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ChemicalBook CAS DataBase List 1,1,2,3,3,3-HEXAFLUOROPROPYL IODIDE
431-90-3

1,1,2,3,3,3-HEXAFLUOROPROPYL IODIDE synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with hydrogen iodide;oxygen at 270; under 2250.23 Torr;

Steps:

2 Example 2

A chromium oxyfluoride catalyst containing between 15% and 20% by weight of fluorine was introduced into a tubular reactor made of Inconel 600. The catalyst was preactivated in the presence of an O2 gas stream at a temperature of 300° C. A gaseous stream of hexafluoropropene and a gaseous stream of hydrogen iodide prepared from H2 and I2 (HFP/HI mole ratio=1/2) were passed over this catalyst at a temperature of 270° C. under 3 bar. At the reactor outlet, the gases were washed and then dried and condensed in a cold trap. A sample was taken and analyzed by gas chromatography (area percentage). The conversion of hexafluoropropene was 95% for a selectivity towards CF3-CHF-CF2I of 97%.

References:

US2023/75839,2023,A1 Location in patent:Paragraph 0123