Product Name: Polyvinylpyrrolidone K90
CAS No.: 9003-39-8
Molecular Formula: (C6H9NO)n
Specifications:
Appearance(25â??): White to yellowish-white powder or flakes
Color(APHA 5% In Solution): 60max
K Value(1% Solution In Water): 88 ~ 96
Water(K. Fischer): 5.0%max
Vinylpyrrolidone: 0.01% max
pH Value(10% Solution In Water): 4.0 ~ 9.0
Shelf Life: 24 months if stored in unopened original containers and protected from light at max.25
Packaging: 1kg net in aluminum foil bag, 25kg net in fibre drum.