3D model (JSmol)
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|Molar mass||45.04 g/mol|
|Except where noted otherwise, data are given for|
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
Formamide, also known as methanamide, is an amide derived from formic acid. It is a clear liquid which is miscible with water and has an ammonia-like odor. It is used primarily for manufacturing sulfa drugs and synthesizing vitamins and as a softener for paper and fiber. In its pure form, it dissolves many ionic compounds that are insoluble in water, so it is also used as a solvent.
Formamide is also used as an RNA stabiliser in gel electrophoresis by deionizing RNA.
Formamide, in its pure state, has been used as an alternative solvent for the electrostatic self-assembly of polymer nanofilms.1
- HCOONH4 → HCONH2 + H2O
Vapour density: 1.55 (air = 1)
Vapour pressure: 0.08 mm Hg (11 Pa) at 20 °C
Flash point: 154 °C (open cup)
pKa (DMSO): 23.5 (J. Org. Chem. 1978, 43, 3095)