Thursday 31 March 2016

Fuels and Chemicals - Auto Ignition Temperatures



The ignition point for some common fuels and chemicals butane, coke, hydrogen, petroleum and more


burning flames
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 ChemicalAutoignition 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

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