L-Cysteine hydrochloride monohydrate
CAS No.: 7048-04-6
Product Name: L-Cysteine hydrochloride monohydrate
CAS# 7048-04-6
Spec: food grade AJI92
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS# 7048-04-6
Spec: food grade AJI92
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of L-Cysteine hydrochloride monohydrate ：
| Items | Specification | Results |
| Appearance | White crystals or crystalline powder | Qualified |
| Specific rotation[a]D20。 | +5.5°~+7.0° | +6.10。 |
| State of solution | ≥98.0% | 99.1% |
| Identification | Infrared absorption spectrum | Qualified |
| Chloride(Cl) | 19.89～20.29% | 20.08% |
| Ammonium(NH4) | ≤0.02% | 0.010% |
| Sulfate(SO4) | ≤0.020% | 0.010% |
| Iron(Fe) | ≤10PPm | 6PPM |
| Heavy metals(Pb) | ≤10PPm | 4PPM |
| Arsenic(As2O3) | ≤1PPm | 0.2PPM |
| Other amino acids | Chromatographically not detectable | Qualified |
| Loss on drying | 8.5～12.0% | 11.12% |
| Residue on ignition | ≤0. 10% | 0.07% |
| Assay | 98.5～101.0% | 99.25% |
| PH | 1.5～2.0 | 1.80 |
