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Heptadecane

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Heptadecane
Structural formula of heptadecane
Ball and stick model of the heptadecane molecule
Names
Preferred IUPAC name Heptadecane
Other names n-Heptadecane
Identifiers
CAS Number
3D model (JSmol)
Beilstein Reference 1738898
ChEBI
ChemSpider
ECHA InfoCard 100.010.100 Edit this at Wikidata
EC Number
  • 211-108-4
KEGG
MeSH heptadecane
PubChem CID
RTECS number
  • MI3550000
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C17H36/c1-3-5-7-9-11-13-15-17-16-14-12-10-8-6-4-2/h3-17H2,1-2H3Key: NDJKXXJCMXVBJW-UHFFFAOYSA-N
SMILES
  • CCCCCCCCCCCCCCCCC
Properties
Chemical formula C17H36
Molar mass 240.475 g·mol
Appearance Colorless liquid
Odor Odorless
Density 777 mg mL
Melting point 21.1 to 22.9 °C; 69.9 to 73.1 °F; 294.2 to 296.0 K
Boiling point 301.9 °C; 575.3 °F; 575.0 K
Vapor pressure 100 Pa (at 115 °C)
Henry's law
constant (kH) 		180 nmol Pa kg
Refractive index (nD) 1.436
Viscosity 4.21 mPa·s (20 °C)
Thermochemistry
Heat capacity (C) 2.222 J K g
Std molar
entropy (S298) 		652.24 J K mol
Std enthalpy of
formation (ΔfH298) 		−481.9–−477.1 kJ mol
Std enthalpy of
combustion (ΔcH298) 		−11.3534–−11.3490 MJ mol
Hazards
GHS labelling:
Pictograms GHS08: Health hazard
Signal word Danger
Hazard statements H304
Precautionary statements P301+P310, P331
Flash point 149 °C (300 °F; 422 K)
Related compounds
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Heptadecane is an organic compound, an alkane hydrocarbon with the chemical formula C17H36. The name may refer to any of 24894 theoretically possible structural isomers, or to a mixture thereof.

The unbranched isomer is normal or n-heptadecane, CH3(CH2)15CH3. In the IUPAC nomenclature, the name of this compound is simply heptadecane, since the other isomers are viewed and named as alkyl-substituted versions of smaller alkanes.

The most compact and branched isomer would be tetra-tert-butylmethane, but its existence is believed to be impossible due to steric hindrance. Indeed, it is believed to be the smallest "impossible" alkane.

References

  1. Morrison, Robert T.; Boyd, Robert N. (1983). Organic Chemistry (4th ed.). Newton, MA: Allyn and Bacon, Inc. p. 88. ISBN 978-0-205-05838-9.
  2. "heptadecane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 4 March 2012.
  3. Doolittle, Arthur K. (1951). "Studies in Newtonian Flow. II. The Dependence of the Viscosity of Liquids on Free-Space". Journal of Applied Physics. 22 (12): 1471–1475. doi:10.1063/1.1699894. ISSN 0021-8979.
  4. K. M. de Silva and J. M. Goodman (2005). "What Is the Smallest Saturated Acyclic Alkane that Cannot Be Made?". J. Chem. Inf. Model. 45 (1): 81–87. CiteSeerX 10.1.1.94.8695. doi:10.1021/ci0497657. PMID 15667132.

External links

Alkanes
Category: