产品名称/PRODUCT
NAME: 聚维酮/醋酸乙烯酯共聚物 （PVP/VA）-VA64
CTFA ADOPTED NAME: VP/VA
copolymer
CAS No.（CAS 号): 25086-89-9
分子式/FORMULA: (C6H9NO)n + (C4H6O2)m
USP26
|
外观/Appearance
|
|
白色粉末
|
Confirmed
|
Ph Eur monograph
|
|
鉴定/Identification
|
|
A,B
|
Confirmed
|
USP Monograph
|
|
K值/K-Value
|
|
26.0～34.0
|
28.5
|
USP Monograph
|
|
PH值/PH Value（5% in water）
|
|
3.0～7.0
|
4.1
|
USP＜791＞
|
|
水分/Water
|
%
|
≤5.0
|
3.0
|
USP＜921＞
|
|
灼烧残渣/Residue
on ignition
|
%
|
≤0.1
|
0.05
|
USP＜281＞
|
|
残单/Vinylpyrrolidone+VAC
|
%
|
≤0.1
|
0.03
|
USP＜621＞
|
| 
