| Identification | Back Directory | [Name]
DIOXYGEN DIFLUORIDE | [CAS]
7783-44-0 | [Synonyms]
fluorine dioxide
Peroxy difluoride
Perfluoroperoxide
oxygen(I) fluoride
DIOXYGEN DIFLUORIDE | [Molecular Formula]
F2O2 | [MOL File]
7783-44-0.mol |
| Chemical Properties | Back Directory | [Melting point ]
-154°C (119 K); Early prepns, described as brown gas, red liq and orange solid (mp -163.5°), probably contained other fluorine-oxygen compounds as impurities: Goetschel et al., loc. cit | [Boiling point ]
-56.12°C (estimate) | [density ]
3.071g/L [LID94] | [form ]
gas, stable only at low temperature | [color ]
red-orange solid,
unstable gas |
| Hazard Information | Back Directory | [Chemical Properties]
thermally unstable gas at room temp; pale yellow solid or yellow liquid; enthalpy of vaporization 19.1kJ/mol; produced by reacting O2 and F2 at cryogenic temperatures in an electrical discharge [KIR78] [MER06] [CRC10] | [Definition]
ChEBI: Dioxygen difluoride is a fluorine oxide. |
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