Reported in EPA TSCA Inventory.

The Hexafluoroisobutylene, with the CAS registry number 382-10-5, is also known as 3,3,3,4,4,4-Hexafluoroisobutylene. Its EINECS registry number is 206-840-6. This chemical's molecular formula is C₄H₂F₆ and molecular weight is 164.05. Its IUPAC name is called 3,3,3-trifluoro-2-(trifluoromethyl)prop-1-ene.

Physical properties of Hexafluoroisobutylene: (1)ACD/LogP: 2.26; (2)ACD/LogD (pH 5.5): 2.26; (3)ACD/LogD (pH 7.4): 2.26; (4)ACD/BCF (pH 5.5): 30.9; (5)ACD/BCF (pH 7.4): 30.9; (6)ACD/KOC (pH 5.5): 405.61; (7)ACD/KOC (pH 7.4): 405.61; (8)Index of Refraction: 1.274; (9)Molar Refractivity: 21.06 cm³; (10)Molar Volume: 122.2 cm³; (11)Surface Tension: 11.2 dyne/cm; (12)Density: 1.342 g/cm³; (13)Enthalpy of Vaporization: 24.38 kJ/mol; (14)Boiling Point: 5.7 °C at 760 mmHg; (15)Vapour Pressure: 1490 mmHg at 25°C.

Preparation of Hexafluoroisobutylene: this chemical can be prepared by 2-trifluoromethyl-3,3,3-trifluoropropanol. This reaction will need reagent KOH. The yield is about 80%.

Uses of Hexafluoroisobutylene: it can be used to produce trifluoro-methanesulfonic acid 1,1-difluoro-2-trifluoromethyl-allyl ester at temperature of 0 - 25 °C. This reaction is a kind of Substitution. The yield is about 63%.

When you are using this chemical, please be cautious about it as the following:
This chemical is highly flammable. It is toxic by inhalation. 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)Canonical SMILES: C=C(C(F)(F)F)C(F)(F)F
(2)InChI: InChI=1S/C4H2F6/c1-2(3(5,6)7)4(8,9)10/h1H2
(3)InChIKey: QMIWYOZFFSLIAK-UHFFFAOYSA-N

The toxicity data is as follows: