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

CAS:9002-89-5

Molecular Formula:C2H4O

Molecular Weight:44.05256

EINECS:209-183-3

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

Leave Your Message

Product Detail

Download

Product Tags

What is Poly(vinyl alcohol) with CAS 9002-89-5?

Polyvinyl alcohol is a water-soluble synthetic polymer. Poly(vinyl alcohol) 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

Application in pharmaceutical preparations or preparation processes:

Polyvinyl alcohol is mainly used in topical and ophthalmic preparations;.

Polyvinyl alcohol can be used as a stabilizer in emulsions.

Polyvinyl alcohol is also used as a tackifier in viscous preparations such as ophthalmic products.

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.

Polyvinyl alcohol can also be mixed with glutaraldehyde solution to form microspheres.