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Formic acid (also called methanoic acid) is the simplest carboxylic acid. The chemical formula is HCOOH or HCO2H.
F 1520 (OTTO) Formic acid, 80-85% Cas 64-18-6 - used in place of mineral acids for various cleaning products, such as limescale remover and toilet bowl cleaner. Some formate esters are artificial flavorings or perfumes.