Agent Name

DL-Methionine

Alternative Name

Racemethionine

CAS Number

59-51-8

Formula

C5-H11-N-O2-S

Major Category

Biological Agents

Synonyms

(+-)-Methionine; Acimetion; Banthionine; Cynaron; DL-2-Amino-4-(methylthio)-butyric acid; DL-2-Amino-4-(methylthio)butanoic acid; DL-Methioninum; DL-methionine; Dyprin; Lobamine; Meonine; Mertionin; Methilanin; Methionine, DL-; Methionine, amorphous; Metione; Neston; Pedameth; Racemethionine; Urimeth; (+-)-2-Amino-4-(methylmercapto)butyric acid; [Sigma-Aldrich MSDS]

Category

Amino Acids and Derivatives

Description

Solid; [Merck Index] Colorless or white solid; [ICSC] White powder; [Sigma-Aldrich MSDS]

Sources/Uses

An essential amino acid; Used therapeutically as an antidote for acetaminophen poisoning and a urinary acidifier; [Merck Index] Used as a flavoring agent and nutritional supplement; [FDA]

Comments

Causes pigmented or nucleated red blood cells, changes in leukocyte counts, and changes in liver, bladder, and spleen weights in repeated-dose oral studies of rats; [RTECS] No listed effects of short-term or long-term exposure; [ICSC] Safe when used as a flavoring agent in food; [JECFA] May cause irritation; [Sigma-Aldrich MSDS]

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