POLYVINYLPYRROLIDONE

SYNONYM: PVP; POLY(1-VINYL-2-PYRROLIDONE); POVIDONE

FORMULA: (C6H9NO)n

CAS NO.: 9003-39-8

GRADE: USP26 K25

DESCRIPTION: WHITE TO YELLOWISH-WHITE FREEFLOWING HYGROSCOPIC POWDER OR CLEAR AQUEOUS SOLUTION, WITH A FAINT CHARACTERISTIC ODOR, FREELY SOLUBLE IN ETHANOL AND IN METHANOL, SLIGHTLY SOLUBLE IN ACETONE.

SPECIFICATIONS:

APPEARANCE (AT 25℃)

WHITE OR YELLOWISH-WHITE POWDER

IDENTIFICATION TEST

MEETS ID TESTS

K VALUE

23-27

MOISTURE

5.0% MAX.

PH VALUE (5% IN WATER)

3-7

N-VINYLPYRROLIDONE

0.1% MAX.

RESIDUE ON IGNITION

0.1% MAX.

NITROGEN

11.5-12.8%

HEAVY METALS (AS Pb)

10PPM MAX.

ACETALDEHYDE

0.05% MAX.

HYDRAZINE

1PPM MAX.

PEROXIDES (AS H2O2)

400 MAX.

 

USES: A VERSATILE POLYMER FOR PHARMACEUTICAL AUXILIARIES.

PACKING: 25KG/DRUM