Description

CAS 7048-04-6

 

CAS 7048-4-6 Quick Details

Chemical Name: L-Cysteine hydrochloride monohydrate

Other name: L-Cysteine HCL MONO

CAS No.: 7048-04-6

Molecular Formula: C3H7NO2S·HCL·H2O

EINECS No.: 200-258-6

Molecular Weight: 175.63

 

CAS 7048-04-6 Properties

Item AJI92 USP36 CP2015 ( Injection Grade )
Assay 99.0-100.5% 98.5-101.5% ≥98.5%
PH 1.5-2.0 / 1.5-2.0
Specific rotation[a]D20 +5.5°-+7.0° +5.7°-+6.8° +5.5°-+7.0°
Specific rotation[a]D25 / / /
Transmittance(T430) ≥98.0% / ≥98.0%
Chloride(Cl) 19.89-20.29% / 19.8-20.8%
Ammonium(NH4) ≤0.02% / ≤0.02%
Sulfate(SO4) ≤0.02% ≤0.03% /
Iron(Fe) ≤10PPM ≤30PPM ≤10PPM
Heavy metals(Pb) ≤10PPM ≤15PPM ≤10PPM
Arsenic ≤1PPM / ≤1PPM
Other amino acids conform individual impurities≤0.5% total impurities≤2.0% ≤0.5%
Ninhydrin-positive substances / / /
Loss on drying 8.5-12.0% 8.0-12.0% 8.5-12.0%
Residue on ignition ≤0.10% ≤0.4% ≤0.10%
Organic volatile impurities / / /
Endotoxin / / conform

 

CAS 7048-04-6 Usage

Pharmaceuticals

For the treatment of acrylonitrile and aromatic poisoning, prevention of radiation damage, treatment of bronchitis and phlegm.

 

Cosmetics

Used in cosmetics to prevent aging.

 

Food

As a food additive, promote fermentation and maintain umami taste.

used in natural juice to prevent vitamin C oxidative browning.

 

CAS 7048-04-6 Packaging and Shipping

Packing: 25kg/fiber drum

 

CAS 7048-04-6 Storage

Stored in cool dry ventilated place away from fire, heat, light, acids and food materials