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1.468 g/mL at 20 °C Melting point: 28 to 34 °C (82 to 93 °F; 301 to 307 K) ... Methylphosphonyl dichloride (DC) or dichloro is an organophosphorus compound.
116.91 g·mol −1 Appearance ... (methyl)phosphane, SW and methylphosphonous dichloride) is an organophosphorus compound with the chemical formula CH 3 PCl 2. It is ...
Dimethyl methylphosphonate can be prepared from trimethyl phosphite and a halomethane (e.g. iodomethane) via the Michaelis–Arbuzov reaction. [2]Dimethyl methylphosphonate is a schedule 2 chemical as it may be used in the production of chemical weapons.
CH 3 PO(OC 2 H 5) 2 + 2 Me 3 SiCl → CH 3 PO(OSiMe 3) 2 + 2 C 2 H 5 Cl CH 3 PO(OSiMe 3 ) 2 + 2H 2 O → CH 3 PO(OH) 2 + 2 HOSiMe 3 The reaction pathway proceeds via the siloxyphosphonate intermediate due to the difficulty in directly hydrolysing dialkylphosphonates.
It, along with methylphosphonyl difluoride (DF), was developed during the 1980s in order to replace an aging stockpile of unitary chemical weapons. [3] QL is listed as a Schedule 1 chemical by the Chemical Weapons Convention .
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Methylphosphonyl difluoride (DF), also known as EA-1251 [2] or difluoro, [3] is a chemical weapon precursor. Its chemical formula is CH 3 POF 2 . It is a Schedule 1 substance under the Chemical Weapons Convention .
Methyldichloroarsine, sometimes abbreviated "MD" and also known as methyl Dick, [1] is an organoarsenic compound with the formula CH 3 AsCl 2. This colourless volatile liquid is a highly toxic vesicant that has been used in chemical warfare .