Tartaric Acid

Tartaric Acid

Other names : 2,3-dihydroxysuccinic acid;threaric acid;racemic acid;uvic acid;paratartaric acid
CAS #  :  526-83-0
Molecular formula:C4H6O6 / HOOC(CH2O)2COOH 
Molar mass:150.087 g/mol 
Appearance:white powder 
Density:1.79 g/mL (H20) 
Characteristics and Application :
Tartaric acid is a white crystalline organic acid. It occurs naturally in many plants, particularly grapes, bananas, and tamarinds, and is one of the main acids found in wine. It is added to other foods to give a sour taste, and is used as an antioxidant. Salts of tartaric acid are known as tartrates. It is a dihydroxy derivative of succinic acid.
Uses :
As a food additive, tartaric acid is used as an antioxidant with E number E334, tartrates are other additives serving as antioxidants or emulsifiers.
 As a preservative after fermentation. In the mouth, tartaric acid provides some of the tartness in the wine, although citric and malic acids also play a role.

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