PVPP (USP25) - PHARMACEUTICALS

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.