China Pharma Intermediate Sodium Diethyldithiocarbamate CAS No.: 148-18-5, Find details about China Sodium Diethyldithiocarbamate, 148-18-5 from Pharma Intermediate Sodium Diethyldithiocarbamate CAS No.: 148-18-5
Items | Specifications | Result |
Appearance | Yellow crystalline powder | Complies |
Identification | TR of HPLC test | Complies |
yellow color reaction | Complies | |
Chloride's reaction | ||
PH | 2.0 TO3.0 | Complies |
Specific optical rotation | -105° to -120°,calculated on the anhydrous,ethanol-free substance | Complies |
Specific absorbance | 300-335 at 349nm,calculated on the anhydrous,ethanol-free substance | 99.57% |
Light-absorbing impurities | Not more than 0.07at 490nm,calculated on the anhydrous,ethanol-free substance | 0.041% |
Related substances% | <LOD (0.000006%) | |
Metacycline | ≤2.0% | 0.23 |
6-epidoxycycline | ≤2.0% | 4.19 |
Items | Specifications | Result |
Appearance | Yellow crystalline powder | Complies |
Identification | TR of HPLC test | Complies |
yellow color reaction | Complies | |
Chloride's reaction | ||
PH | 2.0 TO3.0 | Complies |
Specific optical rotation | -105° to -120°,calculated on the anhydrous,ethanol-free substance | Complies |
Specific absorbance | 300-335 at 349nm,calculated on the anhydrous,ethanol-free substance | 99.57% |
Light-absorbing impurities | Not more than 0.07at 490nm,calculated on the anhydrous,ethanol-free substance | 0.041% |
Related substances% | <LOD (0.000006%) | |
Metacycline | ≤2.0% | 0.23 |
6-epidoxycycline | ≤2.0% | 4.19 |