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2,6-Dimethylnaphthalene

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Identification
Molecular formula
C12H12
CAS number
581-42-0
IUPAC name
2,6-dimethylnaphthalene
State
State

At room temperature, 2,6-Dimethylnaphthalene is typically found as a crystalline solid. It is not volatile under normal conditions.

Melting point (Celsius)
104.00
Melting point (Kelvin)
377.15
Boiling point (Celsius)
251.00
Boiling point (Kelvin)
524.15
General information
Molecular weight
156.22g/mol
Molar mass
156.2230g/mol
Density
1.0280g/cm3
Appearence

2,6-Dimethylnaphthalene is a white crystalline solid with a characteristic aromatic odor. Its appearance is typical of many aromatic compounds, appearing as a pure white or off-white solid when pure.

Comment on solubility

Solubility of 2,6-Dimethylnaphthalene

2,6-Dimethylnaphthalene, with the chemical formula C12H10, is a polycyclic aromatic hydrocarbon that exhibits interesting solubility characteristics. Its solubility can be summarized as follows:

  • Polar Solvents: It shows limited solubility in polar solvents, such as water, due to its hydrophobic nature.
  • Non-Polar Solvents: This compound is more soluble in non-polar solvents like hexane, benzene, and toluene, where it can easily dissolve.
  • Temperature Dependence: The solubility in non-polar solvents can increase with temperature, allowing for better mixing and interaction.
  • Solvation Dynamics: The interactions with solvents largely depend on van der Waals forces, highlighting its dependency on the solvent's molecular size and polarity.

In summary, 2,6-dimethylnaphthalene is characterized by:

  • Almost insoluble in water
  • Greater solubility in non-polar organic solvents

Understanding these solubility properties is essential for various applications, including separation processes and the formulation of chemical mixtures.

Interesting facts

Interesting Facts About 2,6-Dimethylnaphthalene

2,6-Dimethylnaphthalene is a fascinating compound that belongs to the class of polycyclic aromatic hydrocarbons (PAHs). Here are some intriguing insights:

  • Pineapple of Chemistry: This compound features a naphthalene structure, modified with two methyl groups at the 2 and 6 positions. This unique arrangement not only gives it its name but also contributes to its distinctive chemical properties.
  • Applications: 2,6-Dimethylnaphthalene is primarily utilized in the production of dyes, plastics, and as a solvent in various chemical reactions. Its versatility makes it invaluable in industrial applications.
  • Environmental Impact: As a member of the PAH family, 2,6-dimethylnaphthalene is of interest in environmental chemistry. PAHs are known for their potential toxicity and role as pollutants, and understanding compounds like this one helps in assessing environmental risks.
  • Flavors and Fragrances: Interestingly, certain dimethyl-naphthalenes are part of the complex mixtures used in fragrances and flavorings, highlighting how chemistry can influence sensory experiences.
  • Recognized Isoforms: 2,6-Dimethylnaphthalene has positional isomers, such as 1,5-dimethylnaphthalene, which exhibit different physical and chemical properties despite having similar molecular formulas. This highlights the significance of structure in determining compound behavior.

The study of 2,6-dimethylnaphthalene not only expands our knowledge of aromatic compounds but also illustrates the interconnectedness of chemistry, industry, and environmental science. As researchers continue to explore its properties and applications, the importance of this compound in science remains prominent.

Synonyms
2,6-DIMETHYLNAPHTHALENE
581-42-0
Naphthalene, 2,6-dimethyl-
2,6-DMN
76U29QW3FM
DTXSID0029187
CHEBI:34251
EINECS 209-464-0
C14330
NSC 36852
NSC-36852
AI3-01876
DTXCID309187
Dimethylnaphthalene (mixture of isomers)
J45.113D
Naphthalene, dimethyl
Naphthalene, 2,6dimethyl
DTXSID7025130
CHEBI:48853
DTXCID001323300
209-464-0
249-241-5
28804-88-8
dimethylnaphthalene
2,6-Dimethyl-naphthalene
C12H12
MFCD00004120
CHEMBL194983
96789-56-9
UNII-76U29QW3FM
Naphthalene, 2,6-dimethyl-; 2,6-Dimethylnaphthalene; NSC 36852
Naphthalene,dimethyl-
Naphthalene, 2,6-(or 2,7)-dimethyl-
2.6-dimethylnaphthalene
2,6-dimethyl-naphtalene
BIDD:ER0559
2,6-Dimethylnaphthalene, 99%
NSC36852
Tox21_200260
BDBM50159257
STL507993
AKOS015842594
CS-W017996
FD30070
FD59814
NCGC00248581-01
NCGC00248581-02
NCGC00257814-01
CAS-581-42-0
LS-14057
DB-047460
A8250
D0751
NS00007634
Q2250787
F0001-1516
Dimethylnaphthalene (technical) 10 microg/mL in Cyclohexane