PRODUCTS

E1203 POLYVINYL ALCOHOL

E1203 Polyvinyl alcohol may be used as an adhesive during preparation of stool samples for microscopic examination in pathology.
In pharmaceuticals, E1203 Polyvinyl alcohol is widely used in tablet coatings, capsule formulations, ophthalmic solutions, controlled-release systems, and artificial tears.
The cosmetic industry uses E1203 Polyvinyl alcohol in peel-off masks, hair styling products, lotions, and emulsions because it provides film formation and texture enhancement.

CAS Number: 9002-89-5
EC Number: 209-183-3
Molecular Formula: (C2H4O)n
Molecular Weight: Variable polymeric molecular weight
Monomer Unit Weight: 44.05 g/mol

SYNONYMS:
PVOH, Poly(Ethenol), Ethenol, homopolymer, PVA, Polyviol, Vinol, Alvyl, Alcotex, Covol, Gelvatol, Lemol, Mowiol, Mowiflex, Alcotex, Elvanol, Gelvatol, Lemol, Nelfilcon A, Polyviol und Rhodoviol, ethenol homopolymer, ethenol, homopolymer, partially hydrolysed polyvinyl alcohol, poly(1-hydroxyethylene), poly(vinyl alcohol), polyethenol, polyvinyl alcohol 18/11, PVA, vinyl alcohol polymer, PVA, PVOH, E1203, Ethenol homopolymer, Polyviol, Vinol, Alvyl., Poly(vinyl alcohol), 618-340-9, Alcohol, Polyvinyl, DTXCID501766111, DTXSID4031930, Ethenol, homopolymer, Hypotears pf, LiquiTears, Liquifilm, Major LiquiTears, NSC108129, NSC727256, Polyalc, Polyvinyl Alcohol, Polyvinyl Alcohol Eye Drops 1,4 % w/v, Polyvinyl Alcohol, Unspecified, Polyvinyl alcohol (USP), Polyvinyl alcohol 1.4%, RefChem:929708, Rugby Polyvinyl Alcohol 1.4% Lubricating Eye Drops, Sno tears, Vinol, Vinol 523, Vis Guard Lubricant Eye Drops, 532B59J990, 9002-89-5, Alcotex 88/05, Alcotex 88/10, Alkotex, Alvyl, Aracet APV, CHEBI:17246, Cipoviol W 72, E-1203, Elvanol, GH 20, GL 02, GL 03, GM 14, Gohsenol GH 23, Gohsenol NM 114, Hydrolysed polyvinyl acetate, Hydrolyzed polyvinyl acetate, Ins-1203, Kuralon VP, Lemol, Mowiol, NM 14, Polydesis, Polyvinol, Poval 420, Rhodoviol, Vibatex S, Vinacol MH, Vinalak, Vinarol, Vinarol DT, Vinarol ST, Vinarole, Rugby Lubricating Drops, Alcotex 99/10, Covol, Covol 971, EP 160, Elvanol 5105, Elvanol 52-22, Elvanol 70-05, Elvanol 73125G, Elvanol T 25, Enbra OV, GLO 5, Gelvatol, Gelvatol 1-30, Gelvatol 2060, Gelvatol 2090, Gohsenol, Gohsenol AH 22, Gohsenol GH, Gohsenol GL 03, Gohsenol GL 08, Gohsenol GM 94, Gohsenol MG 14, Gohsenol N 300, Gohsenol NH 05, Gohsenol NH 17, Gohsenol NH 18, Gohsenol NH 20, Gohsenol NH 26, Gohsenol NK 114, Gohsenol NL 05, Gohsenol NM 14, Kurare PVA 205, Kurare Poval 1700, Kurate Poval 120, Lamephil OJ, Lemol 12-88, Lemol 16-98, Lemol 24-98, Lemol 30-98, Lemol 5-88, Lemol 5-98, Lemol 51-98, Lemol 60-98, Lemol 75-98, Lemol GF-60, M 13/20, NH 18, NM 11, PVA 008, PVAL 45/02, PVAL 55/12, PVS 4, Polysizer 173, Polyviol M 13/140, Polyviol MO 5/140, Polyviol W 25/140, Polyviol W 28/20, Polyviol W 40/140, Poval, Poval 117, Poval 120, Poval 1700, Poval 203, Poval 205, Poval 205S, Poval 217S, Poval C 17, Resistoflex, Rhodoviol 16/200, Rhodoviol 4/125, Rhodoviol R 16/20, Sumitex H 10, Vinavilol 2-98, 1E30GE2EF7, 2AVG41YG39, 660SZ0AKDA, 8K8B5SD7ZR, 949E52Z6MY, Alcotex 17F-H, BRY146A46V, C1MS7RRZ6L, Elvanol 50-42, Elvanol 51-05G, Elvanol 52-22G, Elvanol 522-22, Elvanol 71-30, Elvanol 90-50, FH 1500, FLORIL TEARS, Galvatol 1-60, Gelvatol 1-60, Gelvatol 1-90, Gelvatol 20-30, Gelvatol 3-91, Gtohsenol GL 05, I5O20161WH, J1DZU42714, Kurare 217, Kurare Poval 120, Mowiol 26-88, Mowiol N 30-88, Mowiol N 50-98, Mowiol N 50/88, Mowiol N 70-98, Poly(1-hydroxyethylene), Polyethenol, Polyvinyl alcohol 18/11, QP3MK8Z0XS, Rhodoviol 4-125P, Sloviol R, Tears, Liquifilm, Vinacol DT, Polyvinyl Alcohol, PVA, PVOH, Poly(vinyl alcohol), Vinyl Alcohol Polymer, Hydrolyzed Polyvinyl Acetate, Polyethenol, Polyvinol, Elvanol, Vinol, Gelvatol, Mowiol, Airvol

E1203 Polyvinyl alcohol is one of few water soluble polymers.
E1203 Polyvinyl alcohol is obtained through acid hydrolisis of poly(vinyl acetate).
E1203 Polyvinyl alcohol is a semi-crystalline chemical compound commercially produced from polyvinyl acetate hydrolysed by ester interchange in the presence of aqueous sodium hydroxide, anhydrous sodium methylate and methanol.

E1203 Polyvinyl alcohol appears in the form of a white powder.
E1203 Polyvinyl alcohol appears as odorless white to cream-colored granules or powder.
E1203 Polyvinyl alcohol is a water-soluble synthetic polymer obtained by polymerization of vinyl alcohol.

E1203 Polyvinyl alcohol has varying roles in commercial and industrial applications such as papermaking, textiles, and printing.
E1203 Polyvinyl alcohol is found in ophthalmic solutions as a lubricant to prevent irritation or to relieve dryness of the eyes.
E1203 Polyvinyl alcohol is a water-soluble synthetic polymer that is used for a wide variety of applications.

E1203 Polyvinyl alcohol is a polymer prepared from polyvinyl acetates by replacement of the acetate groups with hydroxyl groups.
E1203 Polyvinyl alcohol is a water-soluble synthetic polymer produced by hydrolysis of polyvinyl acetate.
E1203 Polyvinyl alcohol functions as a film-former, binder, and emulsion stabilizer across a broad range of industrial processes.

Approved as E1203 Polyvinyl alcohol in food-contact and pharmaceutical applications, it is a versatile material.
In textile sizing, E1203 Polyvinyl alcohol is applied to warp yarns to reduce breakage during weaving, then washed out cleanly after processing.
This clean removal is a critical factor for mills managing effluent compliance.

E1203 Polyvinyl alcohol is a fully synthetic substance.
E1203 Polyvinyl alcohol is a synthetic resin produced by chemical processing of polyvinyl acetate.
E1203 Polyvinyl alcohol is primarily found as a film coating on dietary supplements and tablets, and sometimes in pharmaceutical products.

E1203 Polyvinyl alcohol is a translucent, white or cream-colored powder without odor or taste.
Contrary to what the name might suggest, E1203 Polyvinyl alcohol has nothing to do with the alcohol you drink.
In daily practice, you only ingest E1203 Polyvinyl alcohol through the thin coating around supplements or tablets.

E1203 Polyvinyl alcohol is not used as a flavor enhancer, sweetener, or preservative.
Consequently, the amounts you ingest are very small.
Because its use is limited to coatings, E1203 Polyvinyl alcohol is unlikely that you will build up high exposure through multiple products simultaneously.

E1203 Polyvinyl alcohol has excellent film-forming, emulsifying and adhesive properties.
E1203 Polyvinyl alcohol is also resistant to oil, grease and solvents.
E1203 Polyvinyl alcohol has high tensile strength and flexibility, as well as high oxygen and aroma barrier properties.

However, these properties are dependent on humidity: water absorbed at higher humidity levels acts as a plasticiser, which reduces E1203 Polyvinyl alcohol's tensile strength, but increases its elongation and tear strength.
E1203 Polyvinyl alcohol (PVOH) is a water-soluble synthetic polymer.

E1203 Polyvinyl alcohol has the idealized formula [CH2CH(OH)]n.
E1203 Polyvinyl alcohol is colourless (white) and odorless.
E1203 Polyvinyl alcohol is commonly supplied as beads or as solutions in water.

Without an externally added crosslinking agent, E1203 Polyvinyl alcohol solution can be gelled through repeated freezing-thawing, yielding highly strong, ultrapure, biocompatible hydrogels which have been used for a variety of applications, such as vascular stents, cartilages, contact lenses, etc.
Packaging converters rely on E1203 Polyvinyl alcohol films for water-soluble pouches used in detergent unit-dose formats and agrochemical sachets.

This application highlights E1203 Polyvinyl alcohol's unique ability to dissolve completely in aqueous environments.
E1203 Polyvinyl alcohol is supplied as a white to cream powder or granules, with viscosity grade and degree of hydrolysis being the primary specification parameters.

Standard grades include fully hydrolyzed and partially hydrolyzed variants.
E1203 Polyvinyl alcohol is a water-soluble synthetic polymer used in the food industry mainly as a coating agent and bulking agent.
E1203 Polyvinyl alcohol is obtained by polymerization of vinyl acetate followed by partial or complete hydrolysis of the acetate group to alcohol.

The result is a linear polymer with hydroxyl groups that confer water solubility and film-forming ability.
E1203 Polyvinyl alcohol is a white or slightly yellowish, odorless solid with a melting point around 200°C and a density of 1.19-1.31 g/cm³.
E1203 Polyvinyl alcohol's main function in foods is to act as a protective coating for dietary supplements, tablets, and capsules, improving their resistance to moisture and extending their shelf life.

E1203 Polyvinyl alcohol is a well-established polymer in the pharmaceutical industry.
Due to its unique properties, E1203 Polyvinyl alcohol is used in various applications.
The most widely used applications are tablet coating and wet granulation, but E1203 Polyvinyl alcohol also plays an important role in solubility enhancement, transdermal patches and emulsions.

E1203 Polyvinyl alcohol 05 fine is a water soluble synthetic polymer.
E1203 Polyvinyl alcohol is synthetized by polymerization of vinylacetate and subsequent partial hydrolysis.
E1203 Polyvinyl alcohol molecular structure, e1203, ball and stick 3d model, structural chemical formula with colored atoms.

E1203 Polyvinyl alcohol is a tasteless, odorless, water-soluble, edible polymer used as a coating for tablets.
The coating it forms makes the tablets resistant to environmental influences (e.g. moisture), thus preserving the active ingredients.
E1203 Polyvinyl alcohol is a synthetic polymer that is highly versatile and widely used in various industrial applications.

E1203 Polyvinyl alcohol is known for its excellent film-forming, emulsifying, and adhesive properties, making it an essential material in multiple industries.
E1203 Polyvinyl alcohol forms a transparent, adhesive, and moisture-impermeable film on the surface of a substance.
This is why E1203 Polyvinyl alcohol is used as a coating agent for sweeteners and certain food supplements.

To date, no adverse effects have been reported.
The European Food Safety Authority (EFSA) has not established an acceptable daily intake (ADI) given the limited uses permitted for this additive.
E1203 Polyvinyl alcohol is an inherently biodegradable water-soluble polymer.
Special E1203 Polyvinyl alcohol grades are even approved for application in the food and feed sector.

For instance, in certain regions E1203 Polyvinyl alcohol can be used as a glazing agent in food supplement tablets or as a carrier in animal feed premixtures.
E1203 Polyvinyl alcohol is a film coating agent, also used in the pharmaceutical industry for coating tablets and capsules.

E1203 Polyvinyl alcohol is a chemically produced polymer, and its physical and chemical properties depend on the degree of polymerization and hydrolysis.
E1203 Polyvinyl alcohol is only permitted for use in food supplements in the form of capsules and tablets.

USES and APPLICATIONS of E1203 POLYVINYL ALCOHOL:
E1203 Polyvinyl alcoholhas extensive industrial applications due to its multifunctional properties.
E1203 Polyvinyl alcohol is used as a film-forming material in film-coated agents.
E1203 Polyvinyl alcohol is used as emulsifiers and emulsification stabilizers in o/w emulsions due to its good suspending effect.

E1203 Polyvinyl alcohol is used as binder in tablets and granules.
E1203 Polyvinyl alcohol is a synthetic water-soluble polymer widely used in food, pharmaceutical, cosmetic, textile, paper, adhesive, and industrial applications.

E1203 Polyvinyl alcohol is produced by the hydrolysis of polyvinyl acetate rather than direct polymerization of vinyl alcohol, because vinyl alcohol itself is unstable.
E1203 Polyvinyl alcohol is valued for its excellent film-forming ability, adhesive strength, emulsifying properties, chemical resistance, and biodegradability under suitable conditions.

In the food industry, E1203 Polyvinyl alcohol is mainly used as a glazing agent, coating material, stabilizer, and packaging component.
E1203 Polyvinyl alcohol forms transparent, flexible, and oxygen-resistant films that help protect food products and improve shelf life.
In the food industry, E1203 Polyvinyl alcohol is used as a glazing agent and edible coating material.

E1203 Polyvinyl alcohol creates protective films on confectionery products, dietary supplements, and capsules.
E1203 Polyvinyl alcohol is also utilized in food packaging materials because of its oxygen barrier properties.
E1203 Polyvinyl alcohol is used as a wood adhesive and sealer.

E1203 Polyvinyl alcohol is used in a variety of medical applications because of its biocompatibility, low tendency for protein adhesion, and low toxicity.
Specific uses of E1203 Polyvinyl alcohol include cartilage replacements, contact lenses, laundry detergent pods and eye drops.
E1203 Polyvinyl alcohol is used as an aid in suspension polymerizations.

Its largest application in China is its use as a protective colloid to make E1203 Polyvinyl alcoholc dispersions.
In Japan its major use is the production of Vinylon fiber.
This fiber is also manufactured in North Korea for self-sufficiency reasons, because no oil is required to produce E1203 Polyvinyl alcohol.

Another application of E1203 Polyvinyl alcohol is photographic film.
E1203 Polyvinyl alcohol is characterized by high resistance to oils and fats and the ability to form films with excellent clarity and elasticity.
Thanks to these properties, E1203 Polyvinyl alcohol is used in the food, pharmaceutical and cosmetic industries.

In the food industry, E1203 Polyvinyl alcohol is mainly used as an ingredient in packaging that comes into direct contact with food, offering an excellent protective barrier against oxygen and moisture.
E1203 Polyvinyl alcohol is distinguished by its excellent adhesion to various surfaces, forming durable and transparent coatings.

E1203 Polyvinyl alcohol is also non-toxic, making it safe for food contact.
Thanks to its resistance to solvents and chemicals, E1203 Polyvinyl alcohol is ideal for applications requiring long-term protection.
E1203 Polyvinyl alcohol is primarily used in the production of food packaging, such as films and protective coatings, which require a high barrier against oxygen and moisture to keep the product fresh.

E1203 Polyvinyl alcohol can also be used as an auxiliary agent in the production of certain types of food, where it acts as a carrier for additives.
E1203 Polyvinyl alcohol-based polymers are used widely in additive manufacturing.
For example, 3D printed oral dosage forms demonstrate great potential in the pharmaceutical industry.

It is possible to create drug-loaded tablets with modified drug-release characteristics where E1203 Polyvinyl alcohol is used as a binder substance.
Application of E1203 Polyvinyl alcohol: Component of glues, coatings, fiber appreture.
E1203 Polyvinyl alcohol is also used as a paint stabilizer, pharmaceutical thickener and for production of protective gloves, films, plates fibers and oil-resistant pipes.

E1203 Polyvinyl alcohol is present in eye drops as an active ingredient.
Medically, E1203 Polyvinyl alcohol-based microparticles have received FDA 510(k) approval to be used as embolisation particles to be used for peripheral hypervascular tumors.

E1203 Polyvinyl alcohol may also used as the embolic agent in a Uterine Fibroid Embolectomy (UFE).
In biomedical engineering research, E1203 Polyvinyl alcohol has also been studied for cartilage, orthopaedic applications, and potential materials for vascular graft.

E1203 Polyvinyl alcohol is used as a pharmaceutic aid and ophthalmic lubricant as well as in the manufacture of surface coatings artificial sponges, cosmetics, and other products.
E1203 Polyvinyl alcohol is commonly used in household sponges that absorb more water than polyurethane sponges.

Paper and board manufacturers use E1203 Polyvinyl alcohol as a surface sizing agent and pigment binder to improve printability and surface strength during the production cycle.
E1203 Polyvinyl alcohol may be used as an adhesive during preparation of stool samples for microscopic examination in pathology.

In pharmaceuticals, E1203 Polyvinyl alcohol is widely used in tablet coatings, capsule formulations, ophthalmic solutions, controlled-release systems, and artificial tears.
E1203 Polyvinyl alcohol functions as a stabilizer, binder, emulsifier, and film former.

The cosmetic industry uses E1203 Polyvinyl alcohol in peel-off masks, hair styling products, lotions, and emulsions because it provides film formation and texture enhancement.
E1203 Polyvinyl alcohol may only be used in dietary supplement tablets and capsules (max. 18 g/kg).

Pharmaceuticals : E1203 Polyvinyl alcohol has a viscous consistency and due to this characteristic is used in film coatings of capsules, tablets and others.
E1203 Polyvinyl alcohol is also used as a bulking agent in low-calorie products and as a stabilizer in some beverages.
In paper and textile manufacturing, E1203 Polyvinyl alcohol acts as a sizing agent, coating polymer, strengthening additive, and adhesive.

Due to its special properties, E1203 Polyvinyl alcohol can be used in a wide variety of different applications.
Textile fibers are often coated with E1203 Polyvinyl alcohol during weaving to improve durability.
In the food industry, E1203 Polyvinyl alcohol is mainly used as an ingredient in packaging that comes into direct contact with food, offering an excellent protective barrier against oxygen and moisture.

In construction, E1203 Polyvinyl alcohol is a key binder in tile adhesives, cement renders, and gypsum-based compounds.
E1203 Polyvinyl alcohol effectively controls rheology and improves adhesion to substrates, ensuring long-term structural integrity for building materials.
E1203 Polyvinyl alcohol is distinguished by its excellent adhesion to various surfaces, forming durable and transparent coatings.

E1203 Polyvinyl alcohol can also be used as an auxiliary agent in the production of certain types of food, where it acts as a carrier for additives.
The adhesive industry uses E1203 Polyvinyl alcohol in glues, wood adhesives, paper bonding agents, and packaging adhesives due to its strong binding capacity.

E1203 Polyvinyl alcohol is used in papermaking, textile warp sizing, as a thickener and emulsion stabilizer in polyvinyl acetate (E1203c) adhesive formulations, in a variety of coatings, and 3D printing.
E1203 Polyvinyl alcohol is also important in industrial applications including water-soluble films, biodegradable packaging materials, 3D printing support materials, membrane production, and emulsion polymerization processes.

-Polyvinyl acetals use of E1203 Polyvinyl alcohol:
Polyvinyl acetals are prepared by treating E1203 Polyvinyl alcohol with aldehydes.
Butyraldehyde and formaldehyde afford polyvinyl butyral (PVB) and polyvinyl formal (PVF), respectively.
Preparation of polyvinyl butyral is the largest use for E1203 Polyvinyl alcohol in the US and Western Europe.

BENEFITS AND USES of E1203 POLYVINYL ALCOHOL:
Water-Soluble Polymer:
E1203 Polyvinyl alcohol is highly soluble in water, which makes it suitable for various applications where solubility is required.

Film-Forming:
E1203 Polyvinyl alcohol is renowned for its excellent film-forming properties, making it ideal for creating thin, strong, and flexible films used in packaging, coatings, and more.

Adhesive:
Due to its strong adhesive properties, E1203 Polyvinyl alcohol is commonly used in the manufacturing of adhesives and glues for both industrial and consumer products.

Emulsifier:
E1203 Polyvinyl alcohol acts as an effective emulsifier, helping to stabilize mixtures of oil and water in various formulations, including cosmetics and pharmaceuticals.

Coating:
E1203 Polyvinyl alcohol is used in coatings to provide a protective and glossy finish to surfaces, enhancing the durability and appearance of the coated materials.

Textile Sizing:
In the textile industry, E1203 Polyvinyl alcohol is used as a sizing agent to strengthen yarns and improve the weaving process, resulting in higher-quality fabrics.

Paper Manufacturing:
E1203 Polyvinyl alcohol is employed in paper manufacturing to improve the strength, flexibility, and smoothness of paper products, making them more durable and versatile.

Packaging:
E1203 Polyvinyl alcohol is utilized in packaging applications for its ability to create biodegradable and water-soluble films, contributing to environmentally friendly packaging solutions.

WHAT E1203 POLYVINYL ALCOHOL IS USED FOR AND WHERE
E1203 Polyvinyl alcohol is a synthetic polymer that, thanks to some interesting features, makes it widely usable in medical, industrial, food applications.
E1203 Polyvinyl alcohol is non-toxic, soluble in water, biocompatible and biodegradable in human tissues, insoluble in most organic solvents and has excellent gas barrier properties.
E1203 Polyvinyl alcohol is found in cleaning products, cosmetics, food packaging, agriculture, construction, water treatment, pharmaceuticals, soft contact lenses, wound dressing, etc.

Food
It is an ingredient listed in the European food additives list as E1203 Polyvinyl alcohol with the function of preserving the integrity of ingredients that may degrade with moisture, oxygen or other environmental components.
E1203 Polyvinyl alcohol has the function of masking odours and flavours.

Cosmetics
Film-forming agent.
E1203 Polyvinyl alcohol produces a continuous ultra-thin film with an optimal balance of cohesion, adhesion and stickiness on the skin or hair to counteract or limit damage from external phenomena such as chemicals, UV rays and pollution.

Viscosity control agent.
E1203 Polyvinyl alcohol controls and adapts viscosity to the required level for optimal chemical and physical stability of the product and dosage in gels, suspensions, emulsions, solutions.

Medical
Guided tissue regeneration (GTR) is a promising treatment for periodontal tissue defects, which generally uses a membrane to build a mechanical barrier from the gingival epithelium and hold space for the periodontal regeneration especially the tooth-supporting bone.

E1203 POLYVINYL ALCOHOL AND ITS FUNCTIONS IN FOOD
As a food additive, E1203 Polyvinyl alcohol plays a key role in ensuring the long-term freshness and quality of food products by protecting them from external agents.
Thanks to its barrier and stabilizing properties, E1203 Polyvinyl alcohol is indispensable in modern food packaging technologies.

PRODUCTION of E1203 POLYVINYL ALCOHOL:
E1203 Polyvinyl alcohol is a synthetic resin that is chemically produced from vinyl acetate.

CHEMICAL AND PHYSICAL PROPERTIES of E1203 POLYVINYL ALCOHOL:
E1203 Polyvinyl alcohol is hygroscopic, colorless, odorless, stretch resistant.
E1203 Polyvinyl alcohol is impermeable to oxygen and odors.
E1203 Polyvinyl alcohol is partly biodegradable, showcasing high biocompatibility.

FUNCTIONS (INCI) of E1203 POLYVINYL ALCOHOL:
Film forming :
E1203 Polyvinyl alcohol produces a continuous film on skin, hair or nails
Viscosity controlling :
E1203 Polyvinyl alcohol increases or decreases the viscosity of cosmetics

E1203 POLYVINYL ALCOHOL IS PRESENT IN:
E1203 Polyvinyl alcohol is present in 0.58% of cosmetics.
Anti-blemish patches (19%)
Anti-blemish mask (15.8%)
Cream / gel mask (10.61%)
Mascara (9.8%)
Face scrub (2.88%)

BENEFITS OF E1203 E1203 POLYVINYL ALCOHOL
One major benefit of E1203 Polyvinyl alcohol is its excellent film-forming capability.
The films are transparent, flexible, odorless, and resistant to oils and solvents.
This makes E1203 Polyvinyl alcohol highly useful for food coatings and packaging technologies.
Another advantage is E1203 Polyvinyl alcohol's strong adhesive performance combined with relatively low toxicity and good biocompatibility.

Because of these properties, E1203 Polyvinyl alcohol is widely accepted in pharmaceutical and biomedical applications.
E1203 Polyvinyl alcohol also provides excellent oxygen barrier protection under dry conditions, helping preserve product freshness and stability.
E1203 Polyvinyl alcohol is versatile, chemically stable, and compatible with many industrial formulations.
Certain grades also demonstrate partial biodegradability and environmentally favorable characteristics compared to some conventional plastics.

CHARACTERISTICS OF E1203 E1203 POLYVINYL ALCOHOL
E1203 Polyvinyl alcohol is characterized by its water solubility, excellent film-forming capacity, flexibility, and strong adhesive behavior.
E1203 Polyvinyl alcohol forms smooth, transparent films with high tensile strength and strong resistance to oils and greases.
E1203 Polyvinyl alcohol's oxygen barrier performance is especially valuable in food packaging and coating technologies.
The properties of E1203 Polyvinyl alcohol vary according to molecular weight and degree of hydrolysis.

Fully hydrolyzed grades have greater water resistance and crystallinity, while partially hydrolyzed grades dissolve more easily in cold water and offer better flexibility.
E1203 Polyvinyl alcohol is non-ionic and chemically stable under many normal industrial conditions.
E1203 Polyvinyl alcohol also demonstrates good emulsifying and suspending abilities.

ADDITIONAL TECHNICAL INFORMATION of E1203 POLYVINYL ALCOHOL:
E1203 Polyvinyl alcohol is manufactured through hydrolysis or alcoholysis of polyvinyl acetate.
The degree of hydrolysis strongly affects solubility, viscosity, crystallinity, flexibility, and film performance.
E1203 Polyvinyl alcohol contains hydroxyl groups along its chain structure, giving it hydrophilic behavior and strong hydrogen bonding capacity.

These hydroxyl groups are responsible for many of its adhesive and film-forming properties.
Different commercial grades are available with varying molecular weights and hydrolysis levels for specialized industrial applications.
Because the substance is polymeric, E1203 Polyvinyl alcohol's exact molecular weight is not fixed and depends on polymerization conditions and commercial grade

PREPARATION of E1203 POLYVINYL ALCOHOL:
Unlike most vinyl polymers, E1203 Polyvinyl alcohol is not prepared by polymerization of the corresponding monomer, since the monomer, vinyl alcohol, is thermodynamically unstable with respect to its tautomerization to acetaldehyde.
Instead, E1203 Polyvinyl alcohol is prepared by hydrolysis of polyvinyl acetate, or sometimes other vinyl ester-derived polymers with formate or chloroacetate groups instead of acetate.

The conversion of the polyvinyl esters is usually conducted by base-catalysed transesterification with ethanol:
[CH2CH(OAc)]n + C2H5OH → [CH2CH(OH)]n + C2H5OAc
The properties of the polymer are affected by the degree of transesterification.
Worldwide consumption of E1203 Polyvinyl alcohol was over one million metric tons in 2006.

STRUCTURE AND PROPERTIES of E1203 POLYVINYL ALCOHOL:
E1203 Polyvinyl alcohol is an atactic material that exhibits crystallinity.
In terms of microstructure, it is composed mainly of 1,3-diol linkages [−CH2−CH(OH)−CH2−CH(OH)−], but a few percent of 1,2-diols [−CH2−CH(OH)−CH(OH)−CH2−] occur, depending on the conditions for the polymerization of the vinyl ester precursor.

PHYSICAL and CHEMICAL PROPERTIES of E1203 POLYVINYL ALCOHOL:
Chemical formula: (C2H4O)x
Density: 1.19–1.31 g/cm3
Melting point: 200 °C (392 °F; 473 K)
Refractive index (nD): 1.477 @ 632 nm
CAS Number: 9002-89-5
Other(deleted CASRN):: 106442-33-5
FDA UNII:: 532B59J990
MDL:: MFCD00081922
Formula:: (C2 H4 O)x-
Appearance:: white to cream powder (est)

Assay:: 95.00 to 100.00
Food Chemicals Codex Listed:: No
Soluble in: water
alcohol, very slightly
water, 1e+006 mg/L @ 25 °C (est)
E Number: E1203
CAS Number: 9002-89-5
EC Number: 209-183-3
Molecular Formula: (C2H4O)n
Molecular Weight: Variable polymeric molecular weight

Monomer Unit Weight: 44.05 g/mol
Chemical Type: Synthetic polymer
Appearance: White or cream-colored powder/granules
Physical State: Powder, granules, or flakes
Color: White to cream-colored
Odor: Odorless
Taste: Tasteless
Molecular Structure: Linear synthetic polymer
Solubility in Water: Soluble in hot water
Solubility in Cold Water: Partial to moderate depending on hydrolysis degree
Solubility in Organic Solvents: Generally insoluble

Density: Approximately 1.19–1.31 g/cm³
Melting Point: Approximately 180–230 °C (decomposes)
Boiling Point: Decomposes before boiling
pH: Typically 5.0–7.0 in aqueous solution
Viscosity: Variable depending on molecular weight
Film Forming Ability: Excellent
Adhesive Properties: Strong
Emulsifying Properties: Good
Oxygen Barrier Property: Excellent when dry

Transparency: High transparency in films
Flexibility: Good film flexibility
Hygroscopicity: Moderately hygroscopic
Thermal Stability: Moderate
Chemical Stability: Stable under normal conditions
Biodegradability: Partial biodegradable behavior
Surface Activity: Protective colloid properties
Compatibility: Compatible with many polymers and additives
Flash Point: Not easily flammable

FIRST AID MEASURES of E1203 POLYVINYL ALCOHOL:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of E1203 POLYVINYL ALCOHOL:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of E1203 POLYVINYL ALCOHOL:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of E1203 POLYVINYL ALCOHOL:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of E1203 POLYVINYL ALCOHOL:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of E1203 POLYVINYL ALCOHOL:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available