Product Name: L-Cystine
CAS No.: 56-89-3
Molecular Formula: C6H12N2O4S2
Standarad: AJI97
Package: 25kg/barrel
Application: 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.
Specification
|
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 |
|
Arsenic (as As), % |
≤0.0001 |
|
pH Value |
5.0~6.5 |
|
Residue on ignition, % |
≤0.1 |
|
Other amino acid |
Conforms |