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L-Cysteine CAS:52-90-4 CAS NO.52-90-4
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(1-20)Metric Ton
- Product Details
Keywords
- L-Cysteine
- Cysteine, L-
- CAS:52-90-4
Quick Details
- ProName: L-Cysteine CAS:52-90-4
- CasNo: 52-90-4
- Molecular Formula: C3H7NO2S
- Appearance: White powder
- Application: Cosmetic Raw Materials
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 52-90-4
Superiority
Product Name: L-Cysteine
CAS Number: 52-90-4
Molecular Formula: C3H7NO2S
Molecular Weight: 121.16
EINECS Number: 200-158-2
Appearance：White powder
Purity：99%
Details
|
Items |
Specification |
|
Appearance |
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% |
|
Ferric salt (Fe) |
≤ 10PPm |
|
Heavy metal (Pb) |
≤ 10PPm |
|
Arsenic salt (As2O3) |
≤ 1PPm |
|
Other amino acids |
conforms |
|
Loss on drying |
≤ 0.5% |
|
Residue on Ignition (sulfated) |
≤ 0.1% |
|
Assay |
98.0-101.0% |
|
pH |
4.5-5.5 |