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Polaprezinc
Poly(vinyl alcohol) (PVA) CAS 9002-89-5 - Image 2
Poly(vinyl alcohol) (PVA) CAS 9002-89-5 - Image 3
Poly(vinyl alcohol) (PVA) CAS 9002-89-5 - Image 4
  1. Polaprezinc
  2. Poly(vinyl alcohol) (PVA) CAS 9002-89-5 - Image 2
  3. Poly(vinyl alcohol) (PVA) CAS 9002-89-5 - Image 3
  4. Poly(vinyl alcohol) (PVA) CAS 9002-89-5 - Image 4

Poly(vinyl alcohol) (PVA) CAS 9002-89-5

CAS: 9002-89-5
Molecular Formula: C2H4O
Molecular Weight: 44.05256
Appearance: White solid powder
EINECS: 209-183-3
Product Categories: Organic chemistry

Synonyms: POLYVINYLALCOHOL2000; Polyvinylalcohol,86-89%hydrolyzed,mediummolecularweight; Polyvinylalcohol,98-99%hydrolyzed,mediummolecularweight; Polyvinylalcohol,98-99%hydrolyzed,hiChemicalbookghmolecularweight; Poly(vinylAlcohol)n=1750+/-50; Poly(vinylAlcohol)n(=:)2,000(degree’sofsaponificationca.80mol%); POLYVINYLALCOHOL98-99%HYDROLYZED; POLYVINYLALCOHOL99%POWDER

Poly(vinyl alcohol) (PVA) CAS 9002-89-5
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What Is Poly(vinyl alcohol) (PVA) CAS 9002-89-5?

Poly(vinyl alcohol) (PVA) CAS 9002-89-5 is a water-soluble synthetic polymer. It can be coating agent; lubricant; solubilizer; tackifier.

Specification

ITEM STANDARD RESULT
Appearance White solid powder Qualified
Viscosity  21.0～33.0 28
PH value 5.0～8.0 6.7
Degree of hydrolysis% 85～89 89
Loss on drying% ≤5.0 Qualified
Burning residue% ≤1.0 Qualified
Water insoluble impurity% ≤0.1 Qualified
Methanol and methyl acetate% ≤1.0 Qualified
Acid value% ≤3.0 Qualified
Heavy metal ≤10ppm Qualified
Assay% 85.0%～115.0% Qualified

Application

1. Application in pharmaceutical preparations or preparation processes:
2. Polyvinyl alcohol is mainly used in topical and ophthalmic preparations;.
3. Polyvinyl alcohol can be used as a stabilizer in emulsions.
4. Polyvinyl alcohol is also used as a tackifier in viscous preparations such as ophthalmic products.
5. Polyvinyl alcohol is used for lubrication in artificial tears and contact lens solutions, and is also used in oral sustained-release preparations and transdermal patches.
6. Polyvinyl alcohol can also be mixed with glutaraldehyde solution to form microspheres.

Package

25kg/drum

Poly(vinyl alcohol) (PVA) CAS 9002-89-5 package

Poly(vinyl alcohol) (PVA) CAS 9002-89-5
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