Diphosgene
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Diphosgene is an organic chemical compound with the formula ClCO2CCl3. This colorless liquid is a valuable reagent in the synthesis of organic compounds. Diphosgene is related to phosgene and has comparable toxicity, but is more conveniently handled because it is a liquid, whereas phosgene is a gas.
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Trichloromethyl carbonochloridate | |
Other names
Trichloromethyl chloroformate, surpalite | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.007.242 |
EC Number |
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PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C2Cl4O2 | |
Molar mass | 197.82 g/mol |
Appearance | liquid at room temperature |
Density | 1.65 g/cm3 |
Melting point | −57 °C (−71 °F; 216 K) |
Boiling point | 128 °C (262 °F; 401 K) |
insoluble, reacts | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
highly toxic, maybe corrosive; asphyxiant |
GHS labelling: | |
Danger | |
H300, H301, H314, H330 | |
P260, P264, P270, P271, P280, P284, P301+P310, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P320, P321, P330, P363, P403+P233, P405, P501 | |
Flash point | 32 °C (90 °F; 305 K) |
Related compounds | |
Related compounds |
COCl2, Cl2 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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