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This is not the same temperature as the flash point (as read elsewhere on this web site). Flash point of gasoline is negative 45 degrees Fahrenheit, where vapors form fast enough to not be diluted by the air so that the fuel to air ratio is high enough that an alternate source of very high heat (like a spark) can ignite the vapors momentarily, thus removing the vapors from the considered area, and the fire extinguishes. Thus, a flash is seen, hence the term flash point.

The fire point is the temperatue where vapors form fast enough to sustain a combustible fuel/air mixture.

Ignition point is the temperature of the aforementioned alternate source of high heat, such as a spark, that ignites the a mixture of air and fuel or oxidizer and fuel. I've read elsewhere the ignition point of gasoline and oxygen is 280 degrees Celcius (536 degrees Fahrenheit), and I came here looking for confirmation.

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Q: What is the auto ignition temperature of gasoline?
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