Chlorosoman is a chlorine analog of soman. It is a highly toxic organophosphorus compound and is used as the precursor substance for soman nerve agent. Its physical properties are estimated. Soman is insoluble in water, with a boiling point of 223 °C and a melting point of -27 °C. Chlorosoman is at least 2.5 times less toxic than soman.Ledgard, J. A Laboratory History of Chemical Warfare Agents.
The chlorosoman (ClG) series of compounds is used more as a precursor to highly toxic compounds. For example, soman is a precursor to EA-2613 and EA-3209.
Synthesis ClG follows the same synthetic route as soman, with fluoridation being omitted. Chlorosoman is prepared by the Finkelstein reaction between a solution of sodium chloride in DMF and soman.cit-OPDC. The preparatory manual to chemical warfare. Vol 1:ClG-agents. A fluoride substitution is hypothetically made by the metathetic reaction between soman, anhydrous aluminum chloride, and sodium chloride in a suitable solvent, precipitating sodium hexafluoroaluminate.
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