Agent Name

L-(-)-Malic acid

CAS Number

97-67-6

Formula

C4-H6-O5

Major Category

Other Classes

Synonyms

Hydroxysuccinnic acid (-); Malic acid L-(-)-form; (-)-Hydroxysuccinic acid; (-)-Malic acid; (2S)-2-Hydroxybutanedioic acid; 2-Hydroxybutanedioic acid, (S)-; Apple acid; Butanedioic acid, hydroxy-, (S)-; Hydroxybutanedioic acid, (S)-; Malic acid, L-; S-(-)-Malic acid; S-2-Hydroxybutanedioic acid; Butanedioic acid, 2-hydroxy-, (2S)-; Butanedioic acid, hydroxy-, (2S)-; L-Malic acid; (-)-1-Hydroxy-1,2-ethanedicarboxylic acid; [ChemIDplus]

Category

Organic Acids

Description

Solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]

Sources/Uses

The naturally occurring form of malic acid present in apples and other plants; Used as a chemical intermediate, chelating agent, buffering agent, flavoring agent, and acidulant for foods; [Merck Index] Used as a flavoring agent, antimicrobial agent, pH control agent, and synergist for foods; [FDA]

Comments

Safe when used as a flavoring agent in food; [JECFA] A skin and strong eye irritant; [Sigma-Aldrich MSDS] See "Malic acid."

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