Agent Name

Citric acid monohydrate

CAS Number

5949-29-1

Formula

C6-H8-O7.H2-O

Major Category

Other Classes

Synonyms

Citric acid hydrate; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monohydrate; Citric acid, monohydrate; [ChemIDplus] 2-Hydroxy-1,2,3-propanetricarboxylic acid monohydrate; [ICSC]

Category

Organic Acids

Description

White solid; Slightly deliquescent; [ICSC] White crystals; [Sigma-Aldrich MSDS]

Sources/Uses

Used as an anticoagulant in blood banks, acidulant (beverages, confectionery, cheese, effervescent salts, pharmaceutical syrups, elixirs, effervescent powders, and tablets), antioxidant, sequestering agent to remove trace metals, and mordant to brighten colors; Also used to make alkyd resins and in electroplating, special inks, and analytical chemistry; [Merck Index]

Comments

A mild eye irritant; Causes cough in acute inhalation studies of guinea pigs; Causes ataxia and respiratory depression in oral lethal-dose studies of mice; [RTECS] Aerosol causes skin, eye, and respiratory tract irritation; [ICSC] An irritant; May cause allergic reactions in sensitive individuals; [Sigma-Aldrich MSDS] See "Citric acid."

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