Originally Posted by Mr_D
Same with regular gas, it's only the fumes that burn. That's another reason diesel will put a fire out, no fumes unless heated although atomizing will cause it to burn too.
Wow, wish I knew that now, shouldn't have been burned by the diesel then. Could have saved $200,000 in medical expenses. Of course diesel burns:
Red 2 -- Flammability: Ignites when moderately heated
Blue 1 -- Health Hazard: Slightly hazardous
Yellow 0 -- Reactivity: Normally stable
Diesel has a flash point around 146, I forget the actual ASTM number. So a spark or flame when exposÚd to diesel at 146 will ignite the diesel. Most fires I have seen are above146 degrees. A tanker truck, carrying diesel in LA recently caught fire under an underpass and destroyed it. JP 4 can be ignited by static electricity as can gasoline.
It's not highly flammable when compared to gasoline but it is flammable and classified as such.