|
Description: |
DL-Cysteine HCl Monohydrate |
|
CAS NO.: |
96998-61-7 |
|
Add time: |
2008-1-3 15:36:13 |
|
DL-Cysteine HCl Monohydrate | |
|
Item |
Specification |
|
Appearance |
White crystals or crystalline powder |
|
Specific Rotation[α]D20 |
-1° to +1° |
|
State of solution |
Clear and colorless |
|
Not less than 98.0% | |
|
Chloride (Cl) |
19.89% to 20.29% |
|
Iron (Fe) |
Not more than 2ppm |
|
Heavy Metals (Pb) |
Not more than 10ppm |
|
Aresenic (As2O3) |
Not more than 1ppm |
|
Other amino aicds |
Chromatographically not detectable |
|
Loss on drying |
8.5% to 12.0% |
|
Residue on ignition |
Not more than 0.10% |
|
Assay |
98.5% to 100.5% |




