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