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Food Additive L-Cysteine 99% CAS 4371-52-2

China Food Additive L-Cysteine 99% CAS 4371-52-2, Find details about China L-Cysteine, Cosmetics from Food Additive L-Cysteine 99% CAS 4371-52-2

Model NO.
4371-52-2
Nutrient Composition
Amino Acid
Resource
Natural
The content of active substances
98.5%
Quality Standard
Aji92
Transport Package
Carton, Drum
Specification
25Kg
Origin
China
HS Code
2930909099
Model NO.
4371-52-2
Nutrient Composition
Amino Acid
Resource
Natural
The content of active substances
98.5%
Quality Standard
Aji92
Transport Package
Carton, Drum
Specification
25Kg
Origin
China
HS Code
2930909099
Product Name                 L-Cysteine
Alias                                   L-Mercapto Alanine
Molecular Formula         C3H7NO2S
Molecular Weight            121.15
CAS No.                             52-90-4;4371-52-2
Shelf Life                            2 years  
Quality Standard              AJI92

Specification:
Analytical ItemsStandard
AppearanceWhite crystals or crystalline powder
Assay98.0~101.0%
pH value4.5~5.5
Specific optical rotation[a]D20°+8.3o~ +9.5o
State of solution (Transmittance)≥95.0%
Loss on drying≤0.5%
Residue on ignition≤0.1%
Chloride (Cl)≤0.04%
Sulfate (SO4)≤0.03%
Ammonium (NH4)≤0.02%
Iron (Fe)≤0.001%
Heavy metals (Pb)≤0.001%
Arsenic≤0.0001%

Application:  
Mainly used in medicine, cosmetics, biochemical research and other aspects.
Used in bread, to promote the formation of gluten and promote fermentation, mold, prevent aging.
Used in natural juices to prevent vitamin C from oxidizing and to prevent the juices from turning brown.
The product has a detoxification effect, can be used for acrylonitrile poisoning, aromatic acidosis.
It is also used to prevent radiation damage to the body and is a drug for the treatment of bronchitis, especially as a expectorant (mostly in the form of acetyl l-cysteine methyl ester).
Cosmetics mainly used for beauty water, perm fluid, sun - proof skin care cream.

Packing: 
25kg/drum

Storage: 
Store in tightly closed original container, protected from light, in a dry place. 
 

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