Chemical Name:L(-)-3,3'-Dithiobis(2-aminopropanoic acid)
Molecular Formula:C6H12N2O4S2
Molecular Weight:240.29
Cas No:[56-89-3]
Characteristics:
a colorless or white crystalline substance of hexagon, or crystalline powder, easily soluble in acid and alkali, insoluble in water and organic solvents such as alcohol, ethyl ether
|
Item |
Specifications (AJI97 ) |
|
Appearance |
White crystal or crystalline powder; tasteless |
|
Assay, % |
98.5~101.0 |
|
Specific rotation |
-218°~ -224° |
|
Loss on drying, % |
≤0.2 |
|
Transmittance, % |
≥98.0 |
|
Chloride (as Cl), % |
≤0.02 |
|
Sulfate (as SO4), % |
≤0.02 |
|
Ammonium as (as NH4), % |
≤0.02 |
|
Iron (as Fe), % |
≤0.001 |
|
Heavy Metals (as Pb), % |
≤0.001 |
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Arsenic (as As), % |
≤0.0001 |
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pH Value |
5.0~6.5 |
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Residue on ignition, % |
≤0.1 |
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Other amino acid |
Conforms |
Packaging Detail: 25kg/bag,25kg/drum. 18MT/FCL
The Characteristics and Uses:
L-Cystine is one of the important products the amino acid series. It is widely used in medical, chemical and food industries.
Cystine promotes oxide and reductive ability of human cell, increases white blood cell, cures the infections diseases such as asthma, never ache, eczema. It is a good drug for prevention of skin old and feeble, cirrhosis and other liver diseases.
