3-Ethylpentane
3-Ethylpentane (C7H16) is a branched saturated hydrocarbon. It is an alkane, and one of the many structural isomers of heptane, consisting of a five carbon chain with a two carbon branch at the middle carbon.
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| Names | |||
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| IUPAC name
3-Ethylpentane[1] | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
| ECHA InfoCard | 100.009.573  | ||
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |||
| C7H16 | |||
| Molar mass | 100.205 g·mol−1 | ||
| Appearance | Colourless liquid | ||
| Odor | Odourless | ||
| Density | 693.77 mg mL−1 | ||
| Melting point | −119.0 to −118.5 °C; −182.1 to −181.4 °F; 154.2 to 154.6 K | ||
| Boiling point | 93.3 to 93.7 °C; 199.8 to 200.6 °F; 366.4 to 366.8 K | ||
Henry's law constant (kH) |
3.9 nmol Pa−1 kg−1 | ||
| Thermochemistry | |||
Heat capacity (C) |
219.58 J K−1 mol−1 | ||
Std molar entropy (S |
314.55 J K−1 mol−1 | ||
Std enthalpy of formation (ΔfH⦵298) |
−226.2–−223.8 kJ mol−1 | ||
Std enthalpy of combustion (ΔcH⦵298) |
−4.8174–−4.8152 MJ mol−1 | ||
| Hazards | |||
| GHS pictograms |     [2] | ||
| GHS Signal word | Danger | ||
| H225, H304, H315, H336, H410[2] | |||
| Related compounds | |||
Related alkanes |
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Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
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| Infobox references | |||
An example of an alcohol derived from 3-ethylpentane is the tertiary alcohol 3-ethylpentan-3-ol.[3]
References
- "3-ETHYLPENTANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 10 March 2020.
- Record of 3-Ethylpentane in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 10 March 2020.
- Ritchie, R and Gent, D: OCR Chemistry AS, page 151. Heinemann, 2007.
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