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L-Cysteine HCL Monohydrate

L-Cysteine HCL Monohydrate

L-Cysteine Hydrochloride monohydrate is a flour fermentation promoter, accelerate the gluten forming, prevent aging. It is used as additive in medicine, feed, food, cosmetics. It is the bread improver and nutritional supplements.



Product Details

Product NameL-Cysteine HCL Monohydrate

CAS No.7048-04-6

Molecular FormulaC3H10ClNO3S

AppearanceWhite Crystal Powder



L-Cysteine HCL Monohydrate,Colorless to white crystalls or crystal powder, slightly special smell sour.Soluble in water,also soluble in alcohol, ammonia and acetic acid, not soluble in ether, acetone, benzene, etc.It has the function of reducing, anti-oxidation and preventing non-enzymatic Browning.

L-Cysteine Hcl Monohydrate 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.

Item Standard
Appearance white powder
Assay (%)99.0% ~ 101.0%
Loss on drying (%)8.5 ~ 12.0
Residue on ignition (%)≤ 0.10
Heavy metal (Pb) (%)≤ 0.001
Arsenic (%)≤ 0.0001
Specific rotation[α]D20+5.5 ~ +7.0°
Iron (Fe), %≤0.001
Sulfate (SO4) (%)≤ 0.02
Chloride (Cl) (%)19.89-20.29
Melting point ( ℃)175
PH Value1.5 ~ 2.0
Other amino acidNegative
Ammonium salt (NH4), %≤0.02
State of solution, %≥98.0


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.



1.Nutritional supplement, antioxidants. Bread amendment, promote fermentation, prevent oxidation. In food aspects, as bread crash accelerator, can change the bread and the food flavor.

2.Used to treat leukopenia, toxic hepatitis, thrombocytopenia, skin ulcer, tracheitis and phlegm, and can prevent liver degeneration, heavy metal poisoning antidote.

3.Used in the cosmetics marcel extract, sunscreen, germinal perfume and hair conditioner.


StorageStore in tight, light-resistant containers, avoid exposure to direct sunlight, moisture and excessive heat.



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