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2,2-Dimethylheptane

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Identification
Molecular formula
C9H20
CAS number
590-73-8
IUPAC name
2,2-dimethylheptane
State
State

2,2-Dimethylheptane is a liquid at room temperature.

Melting point (Celsius)
-112.40
Melting point (Kelvin)
160.75
Boiling point (Celsius)
127.60
Boiling point (Kelvin)
400.75
General information
Molecular weight
128.26g/mol
Molar mass
128.2550g/mol
Density
0.7157g/cm3
Appearence

2,2-Dimethylheptane is a colorless liquid that is not soluble in water.

Comment on solubility

Solubility of 2,2-Dimethylheptane

2,2-Dimethylheptane, with the chemical formula C9H20, is a branched alkane that demonstrates interesting solubility characteristics:

  • Nonpolar Nature: This compound is primarily nonpolar due to its hydrocarbon structure, which consists only of carbon and hydrogen atoms.
  • Insolubility in Water: Due to its nonpolar characteristics, C9H20 is insoluble in water. Water, being a polar solvent, cannot effectively interact with nonpolar substances.
  • Solubility in Organic Solvents: 2,2-Dimethylheptane is soluble in many organic solvents like hexane, diethyl ether, and chloroform. This is typical for nonpolar hydrocarbons, which tend to dissolve in similar nonpolar media.

In summary, the solubility behavior of 2,2-dimethylheptane illustrates the fundamental principle that “like dissolves like.” Its nonpolar structure significantly limits its interactions with polar solvents such as water, while allowing it to mix well with other nonpolar organic compounds.

Interesting facts

Interesting Facts about 2,2-Dimethylheptane

2,2-Dimethylheptane is an intriguing alkane that belongs to the family of hydrocarbons. This compound showcases the unique structural diversity that can arise from simple carbon chains. Here are some notable aspects:

  • Branching and Isomerism: 2,2-Dimethylheptane is a branched alkane, which means that it has a more complex, non-linear structure compared to its straight-chain counterparts. This branching affects its properties considerably, including its reactivity and physical characteristics.
  • Application in Fuels: Like many alkanes, 2,2-dimethylheptane is often studied for its potential applications in fuels. Its branched structure contributes to improved octane ratings, which indicates better engine performance and reduced knocking in internal combustion engines.
  • Environmental Impact: The exploration of alkanes like 2,2-dimethylheptane is critical in understanding their environmental impact. Researchers are keen on assessing how such compounds behave when released into the environment and their role in air pollution.
  • Importance in Organic Synthesis: In organic chemistry, compounds such as 2,2-dimethylheptane serve as valuable intermediates. They are used to synthesize a wide range of other organic compounds through various reactions.
  • Importance in Research: This compound is often studied in experimental settings to understand thermodynamic properties and mechanisms of combustion, making it a focal point in chemical education and industrial applications.

To summarize, 2,2-dimethylheptane’s unique structure and properties provide chemists with a wealth of opportunities for study and application. Its relevance spans from improving fuel technologies to understanding environmental chemistry, demonstrating the essential role of such compounds in both scientific research and practical applications.

Synonyms
2,2-DIMETHYLHEPTANE
1071-26-7
Heptane, 2,2-dimethyl-
3UIU4Z489X
NSC-74181
trimethylhexane
Hexane, trimethyl-
NSC74181
EINECS 213-989-0
NSC 74181
Heptane,2-dimethyl-
2,2-dimethyl-heptane
UNII-3UIU4Z489X
DTXSID0061454
26447-41-6
LS-13717
DB-040733
NS00023442
Q2813765