- Min.Order :1 Metric Ton
- Purity: 99%
Keywords
Cysteine L-Cysteine 52-90-4
Quick Details
- Appearance: White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol and ether
- Application:Food and Pharmaceutical addictive
- PackAge: 25㎏/drum，25㎏/carton
- ProductionCapacity:1|Metric Ton|Day
- Storage:
- Transportation:
Superiority:
|
Specific rotation[a]D20° |
+5.6～8.9° |
|
State of solution |
Clear and colorless |
|
Heavy metals(Pb) |
≤10PPm |
|
Residue on ignition |
≤0.1% |
|
Loss on drying |
≤1 % |
|
Other amino acids |
Chromatographically not detectable |
|
Arsenic(As2O3) |
≤1PPm |
|
Assay |
98.0～102.0 % |
|
PH |
1.5～2.0 |
Details:
Specification
|
Specific rotation[a]D20° |
-215°～-225° |
|
State of solution |
≥98.0% |
|
Heavy metals(Pb) |
≤10PPm |
|
Residue on ignition |
≤0.1% |
|
Iron(Fe) |
≤20PPm |
|
Loss on drying |
≤0.02% |
|
Other amino acids |
Conforms |
|
Arsenic(As2O3) |
≤1PPm |
|
Chloride(CI) |
≤0.02% |
|
Ammonium(NH4) |
≤0.02% |
|
Sulfate(SO4) |
≤0.02% |
|
Assay |
98.0～101.0% |
|
PH |
5～6.5 |
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