Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.2058-46-0
A(1-2)Kilogram
DESCRIPTION |
YELLOW CRYSTALLIN POWDER |
COMPIIES |
IDENTIFICATION: |
ACCORDING TO BP2001 |
COMPIIES |
PH VALUE |
2.3 ~ 2.9 |
2.50 |
SPECIFIC OPTICAL ROTATION |
-188°~-200° |
-188° |
ABSORBANCE (353nm, PH2.0) |
270 ~290 |
275.0 |
LIGHT ABSORBING IMPURITY |
ABSORBANCE AT 430nm, <0.50 |
0.32 |
ABSORBANCE AT 490nm, <0.20 |
0.11 |
|
RELATED SUBSTANCES |
CONTENT OF IMPURITY PEAK MEET THE REQUIREMENTS |
COMPLIES |
HEAVY METALS |
≤50 A(0.2%, 1CM, 430NM)<0.50 |
0.28 |
SULPHATED ASH |
≤0.5% |
0.08% |
WATER |
≤2.0% |
1.3% |
HPLC ASSAY |
95.0%~102.0% ANHYDROUS SUBSTANCE |
96.2% |