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4-Methyloctane

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Identification
Molecular formula
C9H20
CAS number
2216-34-4
IUPAC name
4-methyloctane
State
State

4-Methyloctane is a liquid at room temperature. It is a hydrocarbon, so it is nonpolar and hydrophobic.

Melting point (Celsius)
-119.20
Melting point (Kelvin)
153.90
Boiling point (Celsius)
143.10
Boiling point (Kelvin)
416.30
General information
Molecular weight
128.26g/mol
Molar mass
128.2550g/mol
Density
0.7264g/cm3
Appearence

4-Methyloctane is a clear, colorless liquid. It has a slightly gasoline-like odor and is typically found in a liquid state at room temperature.

Comment on solubility

Solubility of 4-Methyloctane (C9H20)

4-Methyloctane, a branched-chain alkane, exhibits interesting solubility characteristics that are typical of many non-polar hydrocarbons. Here are some key points to consider:

  • Non-polar Nature: Due to its largely non-polar structure, 4-methyloctane is generally insoluble in water. This is consistent with the principle that "like dissolves like."
  • Solubility in Organic Solvents: It is, however, soluble in non-polar organic solvents such as hexane, toluene, and cyclohexane. These solvents can effectively disrupt the intermolecular forces holding the alkane molecules together.
  • Temperature Effects: The solubility of hydrocarbons like 4-methyloctane can increase with temperature, though it remains limited to non-polar environments.

In summary, while 4-methyloctane is insoluble in water, it can readily dissolve in organic solvents. Understanding these solubility patterns is crucial for applications in chemical synthesis and formulation in various industries.

Interesting facts

Interesting Facts about 4-Methyloctane

4-Methyloctane, a branched-chain alkane, is a compound that captures attention in both organic chemistry and the petroleum industry. This remarkable hydrocarbon has a variety of intriguing properties and applications:

  • Structural Diversity: The structure of 4-methyloctane illustrates the significance of branching in alkanes. Branching affects the physical properties such as the boiling point and density compared to its straight-chain isomers.
  • Fuel Applications: This compound is notable for its role in fuel technology. It is included in research to understand fuel octane ratings, where the branched nature contributes to better combustion characteristics in engines.
  • Isomeric Forms: 4-Methyloctane belongs to a larger family of alkanes. Its isomers can exhibit different properties, making the study of hydrocarbons an essential aspect of organic chemistry.
  • Synthetic Pathways: Understanding how 4-methyloctane is synthesized can provide insights into industrial processes. Common methods involve alkylation and hydrocarbon cracking, processes that are crucial for refining petroleum.
  • Environmental Considerations: As a part of fuel compositions, 4-methyloctane plays a role in discussions surrounding emissions and energy efficiency. Its behavior in combustion processes is pivotal in enhancing fuel formulations.

In summary, 4-methyloctane exemplifies the complexity and utility of hydrocarbons in both scientific research and industrial applications. Its role in improving fuel performance and understanding structural effects on chemical properties makes it a compound of interest in contemporary chemistry.

Synonyms
4-METHYLOCTANE
2216-34-4
Octane, 4-methyl-
EINECS 218-687-2
NSC 23691
DTXSID90862876
Octane, 4methyl
Octane, 4-methyl-(8CI)
DTXCID10811583
Octane, 4-methyl-(8CI)(9CI)
218-687-2
4-methyl-octane
(+/-)-4-Methyloctane; NSC 23691
1,3-dimethylheptane
MFCD00039963
NSC23691
LMFA11000433
NSC-23691
FM29502
DB-045823
NS00049658
G89991
Q2816675