Poly(vinyl alcohol) [MW ~ 25,000]
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Poly(vinyl alcohol) [MW ~ 25,000]
CAS Number: 9002-89-5
Water-soluble resins of low toxicity. Resins at high % hydrolysis require heating at ~96°C in water for solution. Resins of lower % hydrolysis can be dissolved at progressively lower temperatures with 88% hydrolyzed resin requiring only 85°C for solution.
Soluble in: hot glycerol, hot glycols, hot water.
98 mol% hydrolyzed
Molecular Weight: ~25,000
Melting Point: >220°
Tg: 85°
Density: 1.29
Viscosity: 4% AQ cps = 5.5-6.0%
TSCA
Hazards:
Irritant
Handling: Gloves & fume hood
Storage: Store at room temperature
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