L-半胱氨酸盐酸盐一水物
L-半胱氨酸盐酸盐一水物
CAS NO：7048-4-6
| Chemical Name | L-半胱氨酸盐酸盐一水物 |
| Molecular Structure |  |
| Molecular Formula | C3H7NO2S·HCL·H2O |
| Molecular Weight | 175.63 |
| Characteristics | White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol and ether |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
| Specification | |
| Specific rotation[a]D20° | +5.5°～+7.0° +8.0 ～+10.1° Calc.as.cysteine |
| State of solution | Clear and colorless |
| Heavy metals(Pb) | ≤10PPm |
| Residue on ignition | ≤0.1% |
| Iron(Fe) | ≤10PPm |
| Loss on drying | 8.5～12.0％ |
| Other amino acids | Chromatographically not detectable |
| Arsenic(As2O3) | ≤1PPm |
| Chloride(CI) | 19.89～20.29％ |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(SO4) | ≤0.02% |
| Assay | 99.0～100.5% |
| PH | 1.5～2.0 |
