L-Cysteine Hydrochloride
Application: L-Cysteine Hydrochloride is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on.It’s used as raw materials for manufacturing N-Acetyl-L-Cysteine , S-Carboxymethyl-L-Cysteine and L-Cysteine base etc.Used in the cure of liver disease, antioxidant and antidoteIt is a promotor for bread fermentation. It promotes the form of glutelin and prevents from getting ageing.Also used in cosmeticStandard: AJI,USP,FCC
CAS.NO.: 52-89-1
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Product Specification Of L-Cysteine Hydrochloride Monohydrate
| Items | Standards | ||
| Appearance | White Powder | ||
| Assay(%) | 99.0 - 100.5 | ||
| Specific rotation(°) | +5.5 - +7.0 | ||
| State of solution(%) | 98.0 Min | ||
| Loss on drying(%) | 8.5 - 12.0 | ||
| Ash(%) | 0.10 Max | ||
| Other amino acids | Chromatographically not detectable | ||
| pH | 1.5 - 2.0 | ||
| Heavy metals(ppm) | 10 Max | ||
| As(ppm) | 1 Max | ||
| Cl(%) | 19.89 - 20.29 | ||
| NH4(%) | 0.02 Max | ||
| SO4(%) | 0.02 Max | ||
| Fe(ppm) |
10 Max |
Product Specification Of L-Cysteine Hydrochloride Anhydrous AJI92 100Mesh
| Items | Standards | ||
| Appearance | White Powder | ||
| Assay(%) | 98.0 - 102.0 | ||
| Specific rotation(°) | +5.6 - +8.9 | ||
| State of solution | Clear and colorless | ||
| Transmittance(%) | Not less than 98.0 Min | ||
| Heavy metals(ppm) | 10.0 Max | ||
| As(ppm) | 1.0 Max | ||
| Other amino acids | Chromatographically Not detectable | ||
| Loss on drying(%) | 1.0 Max | ||
| Residue on ignition(%) | 0.1 Max | ||
| pH |
1.5 - 2.0 |
