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2,3-Dimethyl-1-butene

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2,3-Dimethyl-1-butene
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.421 Edit this at Wikidata
EC Number
  • 209-262-2
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C6H12/c1-5(2)6(3)4/h6H,1H2,2-4H3Key: OWWIWYDDISJUMY-UHFFFAOYSA-N
SMILES
  • CC(C)C(=C)C
Properties
Chemical formula C6H12
Molar mass 84.162 g·mol
Appearance colorless liquid
Density 0.68 g/cm
Boiling point 55 °C (131 °F; 328 K)
Hazards
GHS labelling:
Pictograms GHS02: FlammableGHS07: Exclamation markGHS08: Health hazard
Signal word Danger
Hazard statements H203, H225
Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

2,3-Dimethyl-1-butene is an organic compound with the formula CH2=C(CH3)CH(CH3)2. Like the other isomers of dimethylbutene, it is a colorless liquid. Together with 2,3-dimethyl-2-butene it can be produced by dimerization of propylene. It is a precursor to the commercial fragrance tonalide.

References

  1. Olivier-Bourbigou, H.; Breuil, P. A. R.; Magna, L.; Michel, T.; Espada Pastor, M. Fernandez; Delcroix, D. (2020). "Nickel Catalyzed Olefin Oligomerization and Dimerization" (PDF). Chemical Reviews. 120 (15): 7919–7983. doi:10.1021/acs.chemrev.0c00076. PMID 32786672. S2CID 221124789.
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