Evaporation rates of solvents are not always in direct proportion to the boiling points. the following table illustrates the relative number of seconds required to evaporate of dryness an equal quantity of each solvent, at room temperature and atmospheric pressure at sea level Benzene............................/15 s Heptane............................/20 s Lacquer Diluent Naphtha............/21 s Acetone............................/8 s Toluol............................./42 s Methanol.........................../16 s Ethyl Alcohol....................../43 s Isopropyl Alcohol................../43 s VM&P Naphtha......................./46 s Methyl Isobutyl Ketone............../60 s Butyl Acetate....................../100 s Xylol............................../143 s methyl Amyl Acetate................/213 s Butanol............................/222 s Amyl Acetate......................./238 s Hi Flash Naphtha..............