52-90-4 L-Cysteine C3H7NO2S
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L-Cysteine Basic information |
Product Name: | L-Cysteine |
Synonyms: | (R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Alanine, 3-mercapto- |
CAS: | 52-90-4 |
MF: | C3H7NO2S |
MW: | 121.16 |
EINECS: | 200-158-2 |
Product Categories: | API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino |
Mol File: | 52-90-4.mol |
L-Cysteine Chemical Properties |
mp | 220 °C (dec.)(lit.) |
alpha | 8.75 º (c=12, 2N HCl) |
FEMA | 3263 |
refractive index | 8.8 ° (C=8, 1mol/L HCl) |
storage temp. | Store at RT. |
solubility | H2O: 25 mg/mL |
Water Solubility | 280 g/L (25 ºC) |
Sensitive | Air Sensitive |
Merck | 14,2781 |
BRN | 1721408 |
Stability: | Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases. |
CAS DataBase Reference | 52-90-4(CAS DataBase Reference) |
NIST Chemistry Reference | L-Cysteine(52-90-4) |
EPA Substance Registry System | L-Cysteine(52-90-4) |
Safety Information |
Hazard Codes | Xn,Xi |
Risk Statements | 22-36/37/38-20/21/22 |
Safety Statements | 36-37/39-26 |
WGK Germany | 3 |
RTECS | HA1600000 |
F | 10-23 |
HS Code | 29309012 |
Hazardous Substances Data | 52-90-4(Hazardous Substances Data) |
MSDS Information |
Provider | Language |
---|---|
(+)-2-Amino-3-mercaptopropionic acid | English |
SigmaAldrich | English |
ACROS | English |
ALFA | English |
L-Cysteine Usage And Synthesis |
Chemical Properties | White crystalline powder |
Usage | L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly use d as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours. |
L-Cysteine Preparation Products And Raw materials |
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