L-Cysteine HCl Monohydrate
Product Name: L-Cysteine hydrochloride monohydrate
CAS No.: 7048-04-6
Molecular Formula: C3H7NO2S·HCL·H2O
Standarad: AJI97, USP26
Package: 25kgs/ fiber drum
Application:
It is widely used in medical, chemical and food industries.
Used for biochemical reagent, foodstuff additive, antioxidant, antiseptics and cold permanent waving of hair, etc.
Specification
|
Item |
Specification |
|
Appearance |
White crystalline powder |
|
Assay % |
98.5~100.5 |
|
Specific rotation |
+5.5°~+7.0° |
|
Loss on drying, % |
8.5~12.0 |
|
Transmittance, % |
≥98.0 |
|
Chloride (as Cl), % |
19.89~20.29 |
|
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 |
|
Residue on ignition, % |
≤0.1 |
|
Other amino acid |
Chromatographically No detectable |