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2,2-Dimethylhexane

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Identification
Molecular formula
C8H18
CAS number
590-73-8
IUPAC name
2,2-dimethylhexane;2,3-dimethylhexane;2,4-dimethylhexane
State
State

2,2-Dimethylhexane is a liquid at room temperature, typically found in a clear and free-flowing state. It is stable under normal conditions, but its vapors can be flammable.

Melting point (Celsius)
-100.00
Melting point (Kelvin)
173.15
Boiling point (Celsius)
107.46
Boiling point (Kelvin)
380.61
General information
Molecular weight
114.23g/mol
Molar mass
114.2280g/mol
Density
0.6930g/cm3
Appearence

2,2-Dimethylhexane is a colorless liquid with a gasoline-like odor. It is an example of a branched alkane and has a relatively low viscosity. Its appearance does not change significantly under different lighting conditions.

Comment on solubility

Solubility Overview

The compounds 2,2-dimethylhexane, 2,3-dimethylhexane, and 2,4-dimethylhexane are all branched aliphatic hydrocarbons that fall under the category of nonpolar organic solvents. Due to their molecular structure and characteristics, their solubility behavior can be summarized as follows:

  • Nonpolar Nature: These compounds exhibit low polarity, which limits their solubility in polar solvents such as water.
  • Solubility in Organic Solvents: They tend to be soluble in other nonpolar solvents, like hexane or benzene, due to the principle of 'like dissolves like.'
  • Impact of Structure: The branched structure leads to lower boiling points and volatility, which influences their physical state and overall solubility in various environments.
  • Temperature Dependence: Solubility can vary with temperature, generally increasing with elevated temperatures in nonpolar solvents.

In summary, while 2,2-dimethylhexane, 2,3-dimethylhexane, and 2,4-dimethylhexane are not soluble in water, they exhibit favorable solubility in nonpolar organic solvents. This characteristic makes them useful in various applications where nonpolar solvents are required.

Interesting facts

Interesting Facts about 2,2-Dimethylhexane

2,2-Dimethylhexane is a unique branched alkane classified among the aliphatic hydrocarbons. Here are some notable aspects of this compound:

  • Structure and Isomerism: This compound is a structural isomer of other dimethylhexanes, showcasing how the arrangement of carbon atoms can significantly change properties and reactivity.
  • Applications: It finds utility in the chemical industry, serving as a precursor in the synthesis of various organic compounds. Its branched structure often leads to improved properties in fuels and lubricants.
  • Combustion Characteristics: Due to its branching, it tends to have a higher octane rating compared to its straight-chain counterparts, making it favorable for use in high-performance fuels.
  • Research Curiosity: Scientists study compounds like 2,2-dimethylhexane to understand how structural variations affect physical and chemical properties, paving the way for innovations in materials science.

As quoted in chemical literature, "the complexity of hydrocarbon structures provides endless opportunities for discovery and application."


Interesting Facts about 2,3-Dimethylhexane

2,3-Dimethylhexane is another intriguing isomer within the dimethylhexane series, highlighting the fascinating science of organic chemistry. Here are some interesting highlights:

  • Branched Isomer: This compound belongs to the family of branched alkanes, which are known for their lower boiling points compared to straight-chain alkanes due to reduced surface area.
  • Fuel Properties: Research indicates that isomers like 2,3-dimethylhexane can enhance fuel performance due to their volatility and combustion efficiency.
  • Environmental Considerations: Understanding the behavior of such branched hydrocarbons is critical in developing cleaner fuels that minimize pollution.
  • Analytical Chemistry: It serves as an important reference compound in chromatographic analysis, providing benchmarks for identifying and quantifying similar compounds.

In the words of chemists, "the subtle differences in hydrocarbon structures can lead to substantial variations in properties that are crucial for applications."


Interesting Facts about 2,4-Dimethylhexane

2,4-Dimethylhexane adds to the colorful tapestry of organic compounds with its unique structure and interesting applications. Check out these noteworthy points:

  • Versatility: This isomer demonstrates significant versatility in chemical reactions, making it valuable in organic synthesis.
  • Physical Properties: Its branched conformations affect the boiling and melting points, as well as the compound's behavior in various chemical contexts.
  • Sustainability Efforts: Chemists are focusing on such compounds for the development of more sustainable fuels, aligning with global efforts to reduce carbon footprints.
  • Research Insights: Studies on 2,4-dimethylhexane often reveal insights into how molecular structure influences reactivity and stability in chemical processes.

As emphasized by researchers, "the continual exploration of hydrocarbons like 2,4-dimethylhexane opens new avenues for economic and environmental advancements in chemistry."