Tartaric acid is a chiral atom which exists as three stereoisomers (having aforementioned agreement but altered orientations in space): D-tartaric acid, L-tartaric acid and meso-tartaric acid, which accept hardly altered structures as apparent below. Racemic tartaric acid is an according admixture of D- and L-tartaric acid.
Tartaric acid is a white apparent solid with a body of 1.79 g/mL and melting point of 206°C.Tartaric acid is an alpha-hydroxy carboxylic acid, and is diprotic. All the forms of tartaric acid are readily acrid in water. It can anatomy salts with bases, and some of the important salts of tartaric acid are chrism of tartar (potassium hydrogen tartrate) and Rochelle alkali (potassium sodium tartrate). Tartaric acid is an optically alive compound, and was one of the aboriginal chemicals to be advised apropos stereoisomerism.
Tartaric acid has abounding applications in the aliment industry due to its acerb aftertaste and antioxidant properties. It is broadly acclimated in carbonated drinks, airy tablets, acerb candies, gelatins, jellies, baking powders, and taffies. It aswell has abounding automated uses such as in accurate press and development, cutting metals, absolute dyeing, etc. The tartrate salts are acclimated in silvering mirrors, charwoman brass, dyeing mordant, and as insecticide.