L-Cysteine Hydrochloride 52-89-1 CAS Number: 52-89-1 Supplier

L-Cysteine Hydrochloride Monohydrate(L-Cysteine HCL Monohydrate) is an important organic chemical intermediate and has a wide range of uses in biochemistry, medicine, food, feed, cosmetics and other industries. L-cysteine is used in meat products, dairy products, bread, and flour sugar products to enhance food stability and slow down fermentation and blackening reactions; L-cysteine has the function of preventing the aging of organisms. Since L-cysteine has many physiological functions, free L-cysteine has been made into compounds (such as salts, esters, acylates of inorganic acids and organic acids, etc.) and used. Because the L-cysteine molecule contains active sulfhydryl groups, it has many important physiological functions: such as enhancing liver function, relieving benzene poisoning, reducing phlegm, promoting hair growth and preventing food oxidation, etc. It is widely used in medicine, food, Cosmetics and feed industry.

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Specifications of Cysteine Hydrochloride Monohydrate(L-Cysteine HCL Monohydrate)

Item	Specification
Appearance	White crystalline powder
Identification	Infrared Absorption
Solubility	Freely soluble in water and in ethanol
Specific rotation [α]D20	+5.5 to+ 7.0°
State of solution (Transmittance)	Clear and colorless ≥ 98.0%
Chloride(Cl)	19.89 to 20.29%
Ammonium(NH4)	≤ 0.02%
Sulfate(SO4)	≤ 0.020%
Iron(Fe)	≤ 10ppm
Heavy metals(Pb)	≤ 10ppm
Arsenic(as As2o3)	≤ 1ppm
Other amino acids	Chromatographically Not detectable
Loss on Drying	8.5 to 12.0%
Residue on ignition(sulfated)	≤ 0. 10%
Assay	99.0 to 100.5 %
pH	1.5 to 2.0

PACKING: 25KG NET IN PAPER BAG

STORAGE AND TRANSPORT:IN DRY AND COOL NORMAL TEMPERATURE

SHELF LIFE: 2 YEARS

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