Dibromodifluoromethane

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Dibromodifluoromethane
Dibromodifluoromethane.png
Identifiers
CAS number 75-61-6 YesY
PubChem 6382
ChemSpider 6142 YesY
EC number 200-885-5
ChEMBL CHEMBL499553 YesY
RTECS number PA7525000
Jmol-3D images Image 1
Properties
Molecular formula CBr2F2
Molar mass 209.82 g/mol
Appearance Colourless gas/liquid
Density 8.7 kg/m³ (for gas)

2.27 g/cm³ (for liquid)

Melting point -101.1°C
Boiling point 22.8 °C
Solubility in water Insoluble
log P 1.99
Vapor pressure 83 kPa at 20 °C
Hazards
S-phrases S23, S24/25
Main hazards Dangerous for the environment (N)
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY (verify) (what is: YesY/N?)
Infobox references

Dibromodifluoromethane is a mixed halomethane. It is a colorless non-flammable liquid.

Along with Halons 1211, 2402, and 1301, it is the most effective fire extinguishers, however, also the most toxic one.[clarification needed]

It is a class I ozone depleting substance (ODS).

Table of physical properties[edit]

Property Value
Density (ρ) at 15 °C (liquid) 2.3063 g.cm−3
Critical temperature (Tc) 198.3 °C (471.3 K)
Critical pressure (pc) 4.13 MPa (40.8 bar)
Refractive index (n) at 20 °C, D 1.398
Dipole moment 0.7 D
Ozone depletion potential (ODP) 0.4 (CCl3F = 1)

External links[edit]