Cas no for 9002-89-5,Poly(vinyl alcohol) ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 9002-89-5

9002-89-5

[CAS Name] Poly(vinyl alcohol)

[Formula] (C2H4O)n

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Basica Info

[CAS Name]Poly(vinyl alcohol)
[Alias]PVA; polyvinyl alcohol 28-99; polyvinyl alcohol 3-98; polyvinyl alcohol 18-88; polyvinyl alcohol standard 200000; polyvinyl alcohol 15000; polyvinyl alcohol 22000; polyvinyl alcohol 49000; polyvinyl alcohol 72000; polyvinyl alcohol 100000; MOWIOL 4-88; poly(1-hydroxyethylene); POLYVINYL ALCOHOL (PVA); Polyvinyl alcohol (Release agent); POLYVINYLIC ALCOHOL; Vinyl alcohol - polymerised; Polyvinyl alcohol
[Number]9002-89-5
[EINECS]
[Formula](C2H4O)n
[Molecular weight]

9002-89-5 Suppliers

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Changzhou Comwin Fine Chemicals Co., Ltd.

Polyvinyl Alcohol 17-88

Chemical Name	Polyvinyl Alcohol 17-88 PVA 17-88
CAS Number	9002-89-5
Molecular Formula	(C2H4O)n
Molecular Structure
Packing	25kg/Drum
Capacity	130000tons/Year
Storage	Keep container tightly closed in a dry and well-ventilated place.
Application	Polyvinyl alcohol (PVA) is a water-soluble polymer with a wide range of uses. PVA can be quickly dissolved in water to form a stable colloid. It is widely used in the production of coatings, adhesives, paper processing agents, emulsifiers,,dispersion Agents, films and other products.

SPECIFICATION

Items	Specification
Appearance	White flakes
Hydrolysis(mol%)	86.5- 89
Viscosity(mpa.s)	20.5- 24.5
Volatile(wt%)	0- 5
Ash(wt%)	0- 0.70
PH	5- 7
Standard	In- House

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Changzhou Comwin Fine Chemicals Co., Ltd.

Polyvinyl Alcohol 24-88

Chemical Name	Polyvinyl Alcohol 24-88 PVA 24-88
CAS Number	9002-89-5
Molecular Formula	(C2H4O)n
Molecular Structure
Packing	25kg/Drum
Capacity	130000tons/Year
Storage	Keep container tightly closed in a dry and well-ventilated place.
Application	Polyvinyl alcohol (PVA) is a water-soluble polymer with a wide range of uses. PVA can be quickly dissolved in water to form a stable colloid. It is widely used in the production of coatings, adhesives, paper processing agents, emulsifiers,,dispersion Agents, films and other products.

SPECIFICATION

Items	Specification
Appearance	White flakes
Hydrolysis(mol%)	86.5- 89.0
Viscosity(mpa.s)	27-33
Volatile(wt%)	0- 5
Ash(wt%)	0- 0.70
PH	5- 7
Standard	In- House

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Jiangxi Alpha Hi-Tech Pharmaceutical Co., Ltd.

Name: Polyvinyl Alcohol

CAS No.: 9002-89-5

Package: 5kg/bag, 20kg/drum

Appearance:

White to yellowish powder or translucent granule.

Medium soluble in ethanol, slightly soluble in acetone, almost insoluble in acetone.

The solubility of PVA XY -88 model is good in hot water and cold water.

Quality Standard: CHP 2020; USP43-NF38; EP10.0; GB31630-2014

Features:

Prepared by alcoholysis of polyvinyl acetate in methanol solution by adding alkali solution.

The M. F. is (CH2CHOH) n (CH2CHOCOCH3) m, where ‘m + n’ represents the average degree of polymerization, and m/n should be 0~0.35. The average M. W. shall be 20000 ~ 220000.

There are many types of polyvinyl alcohol according to the degree of polymerization and alcoholysis. The naming rule is "polyvinyl alcohol xy-mn", where xy represents average degree of polymerization and mn represents degree of alcoholysis.

Our company mainly produces models with alcoholysis degree of 88%, including 03-88, 05-88, 17-88, 24-88, 50-88 models, and other models can be customized if necessary.

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