It is a naturalpreservative/conservative which occurs naturally in citrus fruits and is also used to add an acidic or sour taste to foods and drinks. In biochemistry, the conjugate base of citric acid, citrate, is important as an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms. It consists of 3 carboxyl (R-COOH) groups.Citric acid is a commodity chemical, and more than a million tons are produced every year by fermentation. It is used mainly as an acidifier, as a flavoring, and as a chelating agent.

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Appearance : Colorless liquid
Usage : Chemical synthesis etching cleaning and pH control
Structural Formula : O=N(OH)O
Melting Point : 42C
Purity : 68% 70%
Solubility : Completely soluble in water
Appearance : Clear, Colorless Liquid
Usage : Used in food and beverage as acidulant, in fertilizers, for water treatment, metal surface treatment, and as a chemical reagent
Structural Formula : HOP(O)(OH)2
Melting Point : 21C
Purity : 85%
Solubility : Miscible with water
Appearance : Powder
Usage : Not available
Structural Formula : Not available
Melting Point : Not available
Purity : Not available
Solubility : Not available
Appearance : White crystalline powder
Usage : Acidulant, flavor enhancers, preservative
Structural Formula : HOOCCH2CHOHCOOH
Melting Point : 127132C
Purity : 99%
Solubility : Soluble in water