Undecane

Undecane
Structural formula of undecane
Skeletal formula of undecane with all implicit carbons shown, and all explicit hydrogens added
Ball-and-stick model of the undecane molecule
Names
Preferred IUPAC name
Undecane[1]
Identifiers
3D model (JSmol)
Beilstein Reference 1697099
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.013.001
EC Number
  • 214-300-6
MeSH undecane
RTECS number
  • YQ1525000
UNII
UN number 2330
CompTox Dashboard (EPA)
SMILES
  • CCCCCCCCCCC
Properties
C11H24
Molar mass 156.31 g·mol−1
Appearance Colorless liquid
Odor Gasoline-like to Odorless
Density 740 mg mL−1
Melting point −26.6 to −25.0 °C; −15.8 to −12.9 °F; 246.6 to 248.2 K
Boiling point 193 to 197 °C; 379 to 386 °F; 466 to 470 K
log P 6.312
Vapor pressure 55 Pa (at 25 °C)[2]
kH 5.4 nmol Pa−1 kg−1
-131.84·10−6 cm3/mol
1.417
Thermochemistry
Std enthalpy of
formation ΔfHo298
−329.8–−324.6 kJ mol−1
Std enthalpy of
combustion ΔcHo298
−7.4339–−7.4287 MJ mol−1
Standard molar
entropy So298
458.15 J K−1 mol−1
Specific heat capacity, C 345.05 J K−1 mol−1
Hazards
GHS labelling:
Pictograms
Template:GHS skull and crossbones Template:GHS health hazard
Signal word
Danger
Hazard statements
H304, H315, H319, H331, H335
Precautionary statements
P261, P301+P310, P305+P351+P338, P311, P331
Flash point 62.0 °C (143.6 °F; 335.1 K)
Related compounds
Related alkanes
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

Undecane/hendecane is a liquid alkane hydrocarbon with the chemical formula CH3(CH2)9CH3. It has eleven carbon and 24 hydrogen atoms. It has more isomers than decane and nonane, it has over 159 isomers. Here is the implicit diagram of Undecane.[3]

References

  1. ↑ "undecane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 5 January 2012.
  2. ↑ Yaws, Carl L. (1999). Chemical Properties Handbook. New York: McGraw-Hill. pp. 159-179. ISBN 0-07-073401-1.
  3. ↑ "Undecane". webbook.nist.gov. Retrieved 2021-11-29.