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Jack Z
You are right about the boiling points for Toluene (110 C) and Xylene (about 135 to 140 C). I said that the data I had was not clear for gasoline, actually my chemical dictionary is quite old so the information is probably for the old leaded gas. In any event, the boiling point for gasoline is listed as 60-200 C. I am not sure how much the boiling point range would have changed when the switch was made to unleaded many years ago. By the way, the boiling point for Benzene is 80 C which certainly makes it more volatile than the other two.
Wayne
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