MadSci Network: Chemistry
Query:

Re: What is the vaporization , boiling points and flash points of gasoline?

Date: Mon Oct 15 13:54:10 2001
Posted By: Dan Berger, Faculty Chemistry/Science, Bluffton College
Area of science: Chemistry
ID: 1002463068.Ch
Message:

I suggest you go to Hazard.com's MSDS database and search for "gasoline." A typical mid-grade gasoline from US Oil and Refining Co has a flash point of -43°C; all gasolines and similar hydrocarbon liquids will have flash points below the freezing point of water. This means that at ANY reasonable ambient temperature, there are dangerous quantities of fumes above any substantial amount of the gasoline.

The boiling point is a bit problematic; the gasoline I cite above lists 9 or 10 ingredients, some of which are themselves mixtures, and many of which have rather different boiling points. And different gasolines--even from the same company!--will have different ingredients, fine-tuned to meet the octane rating and the local air quality standards.

I would not attempt this experiment except in a fume hood, or outdoors, with adequate shielding and fire extinguishing equipment.

Dan Berger
Professor of Chemistry
Bluffton College




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