 NG can contribute surfactancy and hydrotropy in phosphoric-acid-based cleaners.

Hydrochloric-acid cleaners
Selected hydrochloric-acid formulations can use Berol R648 NG after corrosion, substrate and surfactant stability are validated.

Sulfamic-acid cleaners
Sulfamic acid systems can use Berol R648 NG where additional degreasing and surface activity are needed.

Citric-acid cleaners
Citric-acid formulations can combine chelation and acidity with Berol R648 NG surfactancy for mixed-soil removal.

Chelant-rich cleaners
Berol R648 NG is useful in formulations with substantial complexing-agent content because the surfactant tolerates common cleaning chelants.

Hard-water cleaners
Chelant-compatible Berol R648 NG formulations can maintain cleaning performance in hard water when the builder system is correctly designed.

Low-phosphate cleaners
Modern low-phosphate or phosphate-free cleaners can use Berol R648 NG with chelants and nonionic surfactants to recover performance.

Institutional cleaners
Food-service, hospitality and facility-maintenance products can use Berol R648 NG where high-performance degreasing is needed, subject to end-use regulatory 
requirements.

Industrial floor scrubbers
Low-persistent-foam behavior can be beneficial in machine cleaning when the full formula is designed for recovery equipment.

Spray cleaning
Berol R648 NG can be used in spray systems where degreasing and rapid foam decay are desired.

Immersion cleaning
Metal and machinery parts can be immersed in compatible Berol R648 NG-containing baths for soil removal.

Recirculating wash systems
The medium-to-low persistent foam profile can support recirculating cleaning where foam control is important.

Pre-cleaners
Berol R648 NG can strengthen pre-cleaning steps before coating, painting or further surface treatment when residue compatibility is validated.

Paint-preparation cleaners
Metal or hard-surface degreasers used before coating can incorporate Berol R648 NG if the final rinse leaves a surface suitable for subsequent adhesion.

Maintenance concentrate bases
The surfactant can provide hydrotropy and cleaning boost in concentrated maintenance-cleaner bases that are diluted at use.

HOUSEHOLD CLEANING

Berol R648 NG can be used at relatively low level in household hard-surface formulations.
A technical example for an all-purpose cleaner uses approximately 1% Berol R648 NG as supplied together with another surfactant, chelant and water.
This illustrates the product's role as a multifunctional cosurfactant rather than necessarily the primary surfactant.
The final household formulation should be evaluated for skin and eye hazard, surface compatibility, fragrance compatibility and labeling.
Use concentration should be optimized around soil removal and formula clarity rather than copied from a technical example without testing.

INDUSTRIAL DEGREASING

Industrial degreasing is one of the strongest use areas for Berol R648 NG.
Technical formulation examples use several percent Berol R648 NG as supplied together with nonionic surfactant, sodium hydroxide and chelant.
The product improves removal of heavy grease while helping keep the surfactant system stable under alkaline conditions.
A concentrate can then be diluted substantially before use depending on soil load and cleaning method.
The practical dilution should be determined from cleaning trials, substrate compatibility and wastewater considerations.

CAUSTIC CLEANING

Berol R648 NG is especially differentiated by its ability to function in strong alkaline cleaners.
Current technical guidance indicates stability with approximately 2-4% caustic depending on electrolyte loading.
Sodium hydroxide improves saponification and removal of fatty or oxidized soils, while Berol R648 NG improves wetting, hydrotropy and oily-soil removal.
Silicate, carbonate, chelant and nonionic surfactant levels can alter cloud point and solution stability.
A concentrated caustic cleaner should therefore be evaluated across storage temperature and expected water hardness.

ACID CLEANING

Berol R648 NG is unusual among strongly functional cleaning surfactants because it can also work in acidic formulations.
Acid cleaners are commonly used for mineral scale, oxide and inorganic deposit removal.
Many real soils contain oil or grease that blocks acid contact with the mineral surface.
Berol R648 NG can provide the surfactancy needed to penetrate oily contamination while the acid dissolves mineral deposits.
Corrosion inhibitors may be required to protect metal substrates, and compatibility with Berol R648 NG should be validated.

METAL CLEANING

Metal cleaning can require simultaneous removal of mineral film, machining oil, grease, particulate soil and oxidation products.
Berol R648 NG can be used in both alkaline and selected acidic metal-cleaning systems.
The cationic nature can increase adsorption on metal or oxide surfaces, which may influence rinsing and downstream coating.
For pretreatment before painting, plating or bonding, rinse quality should therefore be checked carefully.
Cleaning performance should be balanced with corrosion inhibition and residue control.

VEHICLE CLEANING

Vehicle-cleaning soils include traffic film, oil, grease, carbonaceous deposits and inorganic road contamination.
Berol R648 NG can boost heavy-duty prewash and degreasing formulations.
High-pH formulations can improve oily-soil removal, while Berol R648 NG helps stabilize the surfactant system.
Painted surfaces, aluminum, glass, trim and coatings have different chemical tolerances.
A vehicle cleaner should therefore be validated on all relevant materials before commercial use.

CLOUD POINT CONTROL

Hydrotropic performance can increase the cloud point of nonionic-containing cleaning formulations.
A higher cloud point can preserve clarity and cleaning power at elevated use temperature.
Berol R648 NG can achieve useful cloud-point improvement at lower concentration than conventional hydrotropes in some technical comparisons.
Cloud point depends on nonionic ethoxylation level, electrolyte concentration, chelant, pH and total surfactant loading.
Formulators should measure the actual concentrate and use-dilution cloud point rather than relying on one reference formulation.

ELECTROLYTE TOLERANCE

Strong cleaners often contain high concentrations of salts, builders, caustic or chelants.
Electrolytes can dehydrate nonionic ethoxylate chains and cause clouding or phase separation.
Berol R648 NG can help maintain formulation stability under these difficult conditions.
The product's effectiveness still has practical limits, especially as total ionic strength increases.
Compatibility should be tested at the highest expected electrolyte concentration and lowest storage temperature.

FORMULATION WITH NONIONICS

Nonionic fatty alcohol ethoxylates are natural formulation partners for Berol R648 NG.
The nonionic can provide primary oily-soil wetting and detergency.
Berol R648 NG can add hydrotropy, degreasing boost and electrolyte tolerance.
The ratio should be optimized for cloud point, foam, soil removal and cost.
Narrow-range and conventional ethoxylates can behave differently in the same formulation.

FORMULATION WITH CATIONICS

Berol R648 NG is compatible with cationic surfactants.
This allows combination with quaternary ammonium ingredients in selected disinfectant or specialty cleaning formulations.
Compatibility does not automatically establish biocidal efficacy or regulatory authorization.
If a cationic active is used as a disinfectant, the finished product must meet the relevant efficacy and regulatory requirements.
Other ingredients should be screened to avoid deactivation or precipitation.

FORMULATION WITH ANIONICS

Anionic compatibility is selective because Berol R648 NG is cationic.
Oppositely charged surfactants can form ion pairs, coacervates or precipitates.
Some ratios and structures may remain clear, while others can become unstable immediately or after aging.
Anionic combinations should therefore be tested at actual concentrate and use dilution.
Do not assume that apparent initial clarity proves long-term compatibility.

FORMULATION WITH CHELANTS

Berol R648 NG is compatible with common cleaning complexing agents.
Chelants bind hardness ions and metal ions that can otherwise reduce cleaning efficiency.
Biodegradable aminocarboxylates, EDTA-type chelants and other builder systems can be evaluated with Berol R648 NG.
The total electrolyte concentration still affects phase behavior.
A formulation should be checked at high and low temperature after full chelant neutralization.

FORMULATION WITH BUILDERS

Builders such as sodium hydroxide, silicates, carbonates and phosphates can increase cleaning power but also raise ionic strength.
Berol R648 NG improves tolerance of these conditions compared with less robust surfactant packages.
Silicate can provide alkalinity and corrosion-related benefits on some substrates.
Carbonate can buffer alkalinity and assist soil removal.
The builder package should be optimized for substrate safety, rinsing and environmental requirements.

DOSAGE PRINCIPLE

There is no single universal Berol R648 NG dosage for all cleaning products.
Ready-to-use household formulas can use low single-digit percentages as supplied.
Heavy-duty industrial concentrates can use several percent depending on the surfactant and builder system.
Technical examples include approximately 1% in an all-purpose cleaner and approximately 3.5-5% in concentrated alkaline degreasers.
Acidic formulations can also use low single-digit percentages.
These values are formulation examples rather than universal recommendations, and actual dosage should be optimized through performance and stability testing.

ACTIVE CONTENT CALCULATION

Berol R648 NG contains approximately 60% active surfactant.
A formulation using 1.0% product as supplied contains approximately 0.6% active Berol R648 NG surfactant.
A formulation using 5.0% product as supplied contains approximately 3.0% active surfactant.
Active-basis calculation is useful when comparing Berol R648 NG with other hydrotropes or surfactants supplied at different concentrations.
Water contributed by Berol R648 NG should also be included in final batch mass balance.

MIXING PROCEDURE

Berol R648 NG is water soluble and can normally be incorporated into an aqueous batch with moderate mixing.
The best addition sequence depends on the nonionic surfactant, chelant, caustic and electrolyte package.
For concentrated cleaners, initial dilution of Berol R648 NG with part of the water can improve distribution.
Strong caustic should be added under controlled mixing and temperature conditions.
Cloud point and clarity should be checked after all builders and chelants are fully incorporated.
Anionic ingredients, if used, should be added only after compatibility has been demonstrated.

TEMPERATURE EFFECTS

Berol R648 NG remains liquid and pourable to low temperature, with clear and pour points around -17°C in current product data.
Viscosity increases as temperature falls even before the pour point is reached.
Warm storage lowers viscosity but should remain within the approved storage range.
Cleaning performance can also vary with use temperature because grease viscosity, surfactant solubility and cloud point change.
Hot cleaning normally accelerates oily-soil removal but can increase corrosion or damage sensitive substrates.

QUALITY CONTROL

Important Berol R648 NG quality parameters include active content, water content, pH, functional test, appearance and color according to the current commercial specification.
Density, viscosity, clear point, pour point, surface tension, foam and solubility are useful characteristic values for formulation and identity control.
The current product data distinguish specification parameters from typical characteristics.
A batch should therefore be accepted against the current Ataman Chemicals commercial specification rather than treating every published typical value as a guaranteed limit.
The COA should be reviewed together with the TDS when incoming control is important.

ACTIVE CONTENT

Current product data identify active content at approximately 60%.
Active matter determines the effective surfactant dose delivered by the commercial concentrate.
Variation in active content affects hydrotropy, cleaning performance, viscosity and economic comparison.
Formulation calculations should therefore use the actual batch specification where precision is important.

WATER CONTENT

Current product specifications identify water content at approximately 39-41%.
The water is an intentional component of the commercial surfactant concentrate.
Water content should not be treated as accidental contamination.
Removing water or concentrating the product can change viscosity, stability and hazard characteristics and should not be attempted outside an approved process.

PH

The current specification gives pH 6-9 for a 1% aqueous solution.
This near-neutral measured pH does not limit the product to neutral formulations.
Berol R648 NG can remain stable in strongly alkaline and selected acidic cleaners.
The final formulation pH is controlled primarily by builders or acids added by the formulator.

FUNCTIONAL TEST

Current product specifications include a functional test value of at least 50°C.
This type of functional specification supports confirmation of product performance rather than simply chemical identity.
The exact current test method and acceptance procedure should follow the supplied commercial specification.
Customers should avoid reconstructing or redefining the functional test without the official method.

VISCOSITY

Current characteristic viscosity is approximately 210 mPa·s at 20°C.
This moderate viscosity allows pumping and metering while maintaining a concentrated 60% active form.
Viscosity rises at lower temperature.
Dilution with water generally reduces viscosity, although salts and surfactant interactions can produce non-linear behavior.

DENSITY

Current characteristic density is approximately 1062 kg/m³ at 20°C.
This is approximately 1.062 g/cm³.
Density supports bulk transfer and inventory calculations.
Mass-based batching remains preferable for accurate industrial formulation.

COLOR

Current product data give color at not more than approximately 9.5 Gardner.
The product can therefore range from relatively light to visibly colored depending on batch and viewing conditions.
Color is normally less critical in heavy-duty industrial cleaners than in clear consumer products.
Very pale or transparent finished products should be evaluated for the effect of Berol R648 NG color at the intended dosage.

SAFETY AND HANDLING

Berol R648 NG should be handled as a concentrated cationic surfactant rather than as a mild ready-to-use cleaner.
Accessible product safety information identifies skin irritation and serious eye damage hazards and older product-specific safety data also include harmful-if-swallowed classification.
The current regional SDS for the supplied grade should control final workplace labeling because safety classifications can be revised over time.
Chemical-resistant gloves, protective clothing and strong eye/face protection are appropriate for bulk handling.
Mist or aerosol generation should be minimized.
Eating, drinking and smoking should be prohibited in chemical handling areas.

EYE HAZARD

Concentrated Berol R648 NG can cause serious eye damage according to accessible safety information.
Safety goggles and face protection should be used where splashing is possible.
Emergency eyewash should be readily accessible.
Eye contact requires immediate prolonged rinsing and prompt medical attention according to the current SDS.

SKIN CONTACT

Concentrated Berol R648 NG can irritate skin.
Repeated or prolonged contact should be avoided.
Suitable chemical-resistant gloves should be selected using actual permeation data where available.
Contaminated clothing should be removed and washed before reuse.
Diluted finished cleaners can have a different classification that must be calculated from the complete formulation.

INGESTION HAZARD

Older product-specific SDS information classifies Berol R648 NG as harmful if swallowed.
The concentrate should never be stored in food or beverage containers.
After accidental ingestion, the mouth should be rinsed and medical or poison-center advice obtained according to the current SDS.
Do not induce vomiting unless specifically directed by medical professionals.

FIRST AID

After eye contact, rinse cautiously and continuously with water and obtain immediate medical attention according to the current SDS.
After skin contact, wash thoroughly with water and remove contaminated clothing.
After inhalation of mist or aerosol, move the affected person to fresh air and obtain medical advice if symptoms occur.
After accidental ingestion, rinse the mouth and contact a medical professional or poison center as directed by the current SDS.
First-aid instructions for a diluted finished cleaner should be based on the classification of that final product.

SPILL MANAGEMENT

Prevent concentrated Berol R648 NG from entering drains, surface water or soil in uncontrolled quantities.
A surfactant spill can make floors extremely slippery.
Contain the liquid with compatible inert absorbent and collect it into labeled containers.
Small residues can be cleaned with water only when site wastewater controls permit.
Avoid generating foam during cleanup.
The current SDS and local environmental rules should control final disposal.

FIRE RESPONSE

Berol R648 NG is an aqueous surfactant concentrate with a current reported flash point of at least 100°C.
The product is not handled like a low-flash-point solvent, but organic surfactant components can burn under fire conditions.
Combustion or decomposition can produce carbon oxides, nitrogen-containing decomposition products and hydrogen chloride or other irritating fumes depending on conditions.
Firefighting media should be selected for the surrounding fire and current SDS.
Firefighters may require self-contained breathing apparatus in significant chemical fires.

STORAGE

Berol R648 NG should be stored in tightly closed compatible containers in a cool, dry and well-ventilated area.
Freezing and very low temperature can increase viscosity or affect appearance even though the reported pour point is around -17°C.
Repeated strong heating should be avoided.
Strong oxidizers and incompatible anionic materials should be segregated where required by the site chemical-compatibility system.
The original package label and current Ataman Chemicals SDS should control exact storage conditions and shelf life.

ENVIRONMENTAL PROFILE

The principal active surfactant has been described in available safety data as readily biodegradable under an OECD 301D method.
Available older product information also indicates low bioaccumulation potential because the active component is biodegradable and water soluble.
Aquatic testing in older safety information shows ecotoxicity in the low mg/L range for algae, so uncontrolled discharge should still be avoided.
Cationic surfactants can adsorb strongly to negatively charged solids and sludge.
Wastewater behavior should therefore be evaluated at the formulation and site level rather than assuming ready biodegradability eliminates all aquatic risk.

BIODEGRADABILITY

Readily biodegradable behavior is an important environmental characteristic of the active surfactant chemistry.
Biodegradability can reduce long-term persistence after appropriate biological treatment.
Ready biodegradability does not mean concentrated product can be discharged directly to waterways.
High local concentration can still cause acute effects before biodegradation occurs.
Industrial cleaning operations should minimize overfeed and manage spent wash liquor through suitable wastewater treatment.

REGULATORY CONSIDERATIONS

Berol R648 NG is a commercial surfactant mixture rather than a single pure molecule.
Regulatory classification should therefore be based on the current product SDS and the concentration of the active component in the supplied product.
The principal active substance is associated with CAS Number 1554325-20-0 and EC Number 810-152-7.
Finished cleaning products require separate classification because dilution, caustic, acid, chelant, other surfactants and fragrance can change the hazard profile.
Disinfectant or biocidal claims require product-specific authorization and efficacy data and should not be inferred merely from the cationic nature of Berol R648 NG.
Food-contact, personal-care or pharmaceutical suitability should not be assumed from industrial cleaning use.
Ataman Chemicals can provide product-specific technical and safety documentation for commercial evaluation.

COMMON FORMULATION PROBLEMS

Alkaline cleaner becomes cloudy
Total electrolyte loading may exceed the hydrotropic capacity of the surfactant package. Reduce salt or caustic concentration, adjust nonionic surfactant or increase hydrotrope after compatibility testing.

Cleaner separates after adding sodium hydroxide
Caustic concentration or ionic strength is too high for the full formulation. Berol R648 NG tolerates strong alkali but cannot guarantee unlimited electrolyte compatibility.

Cleaner is clear before chelant addition but cloudy afterward
The chelant or its counterions have raised ionic strength. Rebalance surfactant ratio and dilution water.

Cloud point is too low
Increase hydrotropic support, select a more compatible nonionic surfactant or reduce electrolyte concentration.

Cloud point is high but cleaning is weak
Hydrotropy and detergency are different functions. Increase primary detergent strength or optimize builder and nonionic surfactant balance.

Grease removal is poor
Check nonionic partner, Berol R648 NG active level, alkalinity, temperature, contact time and mechanical action.

Heavy grease remains after dilution
The in-use active concentration may be too low. Evaluate a stronger concentrate or lower use dilution.

Foam is too high in machine cleaning
Other surfactants may be generating persistent foam. Use lower-foam nonionics or a compatible defoamer and test under recirculation.

Foam disappears too quickly in manual cleaning
Berol R648 NG has medium initial foam with rapid decay. Add a compatible foam-building surfactant if visual foam is required.

Anionic surfactant causes precipitate
Cationic-anionic complex formation is likely. Reduce the anionic component or redesign with nonionic/cationic surfactants.

Anionic formulation remains clear initially but fails later
Ion-pair formation can develop during aging or temperature cycling. Perform full storage testing.

Acid cleaner becomes hazy
Acid concentration, dissolved salts or nonionic surfactant clouding may be responsible. Test the complete acid-surfactant package.

Hydrochloric-acid cleaner attacks metal
Surfactant stability does not provide corrosion inhibition. Add an appropriate corrosion inhibitor and validate the substrate.

Caustic cleaner attacks aluminum
High-pH chemistry can dissolve aluminum regardless of surfactant. Reduce alkalinity or use a substrate-specific formulation.

Metal-cleaner residue affects painting
Cationic surfactant adsorption can influence surface energy if rinsing is inadequate. Improve rinsing and verify coating adhesion.

Cleaner leaves film on glass
Excess surfactant, hard-water salts or inadequate rinse can leave residue. Reduce active level and optimize chelation/rinse.

Vehicle cleaner dulls paint
Alkalinity or solvent intensity may be excessive. Reduce aggressiveness and test the finished cleaner on representative coatings.

Floor cleaner becomes slippery after drying
Residual surfactant level is too high or rinse is inadequate. Reduce dose and improve recovery.

Ready-to-use cleaner irritates skin
The final product hazard depends on all ingredients and dilution. Recalculate classification and reduce irritant components where possible.

Product color changes finished formulation
Berol R648 NG can have Gardner color up to the commercial limit. Reduce level or use a formulation where slight color is acceptable.

Viscosity rises during winter storage
Lower temperature increases surfactant viscosity. Warm gradually within approved limits and homogenize before pumping.

Product becomes hazy in cold storage
The product can become hazy near its low-temperature clear point. Warm and homogenize; verify against the product specification before use.

Concentrate freezes or stops flowing
Temperature has approached or fallen below the pour-point region. Restore temperature using controlled heating and verify homogeneity.

Water dilution creates temporary haze
Mixing order or localized high concentration can create transient structures. Add slowly with adequate agitation.

Berol R648 NG is compared directly with SXS by equal weight
The products provide different functions and active levels. Compare on active basis, cloud-point requirement and cleaning performance.

Hydrotrope addition raises cleaning unexpectedly
Berol R648 NG is not only a hydrotrope; it also contributes direct degreasing and surfactant activity.

Cleaning performance falls in hard water
Chelant or builder capacity may be insufficient. Increase hardness control rather than only surfactant dose.

Chelant-rich cleaner becomes too thin
Electrolytes can alter micelle structure and viscosity. Add rheology modifier or rebalance surfactants after stability testing.

Cleaner becomes too viscous
Surfactant interactions or electrolyte level may create structured phases. Adjust dilution, salt and surfactant ratios.

Disinfectant cleaner loses efficacy
Other surfactants or soil may interfere with the biocidal active. Do not infer antimicrobial efficacy from Berol R648 NG itself; validate the registered 
active system.

Customer asks for one molecular formula
Berol R648 NG is a formulated surfactant mixture containing homologous/ethoxylated active chemistry and water, so one fixed molecular formula is not appropriate.

Customer asks for one molecular weight
A single molecular weight is not appropriate for the commercial mixture or distributed ethoxylated active component.

Customer asks whether CAS 1554325-20-0 describes the entire product
CAS 1554325-20-0 identifies the principal active surfactant substance; Berol R648 NG as supplied is an aqueous commercial mixture.

Customer assumes 60% active means 60% nonvolatile solids
Active surfactant and total nonvolatile content are not always identical concepts. Use the current product specification for the parameter actually required.

Customer wants to remove water to make 100% active material
Do not concentrate the commercial product outside an approved process because viscosity, phase behavior and safety can change substantially.

Spent cleaning bath is discharged directly
Do not discharge concentrated surfactant or contaminated wash liquor without wastewater review. Ready biodegradability does not eliminate acute aquatic effects.

FREQUENTLY ASKED QUESTIONS

What is Berol R648 NG?
Berol R648 NG is a concentrated cationic surfactant based on alkyl polyglycol ether ammonium methyl chloride chemistry.

Is Berol R648 NG a pure substance?
No. It is an aqueous commercial surfactant mixture with approximately 60% active content and 39-41% water.

What is the principal active CAS Number?
1554325-20-0.

What is the principal active EC Number?
810-152-7.

Does Berol R648 NG have one molecular formula?
No. The commercial product and the distributed ethoxylated active chemistry should not be assigned one fixed molecular formula.

What is the active content?
Approximately 60%.

What is the water content?
Approximately 39-41%.

What is the pH?
Current specification is pH 6-9 for a 1% aqueous solution.

What is the density?
Approximately 1062 kg/m³ at 20°C.

What is the viscosity?
Approximately 210 mPa·s at 20°C in current characteristic data.

What is the pour point?
Approximately -17°C.

What is the flash point?
At least approximately 100°C in current product data.

Is Berol R648 NG soluble in water?
Yes.

Is Berol R648 NG soluble in ethanol?
Yes.

Is Berol R648 NG soluble in isopropyl alcohol?
Yes.

Is Berol R648 NG soluble in low-aromatic solvent?
Current product data describe it as insoluble.

What are the main functions?
Degreasing booster, hydrotrope, cosurfactant and alkali-stable surfactant.

Can Berol R648 NG be used in strong alkali?
Yes. Current technical guidance describes stability up to approximately pH 14 and with roughly 2-4% caustic depending on electrolyte loading.

Can Berol R648 NG be used in acid cleaners?
Yes. It is compatible with selected hydrochloric, phosphoric, methanesulfonic, citric and sulfamic acid formulations after complete-formula validation.

Is Berol R648 NG compatible with chelants?
Yes. It is positioned as compatible with common complexing agents used in cleaning.

Is Berol R648 NG compatible with nonionic surfactants?
Yes. Nonionic surfactants are important formulation partners.

Is Berol R648 NG compatible with cationic surfactants?
Yes, subject to complete-formulation testing.

Is Berol R648 NG compatible with anionic surfactants?
Compatibility is selective and should be tested because cationic-anionic ion pairs or precipitates can form.

Is Berol R648 NG high foaming?
It is characterized as medium foam with rapid foam decay in the referenced Ross-Miles test.

What is the surface tension?
Approximately 36 mN/m at 25°C for a 0.1% solution in current characteristic data.

Can Berol R648 NG be used in industrial degreasers?
Yes. Heavy-duty industrial degreasing is one of its principal applications.

Can Berol R648 NG be used in car wash products?
Yes, especially heavy-duty vehicle and traffic-film cleaning systems after substrate testing.

Can Berol R648 NG be used in metal cleaners?
Yes. It is suitable for alkaline and selected acidic metal-cleaning formulations with appropriate corrosion control.

Is Berol R648 NG readily biodegradable?
Available safety data for the principal active component describe it as readily biodegradable under an OECD 301D method.

What are the main handling hazards?
Accessible safety information identifies skin irritation and serious eye damage, and older product-specific SDS information also includes harmful-if-swallowed classification; the current supplied-grade SDS controls.

What documents should be checked before use?
Use the current Ataman Chemicals TDS, SDS and COA together with formulation-specific stability, performance and regulatory testing.

FINAL TECHNICAL SUMMARY

Berol R648 NG is a multifunctional cationic cleaning surfactant concentrate based on alkyl polyglycol ether ammonium methyl chloride chemistry.
The principal active substance is associated with CAS Number 1554325-20-0 and EC Number 810-152-7.
Berol R648 NG is an aqueous mixture rather than a pure discrete molecule, so one fixed molecular formula and molecular weight are not appropriate.

Current product data identify approximately 60% active content and 39-41% water.
The current pH specification is 6-9 for a 1% aqueous solution.
Characteristic values include density approximately 1062 kg/m³ at 20°C, viscosity approximately 210 mPa·s at 20°C, clear point and pour point around -17°C, and flash point at least 100°C.
Berol R648 NG is water soluble and soluble in ethanol and isopropyl alcohol while current data describe insolubility in low-aromatic solvent.
The principal functions are degreasing boost, hydrotropy, cosurfactancy and strong alkali stability.
Current technical guidance describes stability up to approximately pH 14 and with roughly 2-4% caustic depending on electrolyte level.
Berol R648 NG also performs in selected acid cleaning systems and is compatible with common cleaning chelants.
The product is compatible with nonionic and cationic surfactants while anionic compatibility is selective.

Key applications include all-purpose cleaning, hard-surface cleaning, industrial degreasing, caustic cleaners, metal cleaning, engine cleaning, vehicle cleaning, car wash, floor cleaning and acidic cleaning.
Technical formulation examples demonstrate effective use at low single-digit concentrations as supplied, but these examples should be optimized rather than copied universally.
Current characteristic foam data indicate medium initial foam with strong decay after five minutes, supporting use in many industrial cleaning operations.
Available safety information identifies important eye and skin hazards for the concentrate; the current supplied-grade SDS should control final classification.
Available data describe the principal active surfactant as readily biodegradable, but uncontrolled concentrated discharge should still be prevented.

For Berol R648 NG technical specifications, formulation support, cleaning-system compatibility, TDS, SDS, COA and commercial supply, contact Ataman Chemicals with the intended cleaning application, pH range, surfactant system, chelant/builder package and required packaging.

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