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E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a complex synthetic material called polyvinyl alcohol-polyethylene glycol graft copolymer, created by chemically attaching polyethylene glycol branches onto a polyvinyl alcohol backbone.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer used as a coating agent and stabilizer.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a synthetic co‐polymer that consists of approximately 75% PVA units and 25% PEG units.
CAS number: 96734‐39‐3
EC Number: Not assigned / Not available
Molecular Formula: (C₂H₄O)n
Molecular weight: 40,000–50,000 g/mol
Synonyms: Macrogol poly(vinyl alcohol) grafted co-polymer; poly(ethan-1,2-diol-graft-ethanol); ethenol, polymer with oxirane, graft (CA Index name); oxirane, polymer with ethanol, graft (CA Index name); ethylene oxide-vinyl alcohol graft co-polymer, Macrogol-poly(vinyl alcohol) graft-copolymer, Kollicoat IR, Polyvinyl alcohol-polyethylene glycol graft-copolymer, Macrogol-poly(vinyl alcohol) graft-copolymer, Polyvinyl alcohol-polyethylene glycol copolymer, PVA-PEG copolymer
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is entirely synthetic and made from petroleum-derived starting materials, so it doesn't involve animal or plant sources, making it compatible with vegetarian, vegan, halal, and kosher dietary requirements.
Like other coating polymers, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is designed to pass through your digestive system largely unchanged and unabsorbed.
Regulatory authorities have assessed E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's safety for use in pharmaceutical and food applications, though it's more commonly found in medicinal products than in everyday foods.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a synthetic, branched, graft co-polymer consisting of approximately 75 % PVA and 25 % PEG units.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is primarily intended for use in aqueous instant-release film coatings in the preparation and formulation of food supplement products.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a synthetic coating agent used exclusively on solid food supplement tablets and capsules.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer forms a smooth, protective film that makes them easier to swallow and helps control how quickly the contents dissolve.
The low viscosity of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer even at higher solid contents in aqueous solutions, improves processing time and saves cost.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a spray dried powder of a high flowability recognizable by an angle of repose below 30°.
The grafted E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer acts as a plasticizer, and hence provides a greater flexibility of films without additional plasticizers.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer films with iron oxide red pigment are effective against transmission of light and meets the European pharmacopeia’s requirement of colored light protecting glass containers.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer has been used as an instant release coating polymer of soluble and insoluble drugs.
The unique coating property with a greater film flexibility, as often required for coatings, stems from the polyethylene glycol moiety that is grafted with E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer moieties via covalent linkages.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer does not require a plasticizer, improves coating time and saves cost, and enables stronger adherence to a variety of tablets surfaces comprised of MCC, lactose, starch and wax as compared to cellulosic coating polymers14-16.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is also used as a pore former in coatings.
With additional 40% PVA (PEG-PVA/PVA), E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer provides an extraordinary moisture barrier for highly sensitive APIs.
Surprisingly, gastroretentive and floating tablets can be formulated based on E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is compatible to pharmaceutically accepted pigments, and hence, is used in PVA-based coating systems for SODF.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer exhibits an excellent binding characteristic upon granulation in both fluid bed and high shear granulation processes.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a multifunctional excipient used as a pill binder as well as a wet binder.
A typical formulation of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is composed of 25% polyethylene glycol (PEG) and 75% polyvinyl alcohol (PVA); where the vinyl alcohol moieties are grafted on a polyethylene glycol backbone.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a compound comprising 75% of polyvinyl alcohol (PVA) and 25% of polyethylene glycol (PEG).
The compound is hydrophilic in nature and freely water-soluble polymer.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is mainly used in construction and pharmaceutical sector.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer gives an excellent moisture protection and in pharmaceutical it is used for giving the solid dispersion to drug.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer also works as coloring agent and flavoring agent since, it has low binding property with molecule.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is used for providing the film coating to the skin; many dermatologists are using this technique.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer acts as plasticizer and provides a better flexibility of films.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a non-toxic, non-irritating and has good water solubility with high organic compatibility.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer provides an excellent resistant property to oil and solvents.
Polyvinyl alcohol-polyethylene glycol graft copolymer (E1209) is a graft copolymer in which polyethylene glycol (PEG) chains are chemically bonded to a polyvinyl alcohol (PVA) backbone.
This unique structure combines the film-forming properties of PVA with the plasticizing and humectant properties of PEG.
The result is a polymer with improved flexibility, water solubility and biocompatibility compared to pure PVA.
E1209 is primarily used as a film-forming coating for tablets and capsules in the pharmaceutical and dietary supplement industries.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer creates films that are more flexible and less brittle than traditional PVA films, which is particularly valuable for products that require flexible packaging or for tablets that may be subjected to mechanical stress.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is one ofthemost importantvinyllinearpolymers.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer has excellentfilmforming, emulsifying,resistant to oil, and adhesive properties.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is odorless and nontoxic.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer has high tensile strength and flexibility, aswell as highoxygen and aroma barrier properties.
The water, which acts as a plasticiser, reduces E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's tensile strength, but increasesits elongation and tear strength.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is fully degradable and is a quick dissolver in water.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer has a melting point of 230°C and 180-190°C for the fully hydrolysed and partially hydrolysed grades.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer decomposes rapidly above 200°C asit can undergo pyrolysis at high temperatures.
Applications of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is mainly used as a film-forming coating agent for solid food supplements, especially tablets and capsules.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer forms a smooth, water-soluble protective film around the dosage form, improving swallowability, appearance, and surface protection.
Official food-additive sources describe it as a glazing agent, aqueous film coating agent, stabilizer, and binder for tablets used in food supplement formulations.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is also applied in instant-release coating systems for pharmaceutical and nutraceutical solid dosage forms.
Because E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is based on polyvinyl alcohol and polyethylene glycol, it provides flexible films without requiring an additional plasticizer, which helps reduce brittleness during tablet handling and packaging.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer can be used as a binder and wet binder in tablet granulation processes.
In this role, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer helps powders adhere together during fluid-bed or high-shear granulation, improving tablet strength and processing performance.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer, is useful for instant-release coating and peroxide-free binding in solid oral dosage forms.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is used as a pore former and film former in coating systems.
In pharmaceutical formulation, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer can help create controlled coating structures, support drug layering, and improve the performance of sustained-release or multiparticulate dosage forms.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer functions as binder, coating agent, film former, pore former, and wet-granulation excipient.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is useful in pigmented coating systems because it is compatible with pharmaceutically accepted pigments and can support high pigment loading.
This makes E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer suitable for colored tablet or capsule coatings where visual identification, opacity, light protection, and smooth coating quality are important.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is used as a film coating agent for food supplement products.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer acts as a glazing agent in aqueous film coating systems for tablets used in food supplements.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is used as a stabilizer in tablet formulations for food supplements. It helps maintain the uniform structure and performance of coated supplement tablets.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer functions as a binder in tablet preparation and formulation. It supports tablet integrity and helps the formulation remain compact and stable during handling.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is intended for aqueous instant-release film coatings used in food supplements. Regulation text describes its use in instant-release coatings for food supplement tablets.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer helps protect food supplement tablets against unpleasant tastes and odours. This makes coated tablets more acceptable to consumers.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer improves the appearance of tablets by forming a smooth and uniform coating layer. It can also give tablets a more distinctive and finished surface.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer makes tablets easier to swallow by creating a smooth film coating around the tablet surface. This is especially useful for solid food supplement tablets.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer protects sensitive active ingredients inside food supplement tablets. The coating layer helps separate the active ingredients from external effects during handling and storage.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is mainly used in capsule and tablet form for food supplements.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer may be used in capsule-type food supplement applications where a glazing or stabilizing function is required.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's approved food category is food supplements.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is suitable for water-based film coating systems.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is intended for aqueous instant-release film coatings, which means it can be applied without relying mainly on organic solvent-based coating systems.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer forms a uniform coating film on tablet surfaces.
This coating supports product appearance, swallowability, and protection of sensitive ingredients.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is listed as a food additive with the E number E1209.
Codex GSFA identifies E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer under functional classes such as glazing agent and stabilizer.
Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is used as an instant-release coating polymer in pharmaceutical tablet applications. Pharmaceutical sources describe PEG-PVA graft copolymer as primarily used as an instant-release coating polymer.
Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer can also be evaluated as a wet binder in pharmaceutical formulations. It is especially relevant where low or no peroxide binder systems are needed for sensitive active pharmaceutical ingredients.
Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer may be used as a coating agent or binder in pharmaceutical product forms. Patent literature also describes polyvinyl alcohol-polyether graft copolymers as coating agents or binders in pharmaceutical dosage forms.
Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer-related graft copolymers may also be associated with packaging material and cosmetic, dermatological, or hygiene preparations in technical patent contexts.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer dissolves rapidly in acidic, neutral, and alkaline aqueous media.
This property makes it suitable for instant-release coating systems.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer has low viscosity in aqueous systems. This supports easier preparation and application of coating dispersions.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is described as extremely flexible. This flexibility helps the coating film remain smooth and functional on tablet surfaces.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer consists approximately of 75% vinyl alcohol units and 25% ethylene glycol units. The PVA part contributes film-forming performance, while the PEG part contributes flexibility and dissolution behavior.
E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer is a synthetic graft copolymer used for controlled technical functions in coated supplement tablets.
Advantages of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer:
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer provides excellent film-forming performance for tablets and capsules.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's PVA-PEG graft structure helps create smooth, flexible, and less brittle films, which improves coating quality and reduces cracking during handling, packaging, and storage.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is officially used as a glazing agent, aqueous film coating agent, stabilizer, and binder for food supplement tablets.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer has good water solubility and low viscosity, even at relatively high solid contents.
This makes coating solutions easier to prepare and process, helping improve coating speed, reduce processing time, and support more efficient production.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is suitable for instant-release coatings because of its low viscosity, flexibility, and strong coating performance.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer can provide flexible films without the need for an additional plasticizer.
The polyethylene glycol part of the E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer gives internal plasticizing behavior, while the polyvinyl alcohol part contributes film strength and surface protection.
This combination makes the E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer coating more resistant to brittleness compared with ordinary PVA-based films.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer also offers strong adhesion and binding performance on different tablet surfaces. It can be used as a binder or wet binder in granulation, helping improve powder cohesion, tablet strength, and manufacturing consistency.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is especially valuable in solid oral dosage forms where coating, binding, and rapid dissolution are needed together.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer can support protective and functional coating systems.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer may improve moisture protection in PVA-based coating systems, work as a pore former, and show compatibility with pharmaceutically accepted pigments.
Pigmented films of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer can also help improve opacity and light protection for sensitive ingredients.
Features of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer:
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is described as a graft copolymer consisting of “approximately 75% vinyl alcohol units and 25% ethylene glycol units.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is used as a glazing agent (aqueous film coating), stabilizer and binder.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's use as a film coating agent for food supplement products.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is robust, yet flexible PVA-PEG graft copolymer used for functional applications such as instant-release coating and peroxide-free binding.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is very readily soluble in water.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's application possibilities are linked to excellent film-forming properties, enormous flexibility, low viscosity, good adhesion and rapid dissolution.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer acts as a plasticizer and provides greater flexibility of films without additional plasticizers.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer has white to faintly yellow powder
Properties of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Chemical formula: (C2H4O)m-(C2H4O)n-(C2H4O)p
Molar mass: Variable
Solubility in water: >30%
Solubility in organic solvents: Insoluble
Physical form: Powder
Colour: Colourless
Odour: Almost odourless
Polymer type: Hydrophilic, freely water-soluble polymer
Composition: Approximately 75% vinyl alcohol units and 25% ethylene glycol units
Specific property: Extremely flexible, low viscosity, and rapidly soluble in acidic, neutral, and alkaline aqueous media
Thermal decomposition: ≥ 140 °C
Volatility: Non-volatile solid
Viscosity: Dynamic and kinematic viscosity are not applicable because the product is a solid
Partition coefficient: Not applicable for mixtures
CAS Number: 121786-16-1
Synonyms: Ethylene glycol and vinyl alcohol graft copolymer; Macrogol poly(vinyl alcohol) grafted co-polymer
Production of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is produced by using polyethylene glycol and vinyl acetate as the main starting materials.
In the first stage, polyethylene glycol forms the main polymer backbone, while vinyl acetate is grafted onto this PEG chain.
This creates a polyvinyl acetate-grafted polyethylene glycol intermediate.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is produced from polyethylene glycol and vinyl acetate, and the PEG backbone carries grafted polyvinyl acetate chains.
After the grafting stage of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer, the polyvinyl acetate side chains are hydrolyzed.
During hydrolysis reaction, acetate groups in the grafted polyvinyl acetate chains are converted into hydroxyl-containing vinyl alcohol units.
As a result, the final polymer becomes a E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer.
Production of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer can be described as grafting vinyl acetate onto polyethylene glycol, followed by hydrolysis of the resulting poly(ethylene glycol)-poly(vinyl acetate) graft copolymer.
The main chemical reaction in the production of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is therefore a two-step polymer modification process.
The first reaction is graft polymerization, where vinyl acetate units attach to the PEG backbone.
The second reaction is hydrolysis, where polyvinyl acetate side chains are transformed into polyvinyl alcohol side chains.
This chemical transformation gives the E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer its hydrophilic character, water solubility, film-forming ability, and flexibility.
Polyethylene glycol + Vinyl acetate → PEG-graft-polyvinyl acetate
PEG-graft-polyvinyl acetate + Hydrolysis → PEG-graft-polyvinyl alcohol
In the final structure, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer contains approximately 75% vinyl alcohol units and 25% ethylene glycol units.
This means that E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is mainly composed of PVA-type segments, while PEG acts as the structural backbone.
The PVA part of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer contributes film strength, adhesion, and coating stability, while the PEG part improves flexibility, water solubility, and plasticizing behavior.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a graft copolymer of ethylene glycol and vinyl alcohol, with these approximate unit proportions.
From a chemical-reaction point of view, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is not a small reactive molecule but a synthetic branched polymer.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's important reactions occur mainly during manufacture rather than during normal use.
In food supplement tablets and capsules, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is mainly used as an aqueous film coating, stabilizer, and binder.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer's use as a glazing agent, stabilizer, and binder for tablets in food supplements is not of safety concern when used according to good manufacturing practice.
In the finished food supplement product, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is intended to act physically rather than chemically.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer forms a coating layer on the tablet or capsule surface instead of reacting with the active ingredients.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is primarily intended for aqueous instant-release film coatings and that it is readily soluble in water, acids, and bases, so it should not interfere with the release of tablet ingredients.
E1209 may contain small residual impurities from its manufacturing process, such as vinyl acetate-related residues or other low-level process impurities.
This is why regulatory specifications are important for E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer.
In practical formulation, E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer does not usually require an additional plasticizer because the PEG portion acts as an internal plasticizing segment.
The covalent grafting of PVA chains onto the PEG backbone gives E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer flexible film properties.
E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a hydrophilic, freely water-soluble polymer composed of 25% PEG and 75% PVA, where vinyl alcohol units are grafted onto a PEG backbone.
Stability and Reactivity of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Reactivity:
No hazardous reactions are expected if stored and handled as prescribed.
E1209 is not expected to be corrosive to metals.
Chemical stability:
E1209 is stable under normal storage and handling conditions.
Possibility of hazardous reactions:
Dust formation may create a dust explosion hazard.
Hazardous polymerization is not expected.
Conditions to avoid:
Avoid dust formation.
Avoid electrostatic charge.
Avoid heat.
Open flames.
Sparks.
Ignition sources.
Excessive moisture.
Incompatible materials:
Strong oxidizing agents.
Hazardous decomposition products:
No hazardous decomposition products are expected if stored and handled properly.
Thermal decomposition or fire may produce carbon oxides.
Harmful vapors.
Irritating fumes.
Handling and Storage of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Handling:
Handle according to good industrial hygiene and safety practice.
Avoid dust formation.
Avoid breathing dust.
Avoid contact with eyes.
Skin.
Clothing.
Ventilation:
Provide local exhaust ventilation if dust is formed.
Use mechanical ventilation in poorly ventilated areas.
Fire and explosion protection:
Prevent electrostatic charge.
Keep away from heat.
Sparks.
Open flames.
Ignition sources.
Storage:
Keep container tightly closed.
Store in a dry place.
Store in a cool and well-ventilated area.
Storage protection:
Protect from moisture.
Keep away from strong oxidizing agents.
Keep away from incompatible materials.
First Aid Measures of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Inhalation:
Move the person to fresh air.
Keep the person calm and at rest.
If breathing discomfort occurs.
Seek medical attention if symptoms persist.
Skin contact:
Remove contaminated clothing if necessary.
Wash affected skin thoroughly with soap and water.
Get medical attention if irritation persists.
Eye contact:
Rinse immediately with plenty of water for at least 15 minutes.
Keep eyelids open while rinsing.
Remove contact lenses if present and easy to do.
Get medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Give water to drink if the person is conscious.
Do not induce vomiting.
Never give anything by mouth to an unconscious person.
Seek medical attention if the person feels unwell.
Firefighting Measures of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Suitable extinguishing media:
Water spray.
Carbon dioxide.
Foam.
Dry powder.
Dry chemical.
Fire hazards:
E1209 has a low fire hazard under normal conditions.
Dust may form explosive mixtures with air under certain conditions.
Thermal decomposition may produce carbon oxides.
Harmful vapors.
Irritating fumes.
Firefighting instructions:
Use extinguishing media suitable for the surrounding fire.
Fight fire from a safe distance.
Cool exposed containers with water spray.
Avoid inhalation of dust.
Vapors.
Smoke.
Combustion products.
Protective equipment:
Firefighters should wear full protective clothing.
Self-contained breathing apparatus.
Additional information:
Dispose of fire debris and contaminated extinguishing water according to official regulations.
Accidental Release Measures of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Personal precautions:
Avoid direct contact with the spilled material.
Avoid dust formation.
Avoid breathing dust.
Use suitable PPE.
Ensure adequate ventilation.
Environmental precautions:
Prevent entry into drains.
Surface water.
Ground water.
Soil.
Sewage systems.
Small spills:
Contain with dust-binding material.
Sweep up carefully.
Avoid raising dust.
Collect the material in a suitable closed container for disposal.
Large spills:
Stop the release if it can be done safely.
Sweep or shovel up the material.
Dike or contain the spilled material for later disposal.
Keep unnecessary personnel away from the area.
Dispose of waste according to local regulations.
Exposure Controls / Personal Protective of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Engineering controls:
Use local exhaust ventilation or mechanical ventilation.
Especially where dust may form.
Provide suitable workplace ventilation.
Respiratory protection:
Use suitable respiratory protection if dust is formed.
Use a particle filter respirator if ventilation is inadequate.
Hand protection:
Wear chemical-resistant protective gloves.
Use compatible protective gloves suitable for the work conditions.
Eye protection:
Wear safety glasses with side shields.
Use chemical safety goggles if dust exposure is possible.
Skin/body protection:
Wear suitable protective clothing.
Wear closed work clothing.
Choose body protection according to the level of exposure.
Hygiene measures:
Handle according to good industrial hygiene and safety practice.
Do not eat.
Drink.
Smoke while handling.
Wash hands before breaks.
Wash hands at the end of work.
Wash contaminated clothing before reuse.
Store work clothing separately.
Identifiers of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
CAS No.: 121786-16-1
Alternative CAS No.: 96734-39-3
Molecular Formula: Not fixed
Structural Composition: Approximately 75% vinyl alcohol units and 25% ethylene glycol units
InChIKeys: Not applicable for a polymeric graft copolymer
Molecular Weight: 40,000–50,000 Da
Weight-Average Molecular Weight: 40,000–50,000 g/mol
Exact Mass: Not applicable for polymeric material
EC Number: Not clearly assigned in official food additive sources
E Number: E1209
INS Number: 1209
Chemical Name: Polyvinyl alcohol-polyethylene glycol-graft-co-polymer
Alternative Chemical Name: Poly(ethylene glycol)-graft-poly(vinyl alcohol)
Categories: Polymer, Food additive, Glazing agent, Stabilizer, Binder for tablets
Properties of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Molecular Formula: Not fixed
Molar Mass: 40,000–50,000 g/mol
Molecular Weight: 40,000–50,000 Da
Appearance: White to faintly yellow powder
Physical Form: Powder
Color: White to pale yellow
Odor: Not specifically defined in official specifications
Taste: Not specifically defined in official specifications
Composition: Approximately 75% vinyl alcohol units and 25% ethylene glycol units
Solubility in Water: Freely soluble
Solubility in Dilute Acids: Freely soluble
Solubility in Dilute Alkali Hydroxides: Freely soluble
Solubility in Ethanol: Practically insoluble
Solubility in Acetic Acid: Practically insoluble
Solubility in Acetone: Practically insoluble
Solubility in Chloroform: Practically insoluble
pH Value: 5.0–8.0
Ester Value: 10–75 mg KOH/g
Dynamic Viscosity: 50–250 mPa·s
Film Formation: Forms a transparent film after drying
Loss on Drying: Not more than 5%
Sulphated Ash: Not more than 2%
Vinyl Acetate: Not more than 20 mg/kg
Acetic Acid / Total Acetate: Not more than 1.5%
Ethylene Glycols: Not more than 400 mg/kg
Monoethylene Glycol and Diethylene Glycol: Not more than 400 mg/kg singly or in combination
1,4-Dioxane: Not more than 10 mg/kg
Ethylene Oxide: Not more than 0.2 mg/kg
Arsenic: Not more than 3 mg/kg
Lead: Not more than 1 mg/kg
Mercury: Not more than 1 mg/kg
Cadmium: Not more than 1 mg/kg
Storage Condition: Store in a cool, dry, and well-ventilated place
Functional Property: Film-forming polymer
Functional Property: Flexible coating former
Functional Property: Water-soluble coating material
Functional Property: Instant-release film coating polymer
Specifications of E1209 Polyvinyl Alcohol-Polyethylene Glycol-Graft-Co-Polymer:
Definition: Polyvinyl alcohol-polyethylene glycol-graft-co-polymer is a synthetic co-polymer that consists of approximately 75% PVA units and 25% PEG units.
CAS Number: 96734-39-3
Alternative CAS Number: 121786-16-1
Chemical Name: Polyvinyl alcohol-polyethylene glycol-graft-co-polymer
Alternative Chemical Name: Poly(ethylene glycol)-graft-poly(vinyl alcohol)
Weight-Average Molecular Weight: 40,000–50,000 g/mol
Description: White to faintly yellow powder
Functional Uses: Glazing agent
Functional Uses: Binder for tablets
Functional Uses: Stabilizer
Main Application: Film coating agent for food supplement products
Food Category: Food supplements in solid form, including capsules and tablets
Identification of E1209 Polyvinyl alcohol-polyethylene glycol-graft-co-polymer:
Solubility: Freely soluble in water
Solubility: Freely soluble in dilute acids
Solubility: Freely soluble in dilute solutions of alkali hydroxides
Solubility: Practically insoluble in ethanol
Solubility: Practically insoluble in acetic acid
Solubility: Practically insoluble in acetone
Solubility: Practically insoluble in chloroform
IR Spectrum: Must comply
Film Formation: A transparent film is formed after drying
pH Value: 5.0–8.0
Ester Value: 10–75 mg KOH/g
Dynamic Viscosity: 50–250 mPa·s
