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L-Cysteine hydrochloride

Product Name: L-Cysteine hydrochloride
CAS NO.: 52-89-1
CAS NO.:52-89-1
L-Cysteine Hcl
Description:
Product Name: L-Cysteine Hcl
Molecular Formula:C3H7NO2S·HCl·H2O
Molecular Weight:175.64
CAS No:7048-4-6
L-Cysteine Hcl ,Colorless to white crystalls or crystal powder, slightly special smell sour, melting point 175 ℃ (decomposition). L-Cysteine Hcl Monohydrate is soluble in water and can be quickly absorbed by the human body by injection or tablet. It is the main raw material for production of carboxymethyl cysteine and acetylcysteine.
Specifications:
L-Cysteine Hcl Monohydrate
L-Cysteine Hcl Anhydrous
AJI92
USP36
CP2015 ( Injection Grade )
AJI92
Assay
99.0-100.5%
98.5-101.5%
≥98.5%
98.0-10.2.0%
PH
1.5-2.0
/
1.5-2.0
1.5-2.0
Specific rotation[a]D20
+5.5°-+7.0°
+5.7°-+6.8°
+5.5°-+7.0°
+5.6°-+8.9°
Specific rotation[a]D25
/
/
/
/
Transmittance(T430)
≥98.0%
/
≥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
≤10PPM
Arsenic
≤1PPM
/
≤1PPM
≤1PPM
Other amino acids
conform
individual impurities≤0.5% total impurities≤2.0%
≤0.5%
conform
Ninhydrin-positive substances
/
/
/
/
Loss on drying
8.5-12.0%
8.0-12.0%
8.5-12.0%
≤1.0%
Residue on ignition
≤0.10%
≤0.4%
≤0.10%
≤0.1%
Organic volatile impurities
/
/
/
/
Endotoxin
/
/
conform
/
Function:
1.It can be used to treat leukopenia, leukopenia caused by the use of anti-cancer drugs and radioactive drugs, and heavy metal toxic antidotes.
2.Treatment of toxic hepatitis, thrombocytopenia, skin ulcers, and liver necrosis prevention.
3.It has the effect of treating tracheitis and removing phlegm, and has detoxifying effect on the ciprofloxacin and aromatic poisoning.
4.It can prevent radiation damage.
Application:
1.Food grade: flour improver, nutritional supplement, antioxidants.
2.Medicine grade: In pharmacy, Cysteine is used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration.
3.Comestic grade: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence.
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