... product has a heat of vaporization of 88.1 kJ/kga and low vapor pressure. Although it ... as dodecafluoro-2-methylpentane-3-one; its ASHRAE nomenclature is FK 5-1-12 — the way ... a fluorinated ketone with the systematic name 1,1,1,2,2,4,5,5,5-nonafluoro-4 ... 3-pentanone and the structural formula CF3CF2C(=O)CF(CF3)2, a fully fluorinated analog of ethyl isopropyl ketone. Perfluoro(2-methyl-3 ...