Diphosgene

Diphosgene
Diphosgene
Diphosgene
Names
Preferred IUPAC name
Trichloromethyl carbonochloridate
Other names
Trichloromethyl chloroformate, surpalite
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.242 Edit this at Wikidata
EC Number
  • 207-965-9
RTECS number
  • LQ7350000
UNII
  • InChI=1S/C2Cl4O2/c3-1(7)8-2(4,5)6 checkY
    Key: HCUYBXPSSCRKRF-UHFFFAOYSA-N checkY
  • InChI=1/C2Cl4O2/c3-1(7)8-2(4,5)6
    Key: HCUYBXPSSCRKRF-UHFFFAOYAO
  • ClC(=O)OC(Cl)(Cl)Cl
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:
GHS05: CorrosiveGHS06: Toxic
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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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.