USP Grade Polyvinylpyrrolidone PVP K25 Povidone
USP Grade Polyvinylpyrrolidone PVP K25 Povidone
- Price：
- Molecular Formula： Twin
- CAS： PAM
- HS： 39059900
PVP K25
CHEMICAL FORMULA：(C6H9NO)n CAS:9003-39-8 shelf life: 24 months Standard: USP 39 grade Batch No. K252266P
TEST ITEMS | INDEX | TEST VALUE |
Appearance | White to milky white hygroscopic powder |
conform |
K Value | 22.5～27 | 25.3 |
Nitrogen content % | 11.5～12.8 | 12.1 |
NVP content (Impurity A) PPM | ＜10 | 3 |
2-P content (Impurity B)% | 3.0MAX | 1.4 |
Solution color (5% aqueous solution) | the color is lighter than the reference solution B6, BY6 and R6 |
conform |
Hydrogen Peroxide PPM | 400 MAX | 108 |
PH value (5% in water) | 3～5 | 3.3 |
Heavy Metal PPM | ≤10 | ＜10 |
Formic Acid% | 0.5 MAX | 0.3 |
Aldehydes PPM | 500 MAX | 200 |
Hydrazine PPM | 1 MAX | ＜1 |
Burning residue % | 0.07 MAX | 0.03 |
Water (K. Fischer) % | 5.0 MAX | 2.8 |
Storage: stored in unopened original containers and protected from light at max.25℃.
Packing: 25kg net in fibre drum