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S-Carboxymethyl-L-Cysteine
- Product Name: S-Carboxymethyl-L-Cysteine
- CAS No: S-Carboxymethyl-L-Cysteine CAS: 638-23-3
- Standard: CP、EP、BP、JP、AJI
- Appearance: Almost white crystalline powder or small flakes
- Packing : 25Kg/Drum, or based on request
- Manufacturer: Lifelong Chemical Co., Ltd
- Export Market: European, South American, North American, Asian and African etc
- Product Details
S-Carboxymethyl-L-Cysteine
Another Names:S-CMC, S-Carboxymethyl-L-Cysteine,Carbocysteine
CAS: 638-23-3
MF: C5H9NO4S
MW: 179.19
EINECS: 211-327-5
Quality Standard: CP、EP、BP、JP、AJI
Specifications of S-Carboxymethyl-L-Cysteine, Carbocysteine:
|
Item |
Specifications EP7 |
Results |
|
Appearance |
Almost white crystalline powder or small flakes |
Conforms |
|
Specific rotation |
-32.5°～-35.5° |
-33.2 |
|
State of solution |
Clear and colorless |
Conforms |
|
Chloride(Cl) |
≤0.15% |
Conforms |
|
Sulfate(SO4) |
≤300ppm |
Conforms |
|
Ninhydrin-positive substances |
Not more intense than the spot with reference solution(0.5%) |
Conforms |
|
Phosphate |
≤250ppm |
Conforms |
|
Heavy metals (Pb) |
≤10PPm |
Conforms |
|
Sulphated ash |
≤0.30% |
Conforms |
|
Loss on drying |
≤0.50% |
0.35% |
|
Residue on ignition |
≤0.10% |
0.07% |
|
Assay |
98.5～101.0% |
99.4% |
|
PH |
2.8～3.0 |
2.8 |
Packing: 25Kg/Drum or based on request.
Storage: Stored in cool and dry place.
