Dimethylbutadiene

Dimethylbutadiene
Names
Preferred IUPAC name
2,3-Dimethylbuta-1,3-diene
Other names
Biisopropenyl; Diisopropenyl; 2,3-Dimethylbutadiene; 2,3-Dimethylenebutane
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.430
EC Number
  • 208-172-0
UNII
  • InChI=1S/C6H10/c1-5(2)6(3)4/h1,3H2,2,4H3
    Key: SDJHPPZKZZWAKF-UHFFFAOYSA-N
  • InChI=1/C6H10/c1-5(2)6(3)4/h1,3H2,2,4H3
    Key: SDJHPPZKZZWAKF-UHFFFAOYAQ
  • CC(=C)C(=C)C
Properties
C6H10
Molar mass 82.146 g·mol−1
Density 0.7222g / cm3
Melting point −76 °C (−105 °F; 197 K)
Boiling point 69 °C (156 °F; 342 K)
Vapor pressure 269 mm Hg (37.7 °C)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Flammable and irritant
GHS labelling:
Flash point −1 °C (30 °F; 272 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Dimethylbutadiene, formally referred to as 2,3-dimethyl-1,3-butadiene, is an organic compound with the formula (CH3)2C4H4. It is colorless liquid which served an important role in the early history of synthetic rubber. It is now a specialty reagent.

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