Methyl phosphonous dichloride
3D model (JSmol)
|Molar mass||116.91 g·mol−1|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Methyldichlorophosphine (alternatively known as dichloro(methyl)phosphane and methyl phosphonous dichloride) is an organophosphorus compound with the chemical formula CH3Cl2P. It is a colorless, corrosive, flammable, and highly reactive liquid with a pungent odor. It is also extremely toxic if inhaled, can cause burns upon contact with the skin and eyes, and releases fumes of hydrochloric acid in moist environments.
Methyldichlorophosphine has a number of potential uses, but it is often used in the manufacture of nerve agents. When reacted with sulfuryl chloride it produces methylphosphonic acid dichloride, a direct chemical precursor to the nerve agents sarin, soman, and VX.