| abstract |
(57) [Summary] [Structure] A refrigerant composition comprising a fluorine-containing aromatic compound represented by the general formula [I] and a fluoroalkane-based refrigerant, wherein the fluoroalkane-based refrigerant contains chlorine-containing fluorine. A refrigerant composition comprising at least 0.01 to 100% by weight of a modified alkane-based refrigerant. R (XRf) n [I] [wherein X is an O or S atom. R is n having 6 to 60 C numbers Valent aromatic group. n is an integer of 1 to 4. Rf represents a fluorocarbon group or a partial substitution product thereof, the number of carbon atoms in Rf is in the range of 1 to 25, and the ratio of the number of fluorine atoms / the number of carbon atoms in Rf is 0.6. That is all. [Effect] This fluorine-containing aromatic compound exhibits good compatibility with a fluoroalkane-based refrigerant including a chlorine-containing fluoroalkane-based refrigerant in a wide temperature range from a low temperature range to a high temperature range, and CFC-12 and the like. The refrigerant composition is extremely stable even in the coexistence of the chlorine-based refrigerant, and exhibits excellent lubricating properties, and therefore, the refrigerant composition is extremely useful for refrigeration systems. |