Description
L-Cystine
L-Cystine Quick Details
Product Name: L-Cystine
CAS No.: 56-89-3
Molecular Formula: C6H12N2O4S2
Molecular weight: 240.3
Appearance: White crystals or crystalline powder
L-Cystine Specification
| Item | Specifications |
| Appearance | White crystals or crystalline powder |
| Identification | Meet the requirement |
| Assay | 98.5%~101.0% |
| PH | 5.0~6.5 |
| Specific rotation | .-215°~-225° |
| Transmittance | ≥98% |
| Chloride(Cl) | ≤0.020% |
| Sulfate(SO4) | ≤0.020% |
| Iron(Fe) | ≤20ppm |
| Ammonium | ≤0.020% |
| Heavy metal | ≤10ppm |
| Arsenic | ≤1ppm |
| Loss on drying | ≤0.20% |
| Residue on ignition | ≤0.10% |
| Other amino acids | conforms |
L-Cystine Application
It is widely used in medicine, cosmetics, food additives, etc.
L-Cystine Packaging
25kgs/ fiber drum.
L-Cystine Storage
Dark, dry and cool closed storage, non-toxic and harmful substances mixed, mixed transport. This product is non-dangerous goods, according to the general transport of chemicals, light moving light, to prevent the sun, rain.


