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CAS NO.52-90-4
1(10-100)Metric Ton1(10-100)Metric Ton
| 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 |
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| 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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