Fuels and Chemicals - Autoignition Temperatures
The ignition point for some common fuels and chemicals butane, coke, hydrogen, petroleum and more
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The Autoignition Temperature - or the minimum temperature required to ignite a gas or vapor in air without a spark or flame being present - are indicated for some common fuels below:
| Fuel or Chemical | Autoignition Temperature | |
|---|---|---|
| (oC) | (oF) | |
| Acetaldehyde | 175 | 347 |
| Acetic acid | 427 | 801 |
| Acetone, propanone | 465 | 869 |
| Acetylene | 305 | 581 |
| Anthracite - glow point | 600 | 1112 |
| Benzene | 560 | 1040 |
| Bituminous coal - glow point | 454 | 850 |
| Butane | 405 | 761 |
| Butyl acetate | 421 | 790 |
| Butyl alcohol | 345 | 653 |
| Butyl methyl ketone | 423 | 793 |
| Carbon | 700 | 1292 |
| Carbon disulfide, CS2 | 90 | 194 |
| Carbon monoxide | 609 | 1128 |
| Charcoal | 349 | 660 |
| Coal-tar oil | 580 | 1076 |
| Coke | 700 | 1292 |
| Cyclohexane | 245 | 473 |
| Cyclohexanol | 300 | 572 |
| Cyclohexanone | 420 | 788 |
| Dichloromethane | 600 | 1112 |
| Diethylamine | 312 | 594 |
| Diethylether | 160 | 320 |
| Diethanolamine | 662 | 1224 |
| Diesel, Jet A-1 | 210 | 410 |
| Diisobutyl ketone | 396 | 745 |
| Diisopropyl ether | 443 | 829 |
| Dimethyl sulphoxide | 215 | 419 |
| Dodecane, dihexyl | 203 | 397 |
| Epichlorohydrin | 416 | 781 |
| Ethane | 515 | 959 |
| Ethylene. ethene | 490 | 914 |
| Ethyl acetate | 410 | 770 |
| Ethyl Alcohol, Ethanol | 365 | 689 |
| Fuel Oil No.1 | 210 | 410 |
| Fuel Oil No.2 | 256 | 494 |
| Fuel Oil No.4 | 262 | 505 |
| Furfural | 316 | 601 |
| Heavy hydrocarbons | 750 | 1382 |
| Heptane | 204 | 399 |
| Hexane | 223 | 433 |
| Hexadecane, cetane | 202 | 396 |
| Hydrogen | 500 | 932 |
| Gas oil | 336 | 637 |
| Gasoline, Petrol | 246 - 280 | 475 - 536 |
| Glycerol | 370 | 698 |
| Gun Cotton | 221 | 430 |
| Kerosene | 295 | 563 |
| Isobutane | 462 | 864 |
| Isobutene | 465 | 869 |
| Isobutyl alcohol | 426 | 799 |
| Isooctane | 447 | 837 |
| Isopentane | 420 | 788 |
| Isopropyl alcohol | 399 | 750 |
| Isophorone | 460 | 860 |
| Isohexane | 264 | 507 |
| Isononane | 227 | 440 |
| Isopropyl Alcohol | 399 | 750 |
| Light gas | 600 | 1112 |
| Light hydrocarbons | 650 | 1202 |
| Lignite - glow point | 526 | 979 |
| Magnesium | 473 | 883 |
| Methane (Natural Gas) | 580 | 1076 |
| Methanol, Methyl Alcohol | 470 | 878 |
| Methyl acetate | 455 | 851 |
| Methyl ethyl ketone | 516 | 961 |
| Naphtha | 225 | 437 |
| Neoheaxane | 425 | 797 |
| Neopentane | 450 | 842 |
| Nitrobenzene | 482 | |
| Nitro-glycerine | 254 | 490 |
| n-Butane | 405 | 761 |
| n-Heptane | 215 | 419 |
| n-Hexane | 225 | 437 |
| n-Octane | 220 | 428 |
| n-Pentane | 260 | 500 |
| n-Pentene | 298 | 569 |
| Oak Wood - dry | 482 | 900 |
| Paper | 218 - 246 | 424 - 475 |
| Peat | 227 | 440 |
| Petroleum | 400 | 752 |
| Pine Wood - dry | 427 | 800 |
| Phosphorus, amorphous | 260 | 500 |
| Phosphorus, transparent | 49 | 120 |
| Phosphorus, white | 34 | 93 |
| Production gas | 750 | 1382 |
| Propane | 470 | 878 |
| Propyl acetate | 450 | 842 |
| Propylene, propene | 458 | 856 |
| Pyridine | 482 | 900 |
| p-Xylene | 530 | 986 |
| Rifle Powder | 288 | 550 |
| Triethylborane | -20 | -4 |
| Toluene | 535 | 995 |
| Semi anthracite coal | 400 | 752 |
| Semi bituminous coal - glow point | 527 | 980 |
| Silane | < 21 | < 70 |
| Styrene | 490 | 914 |
| Sulphur | 243 | 470 |
| Tetrahydrofuran | 321 | 610 |
| Toluene | 530 | 986 |
| Trichloroethylene | 420 | 788 |
| Wood | 300 | 572 |
| Xylene | 463 | 867 |