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About This Item
Empirical Formula (Hill Notation):
CBr2F2
CAS Number:
Molecular Weight:
209.82
Beilstein:
1732515
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
vapor density
7.24 (vs air)
Quality Level
vapor pressure
12.79 psi ( 20 °C)
Assay
≥95.0% (GC)
form
liquid
refractive index
n20/D 1.398 (lit.)
n20/D 1.398
bp
22-23 °C (lit.)
mp
−142-−141 °C (lit.)
density
2.297 g/mL at 25 °C (lit.)
functional group
bromo
fluoro
storage temp.
2-8°C
SMILES string
FC(F)(Br)Br
InChI
1S/CBr2F2/c2-1(3,4)5
InChI key
AZSZCFSOHXEJQE-UHFFFAOYSA-N
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General description
The photolysis products of dibromodifluoromethane were characterized by matrix isolation infrared and UV/Visible spectroscopy. Free radical addition of dibromodifluoromethane with fluoroolefins has been reported. Dibromodifluoromethane reacts with hydrocarbon olefins to yield 1,3-dibromo-1,1-difluoroalkene. Sulfinatodehalogenation reagent promoted addition reaction of difluorodibromomethane with alkenes, alkynes and cyclic enol ethers has been described.
Application
- Synthesis of 3‑Fluoropyrazoles via Radical-Polar Crossover Photoinduced Cyclization: This study highlights the use of dibromodifluoromethane (CF2Br2) for the synthesis of valuable difluorinated and monofluorinated compounds through a novel photoinduced cyclization process (MA Reed, ND Patil, Synfacts, 2023).
Other Notes
Reagent for the Wittig olefination of carbonyl compounds to difluoromethylene and fluoromethylene derivatives; Precursor of difluorocarbene
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Ozone 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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