PVP K12
CHEMICAL
FORMULA：(C6H9NO)n
CAS:9003-39-8 shelf life: 24 months
Standard: USP
26
|
Item |
Specification |
Result |
|
Appearance |
White crystalline
powder |
Confirm |
|
Identification |
A,B,C |
Confirm |
|
Water, % |
5.0 max |
2.7 |
|
Assay, as Nitrogen content,% |
11.5-12.8 |
12.0 |
|
Hydrazine,ppm |
1 max |
Confirm |
|
Solution Clarity and Color（5%） |
Colorless to light yellow transparent
solution |
Confirm |
|
Heavy metals,ppm |
10 max |
Confirm |
|
K value |
10.5-14.0 |
12.6 |
|
Ignition Residue,% |
0.1 max |
0.04 |
|
N-vinylpyrrolidone |
0.1 max |
0.02 |
|
Peroxides,ppm |
400 max |
20 |
|
Aldehyde (calculated
as acetaldehyde),ppm |
500 max |
250 |
|
PH |
3.0-7.0 |
5.4 |
Packing: 25kg/drum
