Skip to main content

2,3-Dimethyloctane

ADVERTISEMENT
Identification
Molecular formula
C10H22
CAS number
25550-14-5
IUPAC name
2,3-dimethyloctane
State
State

Liquid at room temperature. It is a volatile hydrocarbon with relatively low viscosity and surface tension compared to heavier hydrocarbons.

Melting point (Celsius)
-72.00
Melting point (Kelvin)
201.15
Boiling point (Celsius)
146.00
Boiling point (Kelvin)
419.15
General information
Molecular weight
142.28g/mol
Molar mass
128.2540g/mol
Density
0.7377g/cm3
Appearence

2,3-Dimethyloctane is a colorless liquid with a characteristic gasoline-like odor. It is clear and transparent, much like other alkanes, and is non-polar in nature, making it insoluble in water but soluble in organic solvents.

Comment on solubility

Solubility of 2,3-Dimethyloctane

2,3-Dimethyloctane, with its structure characterized by branching alkyl groups, exhibits interesting solubility behaviors. As an alkane, it is primarily hydrophobic in nature, making it insoluble in water. This lack of solubility is due to the presence of multiple carbon chains, which contribute to the nonpolar characteristics of the compound.

However, 2,3-dimethyloctane is soluble in nonpolar organic solvents like:

  • Hexane
  • Chloroform
  • Benzene

To summarize:

  • Water solubility: Insoluble
  • Solubility in organic solvents: Soluble

This solubility profile is typical for alkanes, where the molecular structure influences how well a compound interacts with various solvents. It highlights the general principle that like dissolves like – nonpolar substances such as 2,3-dimethyloctane readily dissolve in nonpolar solvents but do not interact favorably with polar solvents like water.

Interesting facts

Interesting Facts about 2,3-Dimethyloctane

2,3-Dimethyloctane is an intriguing organic compound that belongs to the family of alkanes, specifically classified as a branched-chain alkane. Its unique structure features a chain of eight carbon atoms with two methyl groups attached to the second and third carbon, which profoundly influences its chemical behavior and properties.

Unique Characteristics

  • Structural Isomerism: 2,3-Dimethyloctane is part of a larger group of structural isomers that include various branching configurations, each with its unique physical and chemical properties.
  • Application in Fuels: This compound is significant in the petrochemical industry, where it can be found in gasoline formulations, helping to enhance octane ratings.
  • Combustion Properties: The branched structure tends to improve combustion efficiency compared to straight-chain alkanes, making it valuable for optimizing energy output in engines.

Analytical Techniques

Analyzing compounds like 2,3-Dimethyloctane involves various analytical techniques such as:

  • Gas Chromatography (GC): This technique is pivotal for separating and identifying components in complex mixtures, especially in petroleum products.
  • Nuclear Magnetic Resonance (NMR): NMR spectroscopy provides insights into the compound's molecular structure and environment of hydrogen atoms.

Scientific Significance

From a scientific perspective, studying 2,3-dimethyloctane can unveil important information about:

  • The behavior of hydrocarbons in various reactions and processes.
  • The implications of branching on boiling points and reactivity in organic synthesis.
  • Its role in environmental chemistry, particularly concerning emissions and biodegradability.

In conclusion, 2,3-dimethyloctane is more than just a simple alkane; it is a compound that plays a vital role in both industrial applications and academic research, making it a compound of enduring interest in the field of organic chemistry.

Synonyms
Octane, 2,3-dimethyl-
2,3 Dimethyloctane
NSC 23697
octane, 2,3-dimethyl-(8ci)
Octane, 2,3-dimethyl-(8CI)(9CI)
622-338-3
2,3-DIMETHYLOCTANE
7146-60-3
2,3-Dimethyl octane
NSC23697
Octane,3-dimethyl-
DTXSID10871182
LMFA11000621
NSC-23697
Q5651200
InChI=1/C10H22/c1-5-6-7-8-10(4)9(2)3/h9-10H,5-8H2,1-4H