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Methylphosphonyl dichloride (DC) or dichloro is an organophosphorus compound. It has commercial application in oligonucleotide synthesis, [1] but is most notable as being a precursor to several chemical weapons agents. It is a white crystalline solid that melts slightly above room temperature. [2]
VX is an odorless and tasteless [13] [14] chiral organophosphorous chemical with a molecular weight of 267.37 g/mol. [15] Under standard conditions it is an amber-coloured liquid with a boiling point of 298 °C (568 °F), and a freezing point of −51 °C (−60 °F). [16]
Methyldichlorophosphine belongs to the group of halophosphines, some of which are used as intermediates in the production of plant protection agents, stabilizers for plastics, and catalysts. It is a precursor of the herbicide Glufosinate. It is also used in the production of flameproofing compounds. [4]
EA-2192 is an extremely toxic degradation product of the VX, a very potent nerve agent. [1] [2] It is a white solid that is very soluble and stable in water.EA-2192 is an extremely potent acetylcholinesterase inhibitor.
It will react with thionyl chloride to produce methylphosphonic acid dichloride, which is used in the production of sarin and soman nerve agents. Various amines can be used to catalyse this process. [3] It can be used as a sarin-simulant for the calibration of organophosphorus detectors.
EA-3148 (Substance 100A) is a "V-series" nerve agent related to the better-known compounds VX and VR. [1] It was studied by both the US and Soviet chemical weapons programmes during the Cold War, and is notable as the only V-series organophosphate nerve agent specifically identified in public domain sources as having a higher absolute potency as an acetylcholinesterase inhibitor than VX ...
QL is a component in binary chemical weapons, mainly VX nerve agent. [3] 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. [4]
EA-3990 is a deadly carbamate nerve agent. It is lethal because it inhibits acetylcholinesterase. [1] Inhibition causes an overly high accumulation of acetylcholine between the nerve and muscle cells. This paralyzes the muscles by preventing their relaxation. The paralyzed muscles include the muscles used for breathing. [2]