|Preferred IUPAC name
3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||45.041 g·mol−1|
|Melting point||2.5 °C (36.5 °F; 275.6 K)|
|Boiling point||84 °C (183 °F; 357 K)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Formaldoxime is the organic compound with the formula H2C=NOH. It is the oxime of formaldehyde. A colorless liquid, the pure compound tends to polymerize into a trimer. Aqueous solutions are stable as is the hydrochloride. It is a reagent in organic synthesis for the conversion of aryl diazonium salts to aryl aldehydes.