Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol

Model NO.
tech grade
Material
Polyester
Classification
Room Curing
Main Agent Composition
Natural Polymer
Characteristic
Weatherability
Promoter Composition
Curing Agent
Composition
Organic Material
Color
White
Delivery
15days
Loading Port 2
Shanghai
Loading Port
Qigdao
M G
44.05256
Store
Dry and Cool Place
Transport Package
25kg/Bag
Specification
tech grade
Trademark
JK
Origin
China
HS Code
39053000
Production Capacity
1000mt/Month
Reference Price
$ 2.70 - 13.50
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Product Description

  Product Introduction of polyvinyl alcohol  

 
Name alcohol/PVA
Molecular formula (C2H4O)n
Molecular Weight 44.05
Appearance white flake, floc or poPolyvinyl wdered
Odor Odorless
CAS NO. 9002-89-5
Melting point 200ºC
Density 1.19-1.31g/cm³
Standard Q/SXHB.3002-2013
Water solubility Soluble in water (above 95 ºC), 
  • Polyvinyl alcohol is a type of thermoplastic and an important chemical raw material.
  • The polyvinyl alcohol can not be prepared from the monomeric vinyl alcohol and can only be prepared only by partial  or full hydrolysis
  • of the polyvinyl acetate.
  • The specific process is that the polyvinyl acetate is prepared by reacting with methanol under the action of alkali.

Specification

Executive Standard:Q/SXHB.3002-2013
Model Hydrolysis degree Purity Viscosity
Mpa.s 		Volatile PH Ash NaAc
05-88 87.0-89.0% ≥93.5% 4.5-6.0 ≤5.0% 5-7 ≤0.4%  
17-88 87.0%-89.% ≥93.5% 21.0-29.0 ≤5.0% 5-7 ≤0.4%  
20-88 87.0%-89.% ≥93.5% 29.1-44.0 ≤5.0% 5-7 ≤0.3%  
24-88 87.0%-89.% ≥93.5% 48.0-59.9 ≤5.0% 5-7 ≤0.3%  
26-88 87.0%-89.% ≥93.5% ≥60.0 ≤5.0% 5-7 ≤0.3%  
17-92 90.0-94.0% ≥93.5% 28.0-34.0 ≤5.0% 5-7 ≤0.4%  
17-99 99.3-100.0% ≥94.0% 23.0-33.0 ≤5.0% 5-7 ≤0.7% ≤1.5%
17-99L 98.2-98.8% ≥94.0% 28.0-32.0 ≤5.0% 5-7 ≤0.7% ≤1.5%
20-99 99.3-100.0% ≥94.0% 45.1-55.0 ≤5.0% 5-7 ≤0.7% ≤1.5%
24-99 99.3-100.0% ≥94.0% 65.0-78.0 ≤5.0% 5-7 ≤0.7% ≤1.5%
26-99 99.3-100.0% ≥94.0% 78.1-82 ≤5.0% 5-7 ≤0.7% ≤1.5%
26-99C 99.3-100.0% ≥94.0% ≥83.0 ≤5.0% 5-7 ≤0.7% ≤1.5%

3.Uses
1)Paper sizing agent
2)Textile sizing agent
3)Adhesive
4)Raw material of polyvinl alcohol and PVA film
5)Paint
6)Coating
7)Emulgator and dispersing agent
8)Medicine
9)Cosmetic and functional materials

Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol

 
Poly(vinyl alcohol) Basic information
Air & Water Reactions Fire Hazard Health Hazard Reactivity Profile Chemical properties Uses
Product Name: Poly(vinyl alcohol)
Synonyms: Polydesis;Polysizer 173;Polyvinol;Polyviol;Polyviol M 13/140;Polyviol MO 5/140;Polyviol W 25/140;Polyviol W 28/20
CAS: 9002-89-5
MF: C2H4O
MW: 44.05256
EINECS: 209-183-3
Product Categories: Polyvinyl Alcohol Resins;Hydrophilic Polymers;Materials Science;Polymer Science;Polymers;Vinyl Alcohols;Resin;Polyvinyl alcohol resin series
Mol File: 9002-89-5.mol
 
 
Poly(vinyl alcohol) Chemical Properties
Melting point  >300 °C
Boiling point  -14.5°C (rough estimate)
density  1.30
refractive index  1.3810 (estimate)
Fp  79°C
storage temp.  Store below +30°C.
solubility  H2O: soluble (hot)
form  Powder
color  White to cream
PH 3.5-7.0 (40g/l, H2O, 20ºC)
Water Solubility  soluble in hot water
Merck  14,7585
Stability: Stable. Combustible. Dust may form explosive mixtures with air. Incompatible with strong oxidizing agents.
NIST Chemistry Reference Polyvinyl alcohol(9002-89-5)
EPA Substance Registry System Polyvinyl alcohol (9002-89-5)
 
Safety Information
Hazard Codes  Xn
Risk Statements  23/24/25-36/38-39/23/24/25-68/20/21/22-20/21/22
Safety Statements  26-36/37-45-24/25
WGK Germany  1
RTECS  TR8100000
Autoignition Temperature 450 °C
TSCA  Yes
HS Code  39053000
Hazardous Substances Data 9002-89-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 20000 mg/kg
 
 
 
Poly(vinyl alcohol) Usage And Synthesis
Air & Water Reactions Water soluble.
Fire Hazard This chemical is combustible. The dusts of this chemical are a slight explosion hazard when exposed to flame. (NTP, 1992)
Chemical properties Polyvinyl alcohol is a hydrolysis product of polyvinyl acetate, rather than by the polymerization of monomers; the molecular backbone contains . The specific gravity of this product 1.25 to 1.35 and the melting point is 212 ~ 267 ºC. It is soluble in hot water and hot dimethyl sulfoxide. Animal experiments show that polyvinyl alcohol, without stimulation, causes no significant toxicity upon subcutaneous, intramuscular, intravenous injection. Polyvinyl alcohol resin products appear as white solid with the appearance of sub-floc, granular and powder; it is non-toxic, tasteless, non-polluting and is soluble in water of 80--90 ºC. Its aqueous solution has good adhesiveness and film-forming property; it can resist most organic solvents such as oils, lubricants and hydrocarbons; it has long-chain polyol esterification, etherification, acetalization and other chemical properties.
Uses It is mainly used in the textile industry, as the raw materials of warp pulp, fabric finishing agent, vinylon fiber; interior and exterior wall paint of the building, adhesives; chemical industry use it as a polymerization emulsifier, dispersant and polyvinyl formal, acetal, butyrate aldehyde resin; paper industry use it as a paper binder; agriculture use it as soil improvers, pesticide adhesion synergist and polyvinyl alcohol film; it can also be used for daily cosmetics and high-frequency quenching agent and so on.
Chemical Properties white or cream solid
Chemical Properties Polyvinyl alcohol occurs as an odorless, white to cream-colored granular powder.
Uses In the plastics industry in molding Compounds, surface coatings, films resistant to gasoline, textile sizes and finishing compositions; can be compounded to yield elastomers to be used in manufacture of artificial sponges, fuel hoses, etc., also in printing inks for plastics and glass, in pharmaceutical finishing, cosmetics, water-sol film and sheeting. Pharmaceutic aid (viscosity increasing agent); ophthalmic lubricant.
Definition ChEBI: A homopolymer macromolecule obtained by polymerisation of vinyl alcohol.
Production Methods Polyvinyl alcohol is produced through the hydrolysis of polyvinyl acetate. The repeating unit of vinyl alcohol is not used as the starting material because it cannot be obtained in the quantities and purity required for polymerization purposes. The hydrolysis proceeds rapidly in methanol, ethanol, or a mixture of alcohol and methyl acetate, using alkalis or mineral acids as catalysts.
Brand name Liquifilm Tears (Allergan).
Pharmaceutical Applications Polyvinyl alcohol is used primarily in topical pharmaceutical and ophthalmic formulations. It is used as a stabilizing agent for emulsions (0.25-3.0% w/v). Polyvinyl alcohol is also used as a viscosity-increasing agent for viscous formulations such as ophthalmic products. It is used in artificial tears and contact lens solutions for lubrication purposes, in sustained-release formulations for oral administration, and in transdermal patches. Polyvinyl alcohol may be made into microspheres when mixed with a glutaraldehyde solution.
Industrial uses Polyvinyl alcohol is a tough, whitish polymerthat can be formed into strong films, tubes, andfibers that are highly resistant to hydrocarbonsolvents. Although polyvinyl alcohol is one ofthe few water-soluble polymers, it can be renderedinsoluble in water by drawing or by theuse of cross-linking agents.
Safety Profile Questionable carcinogen with experimental carcinogenic and tumorigenic data by implant route. Flammable when exposed to heat or flame; can react with oxidizing materials. Slight explosion hazard in the form of dust when exposed to flame. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Polyvinyl alcohol is generally considered a nontoxic material. It is nonirritant to the skin and eyes at concentrations up to 10%; concentrations up to 7% are used in cosmetics.
Studies in rats have shown that polyvinyl alcohol 5% w/v aqueous solution injected subcutaneously can cause anemia and infiltrate various organs and tissues.
(mouse, oral): 14.7 g/kg
(rat, oral): >20 g/kg
storage Polyvinyl alcohol is stable when stored in a tightly sealed container in a cool, dry place. Aqueous solutions are stable in corrosionresistant sealed containers. Preservatives may be added to the solution if extended storage is required. Polyvinyl alcohol undergoes slow degradation at 100°C and rapid degradation at 200°C; it is stable on exposure to light.
Incompatibilities Polyvinyl alcohol undergoes reactions typical of a compound with secondary hydroxy groups, such as esterification. It decomposes in strong acids, and softens or dissolves in weak acids and alkalis. It is incompatible at high concentration with inorganic salts, especially sulfates and phosphates; precipitation of polyvinyl alcohol 5% w/v can be caused by phosphates. Gelling of polyvinyl alcohol solution may occur if borax is present.
Regulatory Status Included in the FDA Inactive Ingredients Database (ophthalmic preparations and oral tablets). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.
 
Poly(vinyl alcohol) Preparation Products And Raw materials



Packing&Shipping 

Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol
FAQ
Q1.What's the payment terms?
We could accept T/T, L/C, DP payment terms.

Q2.How about the different index of products in same application?
Specifications can be customized according to your application.

Q3.How about the samples of products?
We can provide free samples under 2Kg(not including freight charge).

Q4.How about the price of products?
Our products are chemical synthesis got from underground brine, which is available for a variety of usage. Our products are high  purity with good quality, and the price is based on different specification and quantity.

Q5.What's the shelf life for the cargoes?
Our product's shelf life is 2 years, which is based on dry and ventilated storage.

Q6.What's the package of the cargoes?
20kg/25kg woven bags, within plastic bags, or as customized.

Q7.What's the delivery time?
We usually deliver the cargoes within 10~20 days after receiving customer's payment or original L/C.

Q8.Which documents can we supply?
Commercial Invoice, Packing List, Certificate of Analysis, Certificate of Origin (FORM E), Bill of Loading, ISO etc.
The documents will be sent by Express within 24 hours against your full payment.

Q9.Why do you choose us?
We accept safe and diversified payment terms.
We supply a price trend to ensure clients know marketing information in time. We will take charge of 100% responsibility for
quality issue. We strive to create value for each customer we serve by meeting their unique needs and providing solutions to solve their problems and achieve their objectives.




Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol Polyvinyl Alcohol CAS No. 9002-89-5 PVA Poly Vinyl Alcohol

 

 

Adhesive