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1,8-Dimethylnaphthalene

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Identification
Molecular formula
C12H12
CAS number
571-17-5
IUPAC name
1,8-dimethylnaphthalene
State
State

At room temperature, 1,8-Dimethylnaphthalene is in a liquid state. It is stable under normal conditions of use and storage, owing to its aromatic nature, which offers increased thermodynamic stability.

Melting point (Celsius)
53.50
Melting point (Kelvin)
326.65
Boiling point (Celsius)
273.50
Boiling point (Kelvin)
546.65
General information
Molecular weight
156.22g/mol
Molar mass
156.2230g/mol
Density
0.9980g/cm3
Appearence

1,8-Dimethylnaphthalene is typically a colorless liquid, although it can sometimes appear slightly yellow due to impurities or oxidation. It has a characteristic aromatic odor, common to naphthalene derivatives. In its pure form, the compound can crystallize into needle-like structures when cooled.

Comment on solubility

Solubility of 1,8-Dimethylnaphthalene

1,8-Dimethylnaphthalene, a hydrocarbon compound, exhibits interesting solubility characteristics. Its solubility can be influenced by several factors, including temperature and the nature of the solvent. Here are some key points to consider:

  • Nonpolar Nature: As a member of the naphthalene family and a polycyclic aromatic hydrocarbon, 1,8-dimethylnaphthalene is primarily nonpolar. Therefore, it tends to dissolve well in nonpolar solvents such as hexane or benzene.
  • Water Insolubility: This compound is essentially insoluble in water due to its nonpolar structure, which does not favor interactions with the highly polar water molecules.
  • Temperature Dependence: The solubility of 1,8-dimethylnaphthalene can increase with rising temperature, allowing it to dissolve more in nonpolar solvents at higher temperatures.

In summary, 1,8-dimethylnaphthalene is predominantly soluble in nonpolar solvents, while it remains insoluble in polar solvents like water. Understanding these solubility characteristics is crucial for various applications in chemical processes and reactions.

Interesting facts

Interesting Facts about 1,8-Dimethylnaphthalene

1,8-Dimethylnaphthalene is a fascinating aromatic hydrocarbon that belongs to the naphthalene derivatives. Here are some engaging insights:

  • Aromatic Nature: As a polycyclic aromatic hydrocarbon, it features a unique fused ring structure that contributes to its stability and distinctive properties.
  • Uses in Industry: This compound is often utilized in various chemical processes, particularly as an intermediate in the synthesis of other organic compounds. It's also used in the production of dyes and fragrances.
  • Biological Relevance: Some studies suggest that compounds like 1,8-dimethylnaphthalene may exhibit biological activity, making them subjects of interest in pharmacological research. Their interactions with biological systems can provide insights into new therapeutic avenues.
  • Environmental Aspects: Being a derivative of naphthalene, it can be found in products such as mothballs. Understanding its environmental impact and toxicity is crucial for developing safer alternatives in consumer products.
  • Reactivity: The substituent positions factored into its structure lead to unique reactivity patterns. These can affect how it interacts with other chemical species in various reactions.

In conclusion, 1,8-dimethylnaphthalene is not just a compound with a simple name but a significant player in various chemical and biological arenas. Its study can lead to a deeper understanding of complex organic chemistry and the implications for both industrial applications and environmental health.

Synonyms
1,8-DIMETHYLNAPHTHALENE
Naphthalene, 1,8-dimethyl-
UNII-22P9FW1L76
1,8-DMN
22P9FW1L76
EINECS 209-314-4
DTXSID6060347
CHEBI:48610
DTXCID8042137
209-314-4
inchi=1/c12h12/c1-9-5-3-7-11-8-4-6-10(2)12(9)11/h3-8h,1-2h
xaabpyinpxyolm-uhfffaoysa-n
569-41-5
1,8-dimethyl naphthalene
1,8-Dimethyl-naphthalene
1,8-Dimethylnaphthalene, 95%
AKOS015842633
FD-0040
DB-052989
1,8-Dimethylnaphthalene, analytical standard
CS-0317619
NS00033609
G77259
Q27121288