C2Cl4O2
197.8 g/mol
Industrial ChemicalDanger
Trichloromethyl chloroformate
CAS503-38-8EC207-965-9
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Chemical intermediate and military poison gas
Trichloromethyl chloroformate, commonly known as diphosgene, is an organic compound used as a chemical intermediate and a military poison gas. It is a colorless liquid with a pungent odor, and its structure features an ether linkage and multiple chlorine atoms.
Chemical intermediate for organic synthesisMilitary poison gasSynthesis of isocyanides
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 503-38-8
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Safety Reference
Danger
H300Fatal if swallowed
H314Causes severe skin burns and eye damage
H330Fatal if inhaled
Identifiers
IUPAC Name
trichloromethyl carbonochloridate
InChIKey
HCUYBXPSSCRKRF-UHFFFAOYSA-N
SMILES
C(=O)(OC(Cl)(Cl)Cl)Cl
Synonyms (19)
- Difosgen
- Difosgen [Czech]
- Diphosgen
- Perchloromethyl formate
- Trichloromethyl chloroformate
- di-Phosgene
- trichioromethyl chloroformate
- tricloromethyl chloroformate