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Introduction of L-Cysteine hydrochloride monohydrate
L-Cysteine hydrochloride monohydrate is an amino acid common in vivo, can be transformed from the body of methionine, cystine can be transformed with each other.
Specificationof L-Cysteine hydrochloride monohydrate
| Specific rotation | + 5.5 ° - + 7.0 ° | + 5.7 ° - + 6.8 ° | 5.5 ° - + 7.0 ° |
| Dissolving condition | >=98.0% | --- | >=98.0% |
| Chlorinity | 19.89-20.29% | --- | 19.8 - 20.8% |
| Ammonium salt (NH4) | ≤ 0.02% | --- | --- |
| Sulfate (SO4) acuities | 0.020% | 0.03% | <= 0.02% |
| Fe | ≤ 10PPm | ≤ 30PPm | ≤ 10PPm |
| Heavy metal (Pb) |
≤ 10PPm |
≤ 15PPm | ≤ 10PPm |
| Arsenic salt (As2O3) | ≤ 1PPm | --- | ≤ 1PPm |
| Other amino acids | --- | --- | ≤ 0.5% |
| Loss on drying | 8.5 - 12.0% | 8.5 - 12.0% | 8.5 - 12.0% |
| Ignition residue (sulfated) acuities | ≤ 0.10% | ≤ 0.4% | ≤ 0.1% |
| Content | 99.0-100.5% | 98.5-101.5% | ≥ 98.5% |
| Ph | 1.5-2.. | 0-1 | 5-2.0 |
| Organic volatile matter | ---- | --- | Organic volatile matter |
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