Introduction of DL-methionine
Chinese name: DL-methionine
Foreign name: DL-2-Amino-4-(methylthio)butyric acid
Methionine, a sulfur-containing non-polar alpha amino acid. L-methionine is one of the 20 amino acids that make up proteins, and is an essential amino acid and a ketogenic amino acid for mammals. Its side chain is easily oxidized to methionine (sulfoxide) sulfone. Symbol: M. Methionine is one of the essential amino acids that make up the human body.
Product properties of DL-methionine
| Technical Item | Technical Data |
| CAS No: | 59-51-8 |
| English Name | DL-methionine |
| Boiling Point | 306.9±37.0 °C at 760 mmHg |
| Melting Point | 270-273ºC |
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.211 |
| Flash Point | 139.4±26.5 °C |
| Density | 1.2±0.1 g/cm3 |
Characters of DL-methionine
White flake crystal or crystalline powder. Has a special smell. Slightly sweet. Melting point: 280~281°C (decomposition) (L form); 281°C (racemate) Acid-base: PH value of 10% aqueous solution is 5.6~6.1
Image of DL-methionine
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