Composition comprising an iodofluorocarbon compound

A composition comprising at least 99.5% by weight of an iodofluorocarbon compound A and at most 0.5% by weight of at least one compound B chosen from water, HF, HI, IF5, I2, O2, CO2, CO and nitrogen or a mixture thereof;

• said iodofluorocarbon compound A being of formula (I) (R1)(R2)C(I)(R3) or of formula (II) (R1)(R2)C═C(I)(R3);
• wherein R1, R2 and R3 are, independently of one another, selected from the group consisting of H, F, I, a C1-C10 alkyl radical optionally substituted with at least one fluorine or iodine atom, a C3-C10 cycloalkyl radical optionally substituted with at least one fluorine or iodine atom, a C2-C10 alkenyl radical optionally substituted with at least one fluorine or iodine atom, a C3-C10 cycloalkenyl radical optionally substituted with at least one fluorine or iodine atom, and a C6-C10 aryl radical optionally substituted with at least one fluorine or iodine atom;
• on condition that at least one of the substituents R1, R2 or R3 is F or is a radical as defined above comprising at least one fluorine atom and on condition that the iodofluorocarbon compound A is not CF3I.