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蒸汽密度
7.24 (vs air)
质量水平
蒸汽压
12.79 psi ( 20 °C)
检测方案
≥95.0% (GC)
形式
liquid
折射率
n20/D 1.398 (lit.)
n20/D 1.398
bp
22-23 °C (lit.)
mp
−142-−141 °C (lit.)
密度
2.297 g/mL at 25 °C (lit.)
储存温度
2-8°C
SMILES字符串
FC(F)(Br)Br
InChI
1S/CBr2F2/c2-1(3,4)5
InChI key
AZSZCFSOHXEJQE-UHFFFAOYSA-N
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一般描述
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.
应用
- 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).
其他说明
作为反应物与羰基化合物通过 Wittig 烯化反应转化成二氟亚甲基或氟亚甲基衍生物；二氟卡宾的前体
警示用语：
Warning
危险分类
Eye Irrit. 2 - Ozone 1 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Gloves
法规信息
监管及禁止进口产品
Free Radical Additions Involving Fluorine Compounds. IV. The Addition of Dibromodifluoromethane to Some Fluoroolefins1.
Tarrant P, et al.
Journal of the American Chemical Society, 77(10), 2783-2787 (1955)
H.P. Fritz et al.
Zeitschrift fur Naturforschung, B: Chemical Sciences, 86, 1375-1375 (1981)
Free Radical Additions Involving Fluorine Compounds. I. The Addition of Dibromodifluoromethane to Hydrocarbon Olefins.
Tarrant P and Lovelace AM.
Journal of the American Chemical Society, 76(13), 3466-3468 (1954)
Addition reactions of dibromodifluoromethane promoted by sulfinatodehalogenation reagents.
Wu F-H, et al.
Journal of Fluorine Chemistry, 80(2), 91-94 (1996)
Lisa George et al.
The Journal of chemical physics, 132(8), 084503-084503 (2010-03-03)
The photolysis products of dibromodifluoromethane (CF(2)Br(2)) were characterized by matrix isolation infrared and UV/Visible spectroscopy, supported by ab initio calculations. Photolysis at wavelengths of 240 and 266 nm of CF(2)Br(2):Ar samples (approximately 1:5000) held at approximately 5 K yielded iso-CF(2)Br(2)
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