- Min.Order :1 Metric Ton
- Purity: 99%
- Payment Terms : Other
Keywords
Carboxymethyl S-Carboxymethyl-L-Cysteine Cysteine
Quick Details
- Appearance:White crystals or crystalline powder,strongly acid taste
- Application:Food and Pharmaceutical addictive
- PackAge:25㎏/drum，25㎏/carton
- ProductionCapacity:1|Metric Ton|Day
- Storage:
- Transportation:
Superiority:
Specification
|
Specific rotation[a]D20° |
-33.5°~-36.5° |
|
State of solution |
Clear and colorless |
|
(Tranamittance) |
≥98.0% |
|
Chloride(Cl) |
≤0.039% |
|
Ammonium(NH4) |
≤0.02% |
|
Sulfate(SO4) |
≤0.020% |
|
Iron(Fe) |
≤30PPm |
|
Heavy metals(Pb) |
≤10PPm |
|
Arsenic(As2O3) |
≤1PPm |
|
Other amino acids
|
Chromatographically not detectable |
|
Loss on drying |
≤0.30% |
|
Residue on ignition (Sulfated) |
≤0.10% |
|
Assay |
98.5～101.0% |
|
PH |
2.0～3.5 |
Details:
| S-Carboxymethyl-L-Cysteine | CAS NO：74-79-3 |
| Chemical Name | S-Carboxymethyl-L-Cysteine |
| Molecular Structure |
|
| Molecular Formula | C5H9NO4S |
| Molecular Weight | 179.19 |
| Characteristics | White crystals or crystalline powder,strongly acid taste |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification
|
Specific rotation[a]D20° |
-33.5°~-36.5° |
|
State of solution |
Clear and colorless |
|
(Tranamittance) |
≥98.0% |
|
Chloride(Cl) |
≤0.039% |
|
Ammonium(NH4) |
≤0.02% |
|
Sulfate(SO4) |
≤0.020% |
|
Iron(Fe) |
≤30PPm |
|
Heavy metals(Pb) |
≤10PPm |
|
Arsenic(As2O3) |
≤1PPm |
|
Other amino acids
|
Chromatographically not detectable |
|
Loss on drying |
≤0.30% |
|
Residue on ignition (Sulfated) |
≤0.10% |
|
Assay |
98.5～101.0% |
|
PH |
2.0～3.5 |
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