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2,7-Dimethylnaphthalene

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Identification
Molecular formula
C12H12
CAS number
582-23-2
IUPAC name
2,7-dimethylnaphthalene
State
State

At room temperature, 2,7-Dimethylnaphthalene is in a solid state.

Melting point (Celsius)
110.00
Melting point (Kelvin)
383.15
Boiling point (Celsius)
260.00
Boiling point (Kelvin)
533.15
General information
Molecular weight
156.22g/mol
Molar mass
156.2230g/mol
Density
0.9890g/cm3
Appearence

2,7-Dimethylnaphthalene is typically a crystalline solid. It may appear as colorless or white crystals or powder, depending on the specific form it takes.

Comment on solubility

Solubility of 2,7-Dimethylnaphthalene

2,7-Dimethylnaphthalene, with the chemical formula C12H10, exhibits unique solubility characteristics that are important to consider in various applications.

This compound is primarily known for its low solubility in water, as is typical for many polycyclic aromatic hydrocarbons. The reasons for this include:

  • The presence of hydrophobic methyl groups that inhibit interaction with polar solvents like water.
  • The overall structure of the naphthalene ring system, which is prone to π-π stacking interactions, further reducing solubility in polar media.

In contrast, 2,7-dimethylnaphthalene is more soluble in organic solvents. Particularly:

  1. Aliphatic hydrocarbons (e.g., hexane, heptane)
  2. Aromatic solvents (e.g., toluene, xylene)
  3. Chlorinated solvents (e.g., dichloromethane)

It’s worth noting that small changes in temperature can significantly affect solubility, as increased temperature tends to enhance solubility in organic solvents. As you work with this compound, consider its solubility profile for applications in organic synthesis and material science.

Interesting facts

Interesting Facts about 2,7-Dimethylnaphthalene

2,7-Dimethylnaphthalene is a fascinating polycyclic aromatic hydrocarbon that presents a variety of interesting characteristics for both chemists and students alike. Here are some key facts:

  • Structure and Isomerism: This compound features two methyl groups positioned at the 2 and 7 positions of the naphthalene ring system, introducing an element of complexity. Isomerism plays a significant role in its behavior and properties, impacting how it interacts with other compounds.
  • Sources in Nature: 2,7-Dimethylnaphthalene is found in various natural substances, including fossil fuels and the decomposition of organic matter. This makes it a compound of interest in environmental chemistry, particularly in studies about pollutant formations.
  • Applications: Beyond its natural occurrence, this compound is used in several industrial applications. It serves as an intermediate in the synthesis of dyes, fragrances, and other organic compounds, reflecting its importance in organic chemistry.
  • Toxicity and Safety: Understanding the toxicity of compounds like 2,7-dimethylnaphthalene is vital for safety in handling and usage. It is essential for chemists and students to be aware of safety protocols when working with polycyclic aromatic hydrocarbons due to their potential health risks.
  • Research Potential: The study of 2,7-dimethylnaphthalene continues to be relevant in research, particularly in the field of materials science. Investigating its properties can lead to new discoveries in polymer chemistry and nanomaterials.

In summary, 2,7-dimethylnaphthalene showcases the intricate world of chemical compounds. Its structural characteristics, natural sources, applications, and safety considerations make it a subject of interest for those in the chemical sciences. As you delve into this compound, remember that every molecule tells a story of its own!

Synonyms
2,7-DIMETHYLNAPHTHALENE
582-16-1
Naphthalene, 2,7-dimethyl-
2,7-DMN
UNII-ON63XH5BQ4
ON63XH5BQ4
CHEBI:48632
EINECS 209-477-1
NSC 36851
NSC-36851
AI3-17610
DTXSID7060386
DTXCID9042336
Naphthalene, 2,7-dimethyl-(8CI)
Naphthalene, 2,7-dimethyl-(8CI)(9CI)
209-477-1
lrqysmqnjlzkps-uhfffaoysa-n
2,7-dimethyl-naphthalene
MFCD00004121
CHEMBL195036
NSC36851
2,7-Dimethylnaphthalene, 99%
2 pound not7-Dimethylnaphthalene
BDBM50159240
AKOS006221862
SB37788
DS-11890
SY049119
DB-020264
CS-0038993
D0752
NS00033885
Q27121295