Flash Point Fuels
Reference data and engineering information about flash point fuels for combustion applications.
Overview
Engineering reference data for Flash Point Fuels in combustion engineering.
Key Formulas
Heat Release
Fuel energy release rate.
Air-Fuel Ratio
Mass of air per mass of fuel.
Excess Air
From flue gas oxygen measurement.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Heat release rate | W | |
| Mass flow rate | kg/s | |
| Heating value | J/kg | |
| Air-fuel ratio | — |
Flash Point Data
The following table lists the flash points of common fuels and chemicals at atmospheric pressure. Higher flash points indicate lower flammability and reduced hazard.
Fuel | Flash Point(°F) |
|---|---|
| Acetaldehyde | -36 |
| Acetone | 0 |
| Acentonitrile | 43 |
| Acrylonitrile | 32 |
| Allyamine | -20 |
| Aniline | 158 |
| Anisole | 126 |
| Benzene | 12 |
| Benzaldehyde | 145 |
| Biodiesel | 266 |
| Butanal | -7.6 |
| n-Butane | -76 |
| 1-Butanol | 99 |
| Carbon Disulfide | -22 |
| Cyclohexanone | 111 |
| Diesel Fuel (1-D) | 100 |
| Diesel Fuel (2-D) | 126 |
| Diesel Fuel (4-D) | 130 |
| Diethanolamine | 342 |
| Diethylene glycol diethyl ether | 180 |
| Diethyl ether | -49 |
| Diisopropyl ether | -18 |
| Dimethyl sulfate | 181 |
| Dimethyl sulfide | -35 |
| Ethyl Alcohol (Ethanol) | 63 |
| Ethylamine | 3.2 |
| Formaldehyde | 185 |
| Fuels Oil No.1 | 100 |
| Fuels Oil No.2 | 126 |
| Fuels Oil No.4 | 142 |
| Fuels Oil No.5 Lite | 156 |
| Fuels Oil No.5 Heavy | 160 |
| Fuels Oil No.6 | 150 |
| Furfural | 140 |
| Furfuryl alcohol | 167 |
| Gasoline | -45 |
| Gear oil | 375 |
| Hexylamine | 84 |
| Iso-Butane | -117 |
| Iso-Pentane | -60 |
| Iso-Octane | 10 |
| Isopropylbenzene hydroperoxide | 347 |
| Jet fuel (A/A-1) | 100 |
| Kerosene (paraffin) | 100 |
| Methyl Alcohol (Methanol) | 52 |
| Methylamine | 32 |
| Motor oil | 420 |
| Naphtha | 32 |
| n-Pentane | -40 |
| n-Hexane | -7 |
| n-Heptane | 25 |
| n-Octane | 56 |
| Naphthalene | 174 |
| NeoHexane | -54 |
| Paraldehyde | 97 |
| Peroxyacetic acid | 106 |
| Petroleum ether | 0 |
| Propanal | -22 |
| Propane | -156 |
| 2-Propanol | 54 |
| Propylamine | -35 |
| Styrene | 90 |
| Tetrohydrofuran | 151 |
| Toluene | 40 |
| Triethanolamine | 354 |
| Triethylamine | 19 |
| o-Xylene | 63 |
| m-Xylene | 81 |
| p-Xylene | 81 |
Source: engineeringtoolbox.com
Temperature Conversion
To convert flash point temperatures from Fahrenheit to Celsius, use the following formula:
Where:
- is the temperature in degrees Celsius (°C)
- is the temperature in degrees Fahrenheit (°F)
This conversion is useful for standardizing data across different unit systems.
Autoignition Temperature Note
The autoignition temperature is distinct from the flash point. It represents the minimum temperature at which a substance ignites spontaneously in air without an external spark or flame. In hazardous area classification, equipment temperature ratings are often based on the autoignition temperatures of surrounding substances to prevent accidental ignition.