formaldehyde FORMALDEHYDE Formaldehyde FORMALIN An aldehyde resulting from the formal oxidation of methanol. Oxomethane Formaldehyd Methylene oxide Formaldehyde Methanal formaldehyde formaldehyde Oxomethylene Formalin aldehyde disinfectant carcinogenic agent allergen one-carbon compound mouse metabolite Saccharomyces cerevisiae metabolite Escherichia coli metabolite EC 3.5.1.4 (amidase) inhibitor environmental contaminant