Question: is formaldehyde liquid at room temperature?
Answer: At room temperature, formaldehyde is a colorless, flammable gas that has a distinct, pungent smell. It is also known as methanal, methylene oxide, oxymethyline, methylaldehyde, and oxomethane. ... Formaldehyde, solutions (formalin) (corrosive) appears as a colorless liquid with a pungent irritating odor.