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Formamide appears as a colorless liquid with a faint odor of ammonia. Denser than water. Freezing point 36°F. (USCG, 1999) Formamide is the simplest monocarboxylic acid amide, obtained by formal condensation of formic acid with ammonia. The parent of the class of formaldehydes. It has a role as a solvent. It is a monocarboxylic acid amide, a one-carbon compound and a member of formamides. It derives from a formic acid. It is a tautomer of a formimidic acid.

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