3-Ethylpentane

3-Ethylpentane
Skeletal formula of 3-ethylpentane
Ball and stick model of 3-ethylpentane
Ball and stick model of 3-ethylpentane
Spacefill model of 3-ethylpentane
Spacefill model of 3-ethylpentane
Names
Preferred IUPAC name
3-Ethylpentane[1]
Identifiers
CAS Number
  • 617-78-7 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:165737
ChemSpider
  • 11551 checkY
ECHA InfoCard 100.009.573 Edit this at Wikidata
EC Number
  • 210-529-0
PubChem CID
  • 12048
UNII
  • KN826QW56K checkY
CompTox Dashboard (EPA)
  • DTXSID8073211 Edit this at Wikidata
InChI
  • InChI=1S/C7H16/c1-4-7(5-2)6-3/h7H,4-6H2,1-3H3 checkY
    Key: AORMDLNPRGXHHL-UHFFFAOYSA-N checkY
  • CCC(CC)CC
Properties
Chemical formula
 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⦵298)
 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 labelling:
Pictograms
 GHS02: Flammable GHS08: Health hazard GHS07: Exclamation mark GHS09: Environmental hazard [2]
Danger
Hazard statements
 H225, H304, H315, H336, H410[2]
Related compounds
Related alkanes
Related compounds
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
Chemical compound

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.

An example of an alcohol derived from 3-ethylpentane is the tertiary alcohol 3-ethylpentan-3-ol.[3]

References

  1. ^ "3-ETHYLPENTANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 10 March 2020.
  2. ^ a b Record of 3-Ethylpentane in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 10 March 2020.
  3. ^ Ritchie, R and Gent, D: OCR Chemistry AS, page 151. Heinemann, 2007.


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