Heptane facts for kids
Quick facts for kids Heptane |
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| IUPAC name | Heptane |
| Other names | Septane |
| Identifiers | |
| CAS number | |
| PubChem | |
| EC number | 205-563-8 |
| MeSH | |
| ChEBI | CHEBI:43098 |
| RTECS number | MI7700000 |
| SMILES | CCCCCCC |
| Beilstein Reference | 1730763 |
| Gmelin Reference | 49760 |
| Properties | |
| Molecular formula | |
| Molar mass | 0 g mol-1 |
| Appearance | Colourless liquid |
| Odor | Petrolic |
| Density | 0.6795 g cm−3 |
| Melting point | |
| Boiling point | |
| 0.0003% (20 °C) | |
| log P | 4.274 |
| Vapor pressure | 5.33 kPa (at 20.0 °C) |
| kH | 12 nmol Pa−1 kg−1 |
| -85.24·10−6 cm3/mol | |
| Refractive index (nD) | 1.3855 |
| Viscosity | 0.386 mPa·s |
| Dipole moment | 0.0 D |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
−225.2–−223.6 kJ mol−1 |
| Std enthalpy of combustion ΔcH |
−4.825–−4.809 MJ mol−1 |
| Standard molar entropy S |
328.57 J K−1 mol−1 |
| Specific heat capacity, C | 224.64 J K−1 mol−1 |
| Hazards | |
| NFPA 704 |
3
1
0
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| Explosive limits | 1.05–6.7% |
| U.S. Permissible exposure limit (PEL) |
TWA 500 ppm (2000 mg/m3) |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Heptane is an organic compound with the chemical formula C7H16. It is an alkane with seven carbon atoms. It is used in fuels and is in gasoline.
See also
In Spanish: Heptano para niños
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Heptane Facts for Kids. Kiddle Encyclopedia.