The CAS registry number of 2-Butene,1,1,1,4,4,4-hexafluoro-, (2E)- is 66711-86-2. This chemical's molecular formula is C₄H₂F₆ and molecular weight is 164.0491. Its systematic name is called (2E)-1,1,1,4,4,4-hexafluorobut-2-ene.

Physical properties of 2-Butene,1,1,1,4,4,4-hexafluoro-, (2E)-: (1)ACD/LogP: 2.41; (2)ACD/LogD (pH 5.5): 2.41; (3)ACD/LogD (pH 7.4): 2.41; (4)ACD/BCF (pH 5.5): 40.01; (5)ACD/BCF (pH 7.4): 40.01; (6)ACD/KOC (pH 5.5): 488.03; (7)ACD/KOC (pH 7.4): 488.03; (8)Index of Refraction: 1.284; (9)Molar Refractivity: 21.55 cm³; (10)Molar Volume: 120.9 cm³; (11)Surface Tension: 12.1 dyne/cm; (12)Density: 1.356 g/cm³; (13)Enthalpy of Vaporization: 24.63 kJ/mol; (14)Boiling Point: 8.7 °C at 760 mmHg; (15)Vapour Pressure: 1340 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical may catch fire in contact with air and only need brief contact with an ignition source which has a very low flash point or evolve highly flammable gases in contact with water.

You can still convert the following datas into molecular structure:
(1)SMILES: FC(F)(F)/C=C/C(F)(F)F
(2)InChI: InChI=1/C4H2F6/c5-3(6,7)1-2-4(8,9)10/h1-2H/b2-1+
(3)InChIKey: NLOLSXYRJFEOTA-OWOJBTEDBS