|Molecular Formula:||C5H11NO2S |
|CAS No.: ||59-51-8|
DL-Methionine occurs as white crystalline platelets or a powder. One gram dissolves in about 30 mL of water. It is soluble in dilute acids and in solutions of alkali hydroxides. It is very slightly soluble in alcohol, and practically insoluble in ether. It is optically inactive. The pH of a 1:100 aqueous solution is between 5.6 and 6.1.
In the pharmaceutical industry, DL-methionine can be used as a main component of amino acid infusion and complex amino acids, and can also be used to synthesize medicinal vitamins, and can be used for the production of liver-protecting preparations by utilizing its anti-fatty liver function. In the food industry, it can be used as a nutritional supplement, and it is only used in fish cake products because of its special smell. In the feed industry, it is used as a nutritional supplement for feed to compensate for the amino acid balance.
|Appearance||White or almost white, crystalline powder or small flakes|
|Appearance of solution||Clear and colorless|
|Related substances (TLC)||Any impurity ≤ 0.2%|
|Heavy metals||≤ 10ppm|
|Lead ||≤ 5ppm|
|Loss on drying||≤0.5%|
|Residue on ignition||≤0.1%|
25kg/drum or as per requirement.
Store in a cool dry place and protected from light.