L-Cysteine HCL Anhydrous | CAS NO:52-89-1 |
Chemical Name | L-Cysteine HCL Anhydrous |
Molecular Structure |
|
Molecular Formula | C3H7NO2S.HCl.H2O |
Molecular Weight | 175.63 |
Characteristics | White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol ether |
Packing |
25㎏/drum,25㎏/carton |
Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification
Specific rotation[a]D20° |
+5.6~8.9° |
State of solution |
Clear colorless |
Heavy metals(Pb) |
≤10PPm |
Residue on ignition |
≤0.1% |
Loss on drying |
≤1 % |
Other amino acids |
Chromatographically not detectable |
Arsenic(As2O3) |
≤1PPm |
Assay |
98.0~102.0 % |
PH |
1.5~2.0 |