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L-Cysteine monohydrochloride

Molecular formula: C3H7NO2S·HCL·H2O

Molecular weight:  175.63



Colorless to white fine columnar crystal or white crystalline powder with slight odor and taste (slightly sour). A reduction, there has antioxidant and prevent non-enzymatic browning effect. Melting point 175 °C (decomposition). Soluble in water, acidic aqueous solution, pH value was 1.2 when 3% solubility,1.7 when 1% solubility,2.4 when 0.1% solubility. Is also soluble in ethanol, ammonia and acetic acid, insoluble in ether, acetone, benzene, carbon disulfide and chlorine imitation.

One amino acid, but non-essential amino acids



Quality standard   FCC,1996


1.Assay(dyring base)


2.Loss on drying            


3.Residue ignition(GT-27)


4.Test about Cystine and other amino acids




6.Heavy metal


7.Ammonium salt





Bread improver; nutritional supplements; antioxidants; color fixative. Of acrylonitrile and aromatic acid poisoning detoxification; the prevention of radiation injury; have a therapeutic effect of bronchitis and phlegm; the absorption of alcohol to acetaldehyde in the body into the role of the solution drunk.

According to GB2760-96 requirements, mutatis mutandis, to spices.


FOB Price: FOB USD 1~15 / Kilogram
Minimum Order: 1000 Kilogram/Kilograms
Port: Tianjin
Payment Terms: L/C,T/T,Western Union

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