Hexane autoignition temperature

Properties of the principal hydrocarbons found in commercial hexane are shown in Table 9. The flash point of / -hexane is —21.7 °C and the autoignition temperature is 225°C. The explosive limits of hexane vapor in air are 1.1—7.5%. Above 2°C the equiUbrium mixture of hexane and air above the Hquid is too rich to fall within these limits (42). 

Group D gases, but hexane or gasoline, owing to their lower autoignition temperatures. For Group C tests, ethylene can be used for all test stages. 

HEXANE or -HEXANE (110-54-3) C H,4 Highly flammable liquid extremely low ignition temperature makes it very dangerous. Forms explosive mixture with air [explosion limits in air (vol %) 1.1 to 7.5 flash point -7°F/-22°C autoignition temp 437°F/225°C Fire Rating 3]. Violent reaction with strong oxidizers bromine, chlorine, fluorine, chromic acid, sodium peroxide. Contact with dinitrogen tetraoxide may explode at 82°F/28°C. Incompatible... 

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