CAS 52-90-4 L-Cysteine-Professional supplier
If you want to buy L-Cysteine (CAS:52-90-4),please feel free to contact: info@sancaiindustry.com
We can supply L-Cysteine (CAS:52-90-4) with lowest factory price,high quality and regular basis.
Specification of L-Cysteine
| Item | Specifications |
| Appearance | white crystal or white powdery |
| Identification | tested by Infrared absorption spectrometer |
| Specific rotation | +8.3°- +9.5° |
| Solubility | ≥ 95.0% |
| Chlorine content | ≤ 0.04% |
| Ammonium salt (NH4 ) | ≤ 0.02% |
| Sulfate radical (SO4 ) | ≤ 0.030% |
| Arsenic salt (As2O3) | ≤ 1PPm |
| Other amino acids | conforms |
| Loss on drying | ≤ 0.5% |
| Residue on Ignition (sulfated) | ≤ 0.1% |
| Ferric salt (Fe) | ≤ 10PPm |
| Heavy metal (Pb) | ≤ 10PPm |
More About L-Cysteine
CAS: 52-90-4
Standard:Cosmetic grade
Model:SC-ZX
Capacity:100MT/month
Loading port: Shanghai
Synonyms: half-cysteine
MF: C3H7NO2S
Use of L-Cysteine
Cysteine is well used on preparation of perm essence, sunscreen, hair growth perfume and hair care essence, etc.
Package Of L-Cysteine
25kg/drum or according to the customers’ demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.
Inquiry us to get quotation
Contact us
Ready for you here
We can also customize products for you.If the specification above cant meet you, or you have requirements on other products,pls feel free to contact us for more information.
Contact us
