Formic acid is an organic compound with a chemical formula of HCOOH and a molecular weight of 46.03. It is commonly known as formic acid and is the simplest carboxylic acid.

Laboratory method Oxalic acid was heated in anhydrous glycerol and steam distilled. Or hydrolyze isoacetonitrile under the action of hydrochloric acid to obtain: Isoacetonitrile was prepared by the reaction of ethylamine and chloroform. (This reaction must be carried out in a fume hood because