diphosgene


noun Chemistry.

  1. a colorless liquid, C2Cl4O2, usually derived from methyl formate or methyl chloroformate by chlorination: a World War I poison gas now used chiefly in organic synthesis.

noun

  1. 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: ClCOOCCl 3

n.

  1. A colorless liquid that is used in organic synthesis and whose vapor was used as a poison gas in World War I.trichlormethyl chloroformate

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