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Related to diphosgene: Trichloromethyl chloroformate


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


(daɪˈfɒs dʒin)

a colorless liquid, C2Cl4O2, used during World War I as a poison gas.
References in periodicals archive ?
Classification of chemical weapons (15) Nerve Gases Blister Gases Pulmonary Blood Irritants Poisons Sarin (GB) Sulfur Mustard Phosgene (CG) Cyanogen (HD) Chloride Tabun (GA) Nitrogen Diphosgene (DP) Hydrogen Mustard Cyanide (HN-mustard gases) Soman (GD) Lewisite (L) Chlorine (CL) Methylphosphono- Phosgene oxime Chloropicrin thioic acid (VX) (CX) (PS) Nerve Gases Incapacitators Vomitive Agents Sarin (GB) Psychomimetics Adamsite (DM) (3- quinuclidinyl benzilate, LSD) Tabun (GA) Opioids and Diphenylcyanoarsine Benzodiazepines (DC) Soman (GD) Tear Gases Diphenylchloroarsine Chloroacetophenone (DA) (CN), orthochloroben- zylidenemalononitrile (CS), Methylphosphono- Dibenzo [B,F] [1,4] thioic acid (VX) Oxazepine) (CR)
Choking agents Chlorine Chloropicrin Phosgene Diphosgene
Freezing points of chemical agents Agent Symbol Contact Hazard Vapor Hazard Nerve Tabun GA Extreme Low-Moderate Sarin GB Extreme Extreme Soman GD Extreme Probable VX Extreme Negligibe VR-55 Extreme Probable TGD Extreme Probable Blister Distilled mustard HD Extreme Negligibe Mustard-lewisite HL Extreme Low Nitrogen mustard HN-1 Extreme Low Nitrogen mustard HN-2 Extreme Low Lewisite L Extreme Negligible Nitrogen mustard HN-3 Extreme Low Phosgene oxime CX Extreme Low Blood Hydrogen cyanide AC Low Extreme Cyanogen choride CK Low Extreme Arsine SA Low Extreme Choking Phosgene CG Slight Extreme Diphosgene DP Slight Extreme Table 2.