formaldehyde pollutant molecule, flat icon style. atoms shown as circles. known carcinogen.

formaldehyde pollutant molecule flat icon style atoms shown as circles known carcinogen silhouette outline chemical concept abstract stylized illustration isolated medicine medicinal drug research shape form symbol pharmaceutical pharma simple therapy biotech chemistry science scientific structure methanal aldehyde gas disinfectant formalin preservative volatile indoor methylene glycol oxide methyl formol biocide vaccine embalming fixative tissue pollution vector