Gallic acid

Gallic acid is an organic compound with the chemical formula  or . The systematic name of gallic acid is 3,4,5-trihydroxybenzoic acid. Salts and esters of gallic acid are called gallates. It has no relation to gallium.

 Name 
Gallic acid is named after plant galls, which contain gallic acid and tannins, which also often contain gallic acid and its esters.

"Gallic acid" would be the systematic name of gallium(III) hydroxide, if it were treated as an oxoacid of gallium. Like its structural analog aluminium hydroxide ("aluminic acid"), this compound is amphoteric and is usually named as a metal hydroxide rather than an oxoacid. Salts of the  anion are also called "gallates".

 References 

Category:Carboxylic acids
Category:Phenols