1-Octadecene

Chemical compound From Wikipedia, the free encyclopedia

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]

Quick facts Names, Identifiers ...
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).
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Hydrosilation

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

See also

References

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