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1,1-Dimethylcyclohexane

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Identification
Molecular formula
C8H16
CAS number
590-66-9
IUPAC name
1,1-dimethylcyclohexane;1,2-dimethylcyclohexane;1,3-dimethylcyclohexane
State
State

1,1-Dimethylcyclohexane is a liquid at room temperature.

Melting point (Celsius)
-69.00
Melting point (Kelvin)
204.15
Boiling point (Celsius)
124.00
Boiling point (Kelvin)
397.15
General information
Molecular weight
112.21g/mol
Molar mass
112.2140g/mol
Density
0.8270g/cm3
Appearence

1,1-Dimethylcyclohexane is a liquid with no distinct color. It is a clear, transparent compound.

Comment on solubility

Solubility of Dimethylcyclohexanes

Dimethylcyclohexanes, which include 1,1-dimethylcyclohexane, 1,2-dimethylcyclohexane, and 1,3-dimethylcyclohexane, exhibit interesting solubility characteristics due to their distinct molecular structures. Here’s a closer look at each:

  • 1,1-Dimethylcyclohexane: This compound displays limited solubility in water due to its nonpolar character, which makes it more soluble in organic solvents like hexane and toluene.
  • 1,2-Dimethylcyclohexane: With a slight increase in polarity compared to its counterpart, its solubility in water is still low; however, it can dissolve in a range of organic solvents, showcasing greater versatility in solubility.
  • 1,3-Dimethylcyclohexane: Similar to the above compounds, it demonstrates poor solubility in water but effectively integrates into organic environments, particularly in aromatic solvents.

Overall, the solubility of these compounds can be summarized as follows:

  1. General trend: Poor water solubility
  2. Compatible with: Organic solvents
  3. Practical applications: Useful in organic synthesis and cross-linked polymer productions

In conclusion, due to their branched alkyl substituents and cyclic structure, dimethylcyclohexanes are predominantly hydrophobic, favoring solubility in nonpolar environments. As always, remember that "like dissolves like", underscoring the importance of considering molecular interactions when predicting solubility.

Interesting facts

Interesting Facts about 1,1-Dimethylcyclohexane

1,1-Dimethylcyclohexane is a fascinating compound in the family of cyclic alkanes. Here are some intriguing aspects:

  • Isomerism: This compound exists as an isomer among cyclohexane derivatives, showcasing two methyl groups on the same carbon atom, which can lead to unique properties.
  • Conformational Analysis: The compound exhibits interesting conformational flexibility. It can adopt different chair and boat conformations, making it a great subject of study for organic chemists focusing on stereochemistry.
  • Practical Uses: Due to its structure, 1,1-dimethylcyclohexane is often studied in industrial applications, particularly in the synthesis of lubricants and other materials.

In the words of chemists, "Exploring the world of isomers opens a Pandora's box of possibilities!"


Interesting Facts about 1,2-Dimethylcyclohexane

This compound is an important member of the dimethylcyclohexane family, distinguished by its unique arrangement of methyl groups:

  • Position Matters: The placement of the methyl groups at the 1 and 2 positions leads to distinct physical properties, such as different boiling points and densities compared to other isomers.
  • Chair Conformation: 1,2-Dimethylcyclohexane predominantly exists in a chair conformation, which is energetically favorable and minimizes steric hindrance.
  • Reactivity: The presence of two methyl groups enhances reactivity due to increased electron density, making this compound a valuable starting material for various chemical reactions.

For students, the message is clear: "Understanding molecular geometry is crucial to mastering organic reactions!"


Interesting Facts about 1,3-Dimethylcyclohexane

1,3-Dimethylcyclohexane showcases the beauty of conformational isomerism and molecular arrangement:

  • Physical Properties: Having methyl groups on the 1 and 3 positions results in very different steric interactions than its 1,2 counterpart, leading to unique chemical properties.
  • Balancing Act: In terms of stability, this compound can exist in both chair forms, but one isomer is favored due to less steric strain in its structure.
  • Research Relevance: Not only is it interesting from a theoretical viewpoint, but 1,3-dimethylcyclohexane is also studied in practical applications like organic synthesis and materials science.

As experts say, "The arrangement of atoms in a molecule can dictate both its stability and reactivity, offering a vast playground for scientific exploration!"