PVP K90
CHEMICAL
FORMULA：(C6H9NO)n
CAS:9003-39-8 shelf life: 24 months
Standard: USP
43 grade Batch No. K90260802P
|
TEST
ITEMS |
INDEX |
TEST VALUE |
|
Identify |
A,B,C,D,E |
conform |
|
K Value（1% solution in water） |
81.0～97.2 |
94.2 |
|
Nitrogen
content % |
11.5～12.8 |
12.1 |
|
Vinylpyrrolidone
% |
0.001 MAX |
0.0007 |
|
2-Pyrrolidone % |
3 MAX |
0.2 |
|
Peroxide
PPM |
400 MAX |
55 |
|
Hydrazine
PPM |
1.0 MAX |
conform |
|
PH value
(5% in water) |
4～7 |
4.5 |
|
Aldehydes
% |
0.05 MAX |
Trace Amount |
|
Ash
content % |
0.10 MAX |
0.05 |
|
Formic
acid % |
0.5MAX |
0.15 |
|
Lead(Pb) PPM |
10 MAX |
conform |
|
Bacteria cfu/g |
1000 MAX |
conform |
|
Mold,Yeast cfu/g |
100 MAX |
conform |
|
Water (K.
Fischer) % |
5.0 MAX |
2.2 |
Storage:
stored in unopened original
containers and protected from light at max.25℃.
Packing: 25kg
net in fibre drum
Verifier:012 Analyst:025 Date:2026-08-02
