Product Name: L-Cystine HCL Monohydrate
Quality Standard:
Item |
Specification |
Specific rotation [a]D25 |
-160° to -165° |
State of solution State of solution(Transmittance)
|
Not less than 98.0 % |
Ammonium(NH4 ) |
Not more than 0.02% |
Sulfate(SO4 ) |
Not more than 0.020% |
Iron(Fe) |
Not more than 20ppm |
Heavy metals(Pb) |
Not more than 10ppm |
Arsenic(as As2O3 ) |
Not more than 1ppm |
Other amino acids |
Chromatographically
Not detectable |
Loss on Drying |
0.80-1% |
Residue on ignition (sulfated) |
Not more than 0.10% |
Assay |
99.0 to 100.5% |
Product Properties: white crystalline powder
Packing Specification: 25kg/drum, inner lining double-layer polyethylene bag.
