2-Octyne

2-Octyne
Names
Preferred IUPAC name
Oct-2-yne
Other names
Amylmethylacetylene; Methylpentylacetylene
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.018.685 Edit this at Wikidata
EC Number
  • 220-553-3
UNII
  • InChI=1S/C8H14/c1-3-5-7-8-6-4-2/h3,5,7-8H2,1-2H3
    Key: QCQALVMFTWRCFI-UHFFFAOYSA-N
  • InChI=1/C8H14/c1-3-5-7-8-6-4-2/h3,5,7-8H2,1-2H3
    Key: QCQALVMFTWRCFI-UHFFFAOYAD
  • CC#CCCCCC
Properties
C8H14
Molar mass 110.200 g·mol−1
Density 0.759 g/mL
Boiling point 137 °C (279 °F; 410 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

2-Octyne, also known as methylpentylethyne and oct-2-yne,[1] is a type of alkyne with a triple bond at its second carbon (the '2-' indicates the location of the triple bond in the chain). Its formula is C8H14.[2] Its density at 25 °C and otherwise stable conditions is 0.759 g/ml.[3] The boiling point is 137 °C.[3] The average molar mass is 110.20 g/mol.[2]

It is formed by isomerization of 1-octyne catalyzed by a YbII complex.[4]

References

  1. ^ "2-OCTYNE | C8H14 - PubChem". pubchem.ncbi.nlm.nih.gov. Retrieved 16 August 2016.
  2. ^ a b Rogers, D. W.; Dagdagan, O. A.; Allinger, N. L. (1979). "webbook.nist.gov/cgi/cbook.cgi". pp. 671–676. Retrieved 16 August 2016.
  3. ^ a b Sigma-Aldrich Co., 2-Octyne. Retrieved on 16 August 2016.
  4. ^ Makioka, Yoshikazu; Taniguchi, Yuki; Kitamura, Tsugio; Fujiwara, Yuzo; Saiki, Akira; Takaki, Ken. Isomerization of terminal alkynes catalyzed by ytterbium(II)-aromatic imine complexes. Bulletin de la Société Chimique de France, 1997. Volume 134. (3&4) pp 349-355.

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