The present disclosure provides a process for producing trifluoroacetyl iodide (TFAI) from trifluoroacetyl chloride (TFAC) and hydrogen iodide (HI) via reactive distillation. The process may be conducted in the presence or absence of a catalyst. The process may be conducted in the presence or absence of a solvent.

The present disclosure provides a process for producing trifluoroacetyl iodide (TFAI) from trifluoroacetyl chloride (TFAC) and hydrogen iodide (HI) via reactive distillation. The process may be conducted in the presence or absence of a catalyst. The process may be conducted in the presence or absence of a solvent.

Described herein is method of making a halogenated partially fluorinated compound, comprising: (a) providing a compound having the following structure of formula (I): R.sub.f—CF═CXY wherein X and Y are independently selected from F and Cl; wherein R.sub.f is a fluorinated monovalent group comprising 1 to 10 carbon atoms; (b) contacting the compound with at least one of (i) an iodine or bromine containing salt in the presence of an acid; and (ii) aqueous solution of HZ wherein Z is selected from I and Br to form the halogenated partially fluorinated compound of the formula (II): R′.sub.f—CFH—CXYZ wherein X and Y are independently selected from F and Cl; Z is selected from I and Br; and R′.sub.f is a fluorinated monovalent group comprising 1 to 10 carbon atoms.

Described herein is method of making a halogenated partially fluorinated compound, comprising: (a) providing a compound having the following structure of formula (I): R.sub.f—CF═CXY wherein X and Y are independently selected from F and Cl; wherein R.sub.f is a fluorinated monovalent group comprising 1 to 10 carbon atoms; (b) contacting the compound with at least one of (i) an iodine or bromine containing salt in the presence of an acid; and (ii) aqueous solution of HZ wherein Z is selected from I and Br to form the halogenated partially fluorinated compound of the formula (II): R′.sub.f—CFH—CXYZ wherein X and Y are independently selected from F and Cl; Z is selected from I and Br; and R′.sub.f is a fluorinated monovalent group comprising 1 to 10 carbon atoms.

Object: An object of the present invention is to provide a method for producing, with a high yield, a fluorinated organic compound, the fluorinated organic compound having not been produced with a sufficient yield by a conventional method for producing a fluorinated organic compound using a fluorinating agent containing IF.sub.5-pyridine-HF alone. Another object of the present invention is to provide a fluorinating reagent. Means for achieving the object: A method for producing a fluorinated organic compound comprising step A of fluorinating an organic compound by bringing the organic compound into contact with (1) IF.sub.5-pyridine-HF and (2) at least one additive selected from the group consisting of amine hydrogen fluorides, X.sup.aF (wherein X.sup.a represents hydrogen, potassium, sodium, or lithium), oxidizers, and reducing agents.

Object: An object of the present invention is to provide a method for producing, with a high yield, a fluorinated organic compound, the fluorinated organic compound having not been produced with a sufficient yield by a conventional method for producing a fluorinated organic compound using a fluorinating agent containing IF.sub.5-pyridine-HF alone. Another object of the present invention is to provide a fluorinating reagent. Means for achieving the object: A method for producing a fluorinated organic compound comprising step A of fluorinating an organic compound by bringing the organic compound into contact with (1) IF.sub.5-pyridine-HF and (2) at least one additive selected from the group consisting of amine hydrogen fluorides, X.sup.aF (wherein X.sup.a represents hydrogen, potassium, sodium, or lithium), oxidizers, and reducing agents.

The present disclosure provides a process for producing trifluoroiodomethane (CF.sub.3I). The process includes providing vapor-phase reactants including trifluoroacetyl halide, hydrogen, and iodine, heating the vapor-phase reactants, and reacting the heated vapor-phase reactants in the presence of a catalyst to produce trifluoroiodomethane. The catalyst includes a transition metal.

The present disclosure provides a process for producing trifluoroiodomethane (CF.sub.3I). The process includes providing vapor-phase reactants including trifluoroacetyl halide, hydrogen, and iodine, heating the vapor-phase reactants, and reacting the heated vapor-phase reactants in the presence of a catalyst to produce trifluoroiodomethane. The catalyst includes a transition metal.

The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF.sub.3I) and trifluoroacetyl chloride (CF.sub.3COCl), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining trifluoroacetyl chloride (CF.sub.3COCl) and trifluoroiodomethane (CF.sub.3I) to form an azeotrope or azeotrope-like composition.

The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF.sub.3I) and trifluoroacetyl chloride (CF.sub.3COCl), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining trifluoroacetyl chloride (CF.sub.3COCl) and trifluoroiodomethane (CF.sub.3I) to form an azeotrope or azeotrope-like composition.