TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Component: The azeotrope-like compositions comprise 2-25 preferably 3-17 wt.% water, and 98-75 preferably 97-83 wt.% 1,1,1,3,3-pentafluoropropane (HFC-245fa).Preferred Component: The sprayable composition is an aerosol or cosmetic material. The material to be sprayed is a medicinal material, deodorants, perfumes, hair sprays, cleansers, polishing agents, anti-asthma, or antihalitosis medications.The premix further comprises component(s) consisting of hydrofluorocarbons, 4-7C hydrocarbons, or inert gases, preferably difluoromethane, difluoroethane, trifluoroethane, tetrafluoroethane, pentafluoropropane, hexafluoropropane, heptafluoropropane, butane, isobutene, n-pentane, isopentane, cyclopentane, hexane, isohexane, air, nitrogen, or carbon dioxide. The component(s) also comprises dispersing agents, cell stabilizers, flame retardants, or surfactants.Preferred Condition: The mixture of 1,1,1,3,3-pentafluoropropane and water is phase separated to remove bulk amounts of water before conducting the distillation. Water is removed from 1, 1,1,3,3-pentafluoropropane by a combination of distilling and drying media.    TECHNOLOGY FOCUS - POLYMERS - Preferred Component: The premix also comprises component(s) consisting of silicone oils, polysiloxane polyoxyalkylene block copolymers, tris(2-chloroethyl)phosphate, tris(2-chloropropyl)phosphate, tris(2,3-dibromopropyl)phosphate, tris(1,3-dichloropropyl)phosphate, halogenated aromatic compounds, or polyvinyl chloride.Preferred Composition: The premix comprises 1-60 wt.% blowing agent per 100 parts of polyol.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The premix also comprises component(s) consisting of diammonium phosphate, antimony oxide, or aluminum trihydrate. The drying media comprises molecular sieve or silica alumina. EXAMPLE - An ebulliometer comprising a vacuum-jacketed tube with a condenser on top was used. About 20 g HFC-245fa were charged to the ebulliometer and water was added in small, measured increments. The temperature was measured using a platinum resistance thermometer. When water was added in no more than 2 wt.%, the boiling point of the composition changed by only 0.3 degrees C. From 2 wt.% water to 70 wt.% water, the temperature changed by less than 0.1 degrees C. Thus, the composition boils as a constant-boiling composition over this range.