Fuels and Chemicals - Auto Ignition Temperatures
The ignition point for some common fuels and chemicals - butane, coke, hydrogen, petroleum and more
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The Auto-Ignition 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 | Temperature | |
| (oC) | (oF) | |
| Acetaldehyde | 175 | 347 |
| Acetone | 465 | 869 |
| Acetylene | 305 | 581 |
| Anthracite - glow point | 600 | 1112 |
| Benzene | 560 | 1040 |
| Bituminous coal - glow point | 454 | 850 |
| Butane | 420 | 788 |
| Carbon | 700 | 1292 |
| Carbon - bi sulfide | 149 | 300 |
| Carbon monoxide | 609 | 1128 |
| Charcoal | 349 | 660 |
| Coal-tar oil | 580 | 1076 |
| Coke | 700 | 1292 |
| Cyclohexane | 245 | 473 |
| Diethyl ether | 160 | 320 |
| Ethane | 515 | 859 |
| Ethylene | 490 | 914 |
| Ehtyl Alcohol | 365 | 689 |
| Fuel Oil No.1 | 210 | 410 |
| Fuel Oil No.2 | 256 | 494 |
| Fuel Oil No.4 | 262 | 505 |
| Heavy hydrocarbons | 750 | 1382 |
| Hydrogen | 500 | 932 |
| Gas oil | 336 | 637 |
| Gasoline | 280 | 536 |
| Gun Cotton | 221 | 430 |
| Kerosene | 295 | 563 |
| Isobutane | 462 | 864 |
| Isobutene | 465 | 869 |
| Isooctane | 447 | 837 |
| Isopentane | 420 | 788 |
| Isopropyl Alcohol | 399 | 750 |
| Light gas | 600 | 1112 |
| Light hydrocarbons | 650 | 1202 |
| Lignite - glow point | 526 | 979 |
| Methane (Natural Gas) | 580 | 1076 |
| Methyl Alcohol | 385 | 725 |
| Naphtha | 550 | 1022 |
| Neoheaxane | 425 | 797 |
| Neopentane | 450 | 842 |
| 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 |
| Peat | 227 | 440 |
| Petroleum | 400 | 752 |
| Pine Wood - dry | 427 | 800 |
| Phosphorous, amorphous | 260 | 500 |
| Phosphorous, transparent | 49 | 120 |
| Production gas | 750 | 1382 |
| Propane | 480 | 842 |
| Propylene | 458 | 856 |
| p-Xylene | 530 | 986 |
| Rifle Powder | 288 | 550 |
| Toluene | 530 | 849 |
| Semi anthracite coal | 400 | 752 |
| Semi bituminous coal - glow point | 527 | 980 |
| Styrene | 490 | 914 |
| Sulphur | 243 | 470 |
| Wood | 300 | 572 |
| Xylene | 463 | 867 |
The flammable (explosive) range is the range of a gas or vapor concentration that will burn or explode if an ignition source is introduced. Limiting concentrations are commonly called the lower explosive or flammable limit (LEL/LFL) and the upper explosive or flammable limit (UEL/UFL).
Below the explosive or flammable limit the mixture is too lean to burn. Above the upper explosive or flammable limit the mixture is too rich to burn. The Auto-Ignition Temperature is not the same as Flash Point - The Flash Point indicates how easy a chemical may burn.
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Related Topics
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- HVAC Systems - Heating, Ventilation and Air Conditioning systems ...
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Related Documents
- ASTM Standard - Volume 05.06 Gaseous Fuels, Coal and Coke - An overview of the standards within ASTM Section 5 - Petroleum Products, Lubricants, and Fossil Fuels, - Volume 05.06 Gaseous Fuels, Coal and Coke
- Boiling Point - Fuels - Some common fuels and their boiling points
- Classification of Coal - Classification of coal based on volatile matter and cooking power of clean material
- Classification of Gases - Oxidizers, Inert and Flammable gases
- Flash Point - The flash point indicates how easy a chemical may ignite and burn
- Flash Point - Fuels - Some common fuels and their flash points
- Fuel Gases - Heating Values - Combustion and heating values of fuel gases - acetylene, blast furnace gas, ethane, biogas and more - Gross and Net values
- Fuel Oil Burners - Pot-type, Gun-type and Rotary-type Oil Burners
- Fuel Oil and Combustion Values - Combustion value in Btu/gal for fuel oils No.1 to No.6
- Fuel Oils - Viscosities - Fuels oils - their viscosity versus temperature
- Fuels - Combustion Air and Flue Gases - Combustion air and flue gas for common fuels - coke, oil, wood, natural gas and more
- Fuels - Densities and Specific Volumes - Densities and specific volumes of some common fuels - anthracite, butane, coke, oil, wood and more
- Fuels - Exhaust Temperatures - Exhaust and outlet temperatures for some common fuels - natural gas, liquefied petroleum, diesel and more
- Fuels - Higher Calorific Values - Higher calorific values for some common fuels - coke, oil, wood, hydrogen and others
- Fuels Combustion - Nitrogen Oxides (NOx) Emission - Emission of Nitrogen Oxides - NOx - when combustion fuels like oil, coal, propane and more
- Gaseous Fuels and Chemical Composition - Chemical composition of some common gaseous fuels - coal gas, natural gas, propane and more
- Gases - Explosive and Flammability Concentration Limits - Flame and explosion limits for gases - propane, methane, butane, acetylene and more
- Hazardous Areas Classification - North America - North American hazardous locations classification in classes, divisions and groups
- Heat Emission from Pipes Submerged in Oil or Fat - Heat emission from steam or water heating pipes submerged in oil or fat - assisted (forced) and natural circulation
- Methane - Specific Heat Capacity - Specific heat capacity of Methane Gas - CH4 - at temperatures ranging 200 - 1100 K
