| 单词 | diphosgene |
| 释义 | diphosgene /duy fos"jeen/, n. Chem. 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. Also called trichloromethyl chloroformate. [1920-25; DI-1 + PHOSGENE] |
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