1-Octadecene

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1-Octadecene
Names
Preferred IUPAC name
Octadec-1-ene
Other names
alpha-Octadecene; Octadecylene; alpha-Olefin C18; n-1-Octadecene
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.648 Edit this at Wikidata
UNII
  • InChI=1S/C18H36/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3H,1,4-18H2,2H3 checkY
    Key: CCCMONHAUSKTEQ-UHFFFAOYSA-N checkY
  • InChI=1S/C18H36/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3H,1,4-18H2,2H3
  • Key: CCCMONHAUSKTEQ-UHFFFAOYSA-N
  • C=C\CCCCCCCCCCCCCCCC
Properties
C18H36
Molar mass 252.486 g·mol−1
Appearance colorless liquid
Density 0.789 g/mL[1]
Melting point 14 to 16 °C (57 to 61 °F; 287 to 289 K)[1]
17 to 18 °C[2]
Boiling point 315 °C (599 °F; 588 K)[2]
Insoluble[2]
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
1
0
Flash point 155 °C (311 °F; 428 K)[2]
250 °C (482 °F; 523 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

1-Octadecene is a long-chain hydrocarbon and an alkene with the molecular formula CH2=CH(CH2)15CH3. It is one of many isomers of octadecene. Classified as an alpha-olefin, 1-octadecene is the longest alkene that is liquid at room temperature.[3][2]

Hydrosilation[edit]

Treatment of 1-octadecene with trichlorosilane in the presence of platinum catalysts gives octadecyltrichlorosilane. Octadecene adds to hydrogen-terminated bulk silicon.[4]

See also[edit]

References[edit]

  1. ^ a b c 1-Octadecene at Sigma-Aldrich
  2. ^ a b c d e 1-Octadecene fact sheet ChemicalLand21
  3. ^ Griesbaum, Karl; Behr, Arno; Biedenkapp, Dieter; Voges, Heinz-Werner; Garbe, Dorothea; Paetz, Christian; Collin, Gerd; Mayer, Dieter; Höke (2000). "Hydrocarbons". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a13_227. ISBN 978-3527306732.
  4. ^ Linford, Matthew R.; Fenter, Paul; Eisenberger, Peter M.; Chidsey, Christopher E. D. (1995). "Alkyl Monolayers on Silicon Prepared from 1-Alkenes and Hydrogen-Terminated Silicon". Journal of the American Chemical Society. 117 (11): 3145–3155. doi:10.1021/ja00116a019.
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