The 1-Bromo-1-fluoroethylene with its cas register number is 420-25-7. It also can be called as Ethene,1-bromo-1-fluoro- (9CI) and the Systematic name about this chemical is 1-bromo-1-fluoroethene.

Physical properties about 1-Bromo-1-fluoroethylene are: (1)ACD/LogP: 1.68; (2)ACD/LogD (pH 5.5): 1.68; (3)ACD/LogD (pH 7.4): 1.68; (4)ACD/BCF (pH 5.5): 11.07; (5)ACD/BCF (pH 7.4): 11.07; (6)ACD/KOC (pH 5.5): 194.51; (7)ACD/KOC (pH 7.4): 194.51; (8)Index of Refraction: 1.414; (9)Molar Refractivity: 18.77 cm³; (10)Molar Volume: 75 cm³; (11)Polarizability: 7.44x10^-24cm³; (12)Surface Tension: 19.8 dyne/cm; (13)Enthalpy of Vaporization: 24.98 kJ/mol; (14)Vapour Pressure: 1160 mmHg at 25°C

When you are using this chemical, please be cautious about it as the following:
This chemical is flammable. When you are using it, please keep away from sources of ignition and not breathe vapour. 

You can still convert the following datas into molecular structure:
(1)SMILES: Br/C(F)=C
(2)InChI: InChI=1/C2H2BrF/c1-2(3)4/h1H2
(3)InChIKey: LNKSRHHQKNUTLI-UHFFFAOYAT
(4)Std. InChI: InChI=1S/C2H2BrF/c1-2(3)4/h1H2
(5)Std. InChIKey: LNKSRHHQKNUTLI-UHFFFAOYSA-N