L-Cystine Appearance

L-Cystine Quick Details

Product Name: L-Cystine

CAS No.: 56-89-3

Molecular Formula: C6H12N2O4S2

Molecular weight: 240.3

Appearance: White crystals or crystalline powder

L-Cystine Specification

Item Specifications
Appearance White crystals or crystalline powder
Identification Meet the requirement
Assay 98.5%~101.0%
PH 5.0~6.5
Specific rotation .-215°~-225°
Transmittance ≥98%
Chloride(Cl) ≤0.020%
Sulfate(SO4) ≤0.020%
Iron(Fe) ≤20ppm
Ammonium 0.020%
Heavy metal ≤10ppm
Arsenic ≤1ppm
Loss on drying ≤0.20%
Residue on ignition ≤0.10%
Other amino acids conforms


L-Cystine Application

It is widely used in medicine, cosmetics, food additives, etc.

L-Cystine Packaging

25kgs/ fiber drum.

L-Cystine Storage

Dark, dry and cool closed storage, non-toxic and harmful substances mixed, mixed transport. This product is non-dangerous goods, according to the general transport of chemicals, light moving light, to prevent the sun, rain.