TNJ Chemical produces super quality L-Cysteine CAS 52-90-4 - 98%MIN assay, GMP SGS certification, USP BP EP FCC standard, Competitive price, online purchase support. To buy L-Cysteine CAS 52-90-4, please contact sales@tnjchem.com
Chemical Name: L-Cysteine
CAS NO.: 52-90-4
Molecular Formula:C3H7NO2S
Molecular Weight:121.16
Appearance: Colorless to white fine columnar crystal or white crystalline powder
Assay: ≥98%
Application
1.Uses are mainly used in medicine, cosmetics, biochemical research, etc. Used in bread to promote the formation of gluten, promote fermentation, mold release, and prevent aging.
2.Used in natural juices to prevent the oxidation of vitamin C and prevent the juice from turning brown.
3.It has detoxification effect and can be used for acrylonitrile poisoning and aromatic acidosis.
4.It also has the effect of preventing radiation damage to the human body. It is also a drug for the treatment of bronchitis, especially as a phlegm medicine (mostly used in the form of acetyl L-cysteine methyl ester.
5.In cosmetics, it is mainly used in beauty lotions, perm liquids, and sun-proof skin creams.
Specification
Item |
Specification |
Assay |
98.00 ~ 101.00 |
Heavy metals (As Pb), % |
≤0.001 |
Loss on drying, % |
≤0.50 |
Residue on ignition, % |
≤0.10 |
Specific optical rotation [a]20D, ° |
+8.30 ~ +9.50 |
Arsenic (As), % |
≤0.0001 |
Iron (Fe), % |
≤0.001 |
Chloride, % |
≤0.04 |
Sulfate (SO4), % |
≤0.03 |
PH Value |
4.50 ~ 5.50 |
Packing
25kg/drum
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