our company is speicalized in dealing with l-cysteine HCL Anhydrous!
| L-Cysteine HCL Anhydrous | CAS NO:52-89-1 |
| Chemical Name | H-Cys-OH.HCl |
| Structure Formula |
|
| Molecular Formula |
C 3 H 7 NO 2 S.HCl.H 2 O |
| Molecular Weight |
175.63 |
| Cas No |
[52-89-1] |
| Characteristics |
White crystalline powder; tasteless, easily soluble in water but insoluble in alcohol and ether |
|
|
AJI92
|
USP24
|
FCC4
|
||
| Assay | 98.0~102.0% | 98.5~101.5% | 98.0~102.0% | ||
| PH | 1.5~2.0 | ||||
| Specific rotation[a]D20° | +5.6°+8.9° | +5.7°+6.8° | +5.0°+8.0° | ||
| State of solution | ≥98.0% | ||||
| Chloride(Cl) | |||||
| Sulfate(SO 4 ) | ≤0.03% | ≤0.02% | |||
| Iron(Fe) | ≤30PPm | ||||
| Heavy metals(Pb) | ≤10PPm | ≤15PPm | ≤20PPm | ||
| Lead(Pb) | <10mg/kg | ||||
| Arsenic(As2O3) | ≤1PPm | ≤1PPm | |||
| Loss on drying | ≤1.0% | ≤1.0% | ≤1.0% | ||
| Residue on ignition | ≤0.1% | ≤0.4 | ≤0.1% |
PACKING;
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