The CAS registry number of 2-Butene,1,1,1,2,4,4,4-heptafluoro- is 760-42-9. This chemical's molecular formula is C₄HF₇ and molecular weight is 182.04. Its systematic name is called 1,1,1,2,4,4,4-heptafluorobut-2-ene.

Physical properties of 2-Butene,1,1,1,2,4,4,4-heptafluoro-: (1)ACD/LogP: 2.60; (2)Index of Refraction: 1.272; (3)Molar Refractivity: 21.55 cm³; (4)Molar Volume: 126.2 cm³; (5)Surface Tension: 11.3 dyne/cm; (6)Density: 1.442 g/cm³; (7)Enthalpy of Vaporization: 24.74 kJ/mol; (8)Boiling Point: 10 °C at 760 mmHg; (9)Vapour Pressure: 1290 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. You should not breathe its gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer). In case of insufficient ventilation wear suitable respiratory equipment.

You can still convert the following datas into molecular structure:
(1)SMILES: FC(F)(F)C=C(F)C(F)(F)F
(2)InChI: InChI=1/C4HF7/c5-2(4(9,10)11)1-3(6,7)8/h1H
(3)InChIKey: YIFLMZOLKQBEBO-UHFFFAOYAZ