L-Methionine
Molecular Formula: C5H11NO2S
Molecular Weight: 149.21
CAS No.: 63-68-3
E-postadress: info@standard-groups.com
Innehåll
Product name:
L-Methionine
Description
It occurs as colorless or white, lustrous plates, or as a white, crystalline powder. It is soluble in water, in alkali solutions, and in dilute mineral acids; slightly soluble in alcohol; and practically insoluble in ether.
Application
In the pharmaceutical industry, L-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. In the feed industry, it is used as a nutritional supplement for feed to compensate for the amino acid balance.
Specification
Appearance
White or almost white crystalline powder or colorless crystals
Specific rotation
20℃: +21.0°~ +25.0°or
25℃: +21.1°~ +25.1°
Lead
≤ 5ppm
Loss on drying
≤0.5%
Residue on ignition
≤0.1%
Assay
98.5~101.5%
Packing
25kg/drum or as per requirement.
Storage
Store in a cool dry place and protected from light.
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