PVP/VA
SYNONYM: VINYLPYRROLIDONE/VINYLACETATE COPOLYMER, COPOLYVIDONE
FORMULA: (C6H9NO)n*(C4H6O2)m
CAS NO.: 25086-89-9
DESCRIPTION: WHITE OR YELLOWISH-WHITE FREE-FLOWING, HYDROSCOPIC
POWDER OR CLEAR SOLUTION, WITH A FAINT CHARACTERISTIC ODOR.
SPECIFICATIONS:
|
PVP/VA |
K-VALUE |
NVP, % |
WATER, % |
SOLID, % |
PH IN 10% SOLUTION |
DILIVERY |
|
73W |
28±4 |
0.2MAX |
Ca.50 |
50±2 |
4-7 |
IN WATER |
|
73I |
28±4 |
0.2MAX |
0.5MAX |
50±2 |
- |
IN 2-PROPANOL |
|
73E |
34±4 |
0.2MAX |
0.5MAX |
50±2 |
- |
IN ETHANOL |
|
64Pdr |
30±4 |
0.2MAX |
0.5MAX |
95MIN |
4-7 |
POWDER |
|
64W |
30±4 |
0.2MAX |
Ca.50 |
50±2 |
4-7 |
IN WATER |
|
64I |
28±4 |
0.2MAX |
0.5MAX |
50±2 |
- |
IN 2-PROPANOL |
|
64E |
33±3 |
0.2MAX |
0.5MAX |
50±2 |
- |
IN ETHANOL |
|
55I |
25±3 |
0.1MAX |
0.5MAX |
50±2 |
- |
IN 2-PROPANOL |
|
55E |
28±4 |
0.1MAX |
0.5MAX |
50±2 |
- |
IN ETHANOL |
|
37I |
25±3 |
0.1MAX |
0.5MAX |
50±2 |
- |
IN 2-PROPANOL |
|
37E |
30±4 |
0.1MAX |
0.5MAX |
50±2 |
- |
IN ETHANOL |
|
28I |
19±3 |
0.1MAX |
0.5MAX |
50±2 |
- |
IN 2-PROPANOL |
|
28E |
23±4 |
0.1MAX |
0.5MAX |
50±2 |
- |
IN ETHANOL |
USES: BINDERS AND FILM-FORMING AGENTS FOR PHARMACEUTICAL AND COSMETIC USE.