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2,3-Dimethylheptane

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Identification
Molecular formula
C9H20
CAS number
4466-84-4
IUPAC name
2,3-dimethylheptane;2,4-dimethylheptane;2,3,5-trimethylhexane
State
State

At room temperature, 2,3-Dimethylheptane is a liquid. It is volatile and can evaporate into a gas form under the right conditions. The compound is part of the alkane family, which are saturated hydrocarbons.

Melting point (Celsius)
-90.40
Melting point (Kelvin)
182.80
Boiling point (Celsius)
135.40
Boiling point (Kelvin)
408.60
General information
Molecular weight
114.23g/mol
Molar mass
114.2280g/mol
Density
0.7180g/cm3
Appearence

2,3-Dimethylheptane is typically a clear, colorless liquid. Like other hydrocarbons, it is characterized by its nearly transparent appearance. It lacks any distinct color and can often resemble other similar alkanes in appearance.

Comment on solubility

Solubility of 2,3-Dimethylheptane, 2,4-Dimethylheptane, and 2,3,5-Trimethylhexane

The compounds 2,3-dimethylheptane, 2,4-dimethylheptane, and 2,3,5-trimethylhexane are all aliphatic hydrocarbons, more specifically, they belong to the category of branched alkanes. Due to their molecular structure, the solubility of these compounds in water is minimal. In organic chemistry, the rule of thumb is often referred to as “like dissolves like,” indicating that polar solvents dissolve polar compounds, while non-polar solvents dissolve non-polar compounds.

Here are some key points regarding their solubility:

  • Water Solubility: All three compounds exhibit negligible water solubility, usually less than 1 g/L due to their non-polar characteristics.
  • Organic Solvents: These compounds are well soluble in non-polar organic solvents such as hexane and benzene, making them suitable for various chemical applications.
  • Temperature Factor: Solubility in organic solvents may increase with temperature, but such changes typically do not apply to water solubility.

In summary, the solubility of 2,3-dimethylheptane, 2,4-dimethylheptane, and 2,3,5-trimethylhexane is a clear reflection of their non-polar nature. If you are conducting experiments that require dissolution of these compounds, it’s essential to utilize an appropriate organic solvent to achieve optimal results.

Interesting facts

Interesting Facts about Aliphatic Hydrocarbons

Aliphatic hydrocarbons are hydrocarbons in which the carbon atoms form open chains. Three noteworthy examples in this category include 2,3-dimethylheptane, 2,4-dimethylheptane, and 2,3,5-trimethylhexane. These compounds belong to the class of branched alkanes, which exhibit a variety of fascinating properties and applications.

2,3-Dimethylheptane

This compound is characterized by two methyl groups attached to the second and third carbon atoms of a heptane chain. Here are some intriguing aspects:

  • Isomers: 2,3-dimethylheptane is one of several isomers of heptane, showcasing how small structural changes can lead to different compounds with unique properties.
  • Applications: It serves as a valuable solvent and has applications in the petrochemical industry.
  • Environmental Impact: Understanding its emissions is crucial for evaluating air quality in urban settings, as it can contribute to volatile organic compounds.

2,4-Dimethylheptane

Similar to its structural brother, 2,4-dimethylheptane features methyl groups on the second and fourth carbon atoms:

  • Chain Structure: This unique structure allows for increased branching, which typically results in a higher octane rating, making it desirable as a component in fuels.
  • Thermal Stability: It exhibits improved thermal stability when compared to straight-chain alkanes, rendering it useful in high-temperature applications.
  • Research Opportunities: The compound is frequently subject to study regarding its combustion characteristics and potential as an alternative fuel source.

2,3,5-Trimethylhexane

This compound, with three methyl groups on the hexane backbone, demonstrates fascinating branching efficiency:

  • Complex Isomerism: Its structure leads to varying physical and chemical properties compared to its straight-chain counterparts.
  • Fuel Composition: It’s commonly found in gasoline, contributing positively to the fuel's performance characteristics.
  • Studies on Flow Properties: Ongoing research investigates how trimethylated structures influence the flow properties of hydrocarbons in various environments.

In summary, compounds like 2,3-dimethylheptane, 2,4-dimethylheptane, and 2,3,5-trimethylhexane are not merely chemical constructs; they embody the intricate beauty of organic chemistry and its practical applications in modern society. Through their study, we continue to uncover the myriad ways these hydrocarbons interact with our environment and contribute to industries worldwide.

Synonyms
1-Propene, trimer
13987-01-4
TRIPROPYLENE
Tripropylene.
2,3-dimethylheptane;2,4-dimethylheptane;2,3,5-trimethylhexane
1-Propene trimer
UN2057
SCHEMBL29444235
Tripropylene [UN2057] [Flammable liquid]