CAS No.: | 52-90-4 |
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Other Names: | |
MF: | |
EINECS No.: | |
Place of Origin: | |
Grade Standard: | Food Grade,Medicine Grade |
Usage: | |
Brand Name: | |
Model Number: | |
Purity: |
Quick Details
Specifications
Supplier: Premium Ingredient Co.,Ltd
Product Name: L-Cysteine Cas No.:52-90-4 Quality Standard: AJI97
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g): about 16(20°)
Test item
|
Limit
|
Specific rotation
|
+8.3 to +9.5°
|
State of solution
(transmittance)
|
Not less than 95.0%
|
Chloride
|
Not more than 0.04%
|
Ammonium
|
Not more than 0.02%
|
Sulfate
|
Not more than 0.030%
|
Iron
|
Not more than 10ppm
|
Heavy metals(Pb)
|
Not more than 10ppm
|
Arsenic
|
Not more than 1ppm
|
Other Amino Acids
|
conforms
|
Loss on drying
|
Not more than 0.5%
|
Residue on ignition
(sulfated)
|
Not more than 0.10%
|
Assay
|
98.0 to 101.0%
|
PH
|
4.5 to 5.5
|
Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 1 year