The chemical Formic Acid has a designated molecular formula of CH2O2 and a molecular weight of 46.025 g/mol. Synonyms may include: C1 acid, Acide formique [French], Acido formico [Italian], Add-F, AI3-24237, Ameisensaeure [German], Aminic acid, Bilorin, CCRIS 6039, Collo-bueglatt, Collo-didax, EINECS 200-579-1 (ChemID).