diphosgene(redirected from trichlormethyl chloroformate)
Also found in: Medical, Encyclopedia.
A colorless liquid, C2Cl4O2, used in organic synthesis. Its vapor was used as a poison gas in World War I.
(Elements & Compounds) an oily liquid with an extremely poisonous vapour, made by treating methanol with phosgene and chlorinating the product: has been used in chemical warfare. Formula: ClCOOCCl3
a colorless liquid, C2Cl4O2, used during World War I as a poison gas.