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2,3-Dimethylbutadiene

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Identification
Molecular formula
C6H10
CAS number
513-81-5
IUPAC name
2,3-dimethylbuta-1,3-diene
State
State

At room temperature, 2,3-Dimethylbutadiene is a liquid. It is volatile with a relatively low boiling point, which makes it tend to evaporate quickly at higher temperatures.

Melting point (Celsius)
-73.50
Melting point (Kelvin)
199.65
Boiling point (Celsius)
68.10
Boiling point (Kelvin)
341.25
General information
Molecular weight
82.14g/mol
Molar mass
82.1430g/mol
Density
0.6912g/cm3
Appearence

2,3-Dimethylbutadiene appears as a colorless liquid under standard conditions. It has a distinct sweet, gasoline-like odor and can form explosive peroxides when exposed to air. This compound is prone to polymerization, especially when in contact with acids or peroxides.

Comment on solubility

Solubility of 2,3-dimethylbuta-1,3-diene

2,3-dimethylbuta-1,3-diene, known for its unique structure and reactivity, exhibits interesting solubility characteristics. This compound, primarily classified as a diene, shows the following solubility traits:

  • Polar vs. Nonpolar Solvents: 2,3-dimethylbuta-1,3-diene is largely nonpolar due to its carbon chain and lack of functional groups capable of hydrogen bonding. Thus, it is more soluble in nonpolar solvents such as hydrocarbons.
  • Water Solubility: Due to its nonpolar nature, this compound has very limited solubility in water. The inability to form hydrogen bonds with water molecules leads to the phrase: "Oil and water don’t mix."
  • Experimental Conditions: The solubility of 2,3-dimethylbuta-1,3-diene can also be affected by temperature, where increased temperature may lead to higher solubility in certain organic solvents due to enhanced molecular movement.

Overall, understanding the solubility of 2,3-dimethylbuta-1,3-diene is essential for its application in organic synthesis and chemical reactions, as one must account for its preferential solubility in nonpolar environments.

Interesting facts

Exciting Facts About 2,3-Dimethylbuta-1,3-diene

2,3-Dimethylbuta-1,3-diene, commonly referred to as a diene due to its two double bonds, is a fascinating example of a hydrocarbon. Here are some intriguing aspects of this compound that highlight its importance and utility in the field of chemistry:

  • Structure and Isomerism: The compound displays a unique structure with a four-carbon backbone, showcasing geometric isomerism due to the presence of double bonds. Isomers can exhibit varied properties and reactivities.
  • Reactivity: As a conjugated diene, 2,3-dimethylbuta-1,3-diene is particularly reactive and can participate in various chemical reactions, such as Diels-Alder reactions, making it valuable in organic synthesis.
  • Natural Occurrence: This compound is sometimes found in natural products, indicating its significance in biochemical pathways and processes within living organisms.
  • Applications: It serves as an essential precursor in the synthesis of polymer materials, specifically in the production of synthetic rubber and other complex organic molecules.
  • Analytical Chemistry: Its distinct spectral characteristics make it a compound of interest for chemists using techniques such as NMR and IR spectroscopy to analyze molecular structures.

Understanding compounds like 2,3-Dimethylbuta-1,3-diene not only enriches our knowledge of organic chemistry but also sparks curiosity about their applications in real-world scenarios. As the famous chemist Leonard A. Miller poignantly stated, "Knowing the structure of a compound provides insight into its potential." This statement rings true as we explore the vast potential that this simple hydrocarbon holds.


Synonyms
2,3-DIMETHYL-1,3-BUTADIENE
2,3-Dimethylbuta-1,3-diene
Biisopropenyl
2,3-Dimethylbutadiene
Diisopropenyl
2,3-Dimethylenebutane
1,3-Butadiene, 2,3-dimethyl-
UNII-61TUU25HCO
NSC 8656
EINECS 208-172-0
61TUU25HCO
NSC-8656
DTXSID2022046
CH2=C(CH3)C(CH3)=CH2
2,3-DIMETHYLBUTA-1,2-DIENE
2,3-DIMETHYL-1,3-BUTADIENE [MI]
.BETA.,.GAMMA.-DIMETHYL-.DELTA.-.ALPHA.,.GAMMA.-BUTADIENE
2,3dimethylbutadiene
2,3Dimethylenebutane
2,3Dimethylbuta1,3diene
1,3Butadiene, 2,3dimethyl
DTXCID802046
2,3-DM-B
beta, gammaDimethyldeltaalpha,gammabutadiene
BETA,GAMMA-DIMETHYL-.DELTA-ALPHA.,GAMMA-BUTADIENE
inchi=1/c6h10/c1-5(2)6(3)4/h1,3h2,2,4h
sdjhppzkzzwakf-uhfffaoysa-n
un3295
513-81-5
dimethylbutadiene
2,3-dimethyl-buta-1,3-diene
2 3-DIMETHYL-1 3-BUTADIENE-D10 98 ATOM
MFCD00008595
2,3-diene
2,3-dimethyl butadiene
NSC8656
AKOS015966171
FD166678
D1148
NS00032265
EN300-77977
F14891
2,3-Dimethyl-1,3-butadiene, analytical standard
A828563
2,3-Dimethyl-1,3-butadiene (stabilized with BHT)
2,3-Dimethyl-1,3-butadiene - Stabilized with BHT
Q3597985
2,3-Dimethyl-1,3-butadiene, contains 100 ppm BHT as stabilizer
2,3-Dimethyl-1,3-butadiene, 98%, contains 100 ppm BHT as stabilizer
25034-65-5