The CAS register number of 3,4-Difluorostyrene is 405-03-8. It also can be called as 1,2-Difluoro-4-vinylbenzene and the systematic name about this chemical is 4-ethenyl-1,2-difluorobenzene. The molecular formula about this chemical is C₈H₆F₂ and the molecular weight is 140.1300464.

Physical properties about 3,4-Difluorostyrene are: (1)ACD/LogP: 2.74; (2)ACD/LogD (pH 5.5): 2.74; (3)ACD/LogD (pH 7.4): 2.74; (4)ACD/BCF (pH 5.5): 71.51; (5)ACD/BCF (pH 7.4): 71.51; (6)ACD/KOC (pH 5.5): 739.53; (7)ACD/KOC (pH 7.4): 739.53; (8)#Freely Rotating Bonds: 1; (9)Index of Refraction: 1.512; (10)Molar Refractivity: 37.16 cm³; (11)Molar Volume: 123.8 cm³; (12)Polarizability: 14.73x10^-24cm³; (13)Surface Tension: 28.6 dyne/cm; (14)Flash Point: 31.7 °C; (15)Enthalpy of Vaporization: 36.77 kJ/mol; (16)Boiling Point: 146.5 °C at 760 mmHg; (17)Vapour Pressure: 5.83 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Fc1ccc(C=C)cc1F
(2)InChI: InChI=1/C8H6F2/c1-2-6-3-4-7(9)8(10)5-6/h2-5H,1H2
(3)InChIKey: VPKZWIGZODEBDP-UHFFFAOYAP
(4)Std. InChI: InChI=1S/C8H6F2/c1-2-6-3-4-7(9)8(10)5-6/h2-5H,1H2
(5)Std. InChIKey: VPKZWIGZODEBDP-UHFFFAOYSA-N