Formaldehyde is a colourless gas with a characteristic, pungent smell. The gas is easily dissolved in water. Formaldehyde has the chemical formula CH2O and the structural formula of Formaldehyde is CH2=O.
Formaldehyde is produced through dehydrogenation of methanol in gaseous phase over a solid catalyst (silver or copper).
30.03 g/mol
Melting point: -92 °C
Boiling point: -19 °C