PVPP
SYNONYM: CROSPOLYVIDONE, INSOLUBLE POLYVINYLPYRROLIDONE
FORMULA: (C6H9NO)n
CAS NO.: 25249-54-1
GRADE: USP25
DESCRIPTION: WHITE TO YELLOWISH FREE FLOWING POWDER, HYGROSCOPIC,
ODORLESS OR WITH A FAINT CHARACTERISTIC ODOR, INSOLUBLE IN WATER, ALKALI, ACID
AND COMMON ORGANIC SOLVENTS, EASILY SWELLABLE IN WATER WITHOUT FORMING GELS.
SPECIFICATIONS:
LOSS ON DRYING(60min, 140℃ VACUUM) |
5%MAX |
SOLUBLE COMPONENTS |
1.5%MAX |
MONOMERS |
0.1%MAX |
PH OF 1% SOLUTION |
5.0-8.0 |
HEAVY METALS |
10PPM MAX |
NITROGEN |
12.0-12.8% |
SULFATE ASH |
0.2%MAX |
USES: USED IN PHARMACEUTICALS.