Description
CAS 7048-04-6
CAS 7048-4-6 Quick Details
Chemical Name: L-Cysteine hydrochloride monohydrate
Other name: L-Cysteine HCL MONO
CAS No.: 7048-04-6
Molecular Formula: C3H7NO2S·HCL·H2O
EINECS No.: 200-258-6
Molecular Weight: 175.63
CAS 7048-04-6 Properties
| Item | AJI92 | USP36 | CP2015 ( Injection Grade ) |
| Assay | 99.0-100.5% | 98.5-101.5% | ≥98.5% |
| PH | 1.5-2.0 | / | 1.5-2.0 |
| Specific rotation [a]D20 |
+5.5°-+7.0° | +5.7°-+6.8° | +5.5°-+7.0° |
| Specific rotation[a]D25 | / | / | / |
| Transmittance(T430) | ≥98.0% | / | ≥98.0% |
| Chloride(Cl) | 19.89-20.29% | / | 19.8-20.8% |
| Ammonium(NH4) | ≤0.02% | / | ≤0.02% |
| Sulfate(SO4) | ≤0.02% | ≤0.03% | / |
| Iron(Fe) | ≤10PPM | ≤30PPM | ≤10PPM |
| Heavy metals(Pb) | ≤10PPM | ≤15PPM | ≤10PPM |
| Arsenic | ≤1PPM | / | ≤1PPM |
| Other amino acids | conform | individual impurities≤0.5% total impurities≤2.0% | ≤0.5% |
| Ninhydrin-positive substances | / | / | / |
| Loss on drying | 8.5-12.0% | 8.0-12.0% | 8.5-12.0% |
| Residue on ignition | ≤0.10% | ≤0.4% | ≤0.10% |
| Organic volatile impurities | / | / | / |
| Endotoxin | / | / | conform |
CAS 7048-04-6 Usage
Pharmaceuticals
For the treatment of acrylonitrile and aromatic poisoning, prevention of radiation damage, treatment of bronchitis and phlegm.
Cosmetics
Used in cosmetics to prevent aging.
Food
As a food additive, promote fermentation and maintain umami taste.
used in natural juice to prevent vitamin C oxidative browning.
CAS 7048-04-6 Packaging and Shipping
Packing: 25kg/fiber drum
CAS 7048-04-6 Storage
Stored in cool dry ventilated place away from fire, heat, light, acids and food materials