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2-Methylnaphthalene

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Identification
Molecular formula
C11H10
CAS number
91-57-6
IUPAC name
2-methylnaphthalene
State
State

At room temperature, 2-methylnaphthalene is a solid. It melts slightly above room temperature, indicating it can transition to a liquid state just above this temperature under ambient conditions.

Melting point (Celsius)
35.70
Melting point (Kelvin)
308.85
Boiling point (Celsius)
241.10
Boiling point (Kelvin)
514.25
General information
Molecular weight
142.20g/mol
Molar mass
142.2010g/mol
Density
1.0206g/cm3
Appearence

2-Methylnaphthalene appears as a white crystalline solid. It can exhibit a somewhat yellowish color when impure or aged. Under standard conditions, it is typically encountered in a solid-state. This compound has a distinct aromatic odor which is characteristic of polycyclic aromatic hydrocarbons.

Comment on solubility

Solubility of 2-Methylnaphthalene

2-Methylnaphthalene, with the chemical formula C11H10, exhibits interesting solubility characteristics that are important for various applications. Here are some key points to consider:

  • Nonpolar Nature: 2-Methylnaphthalene is a nonpolar organic compound. This nonpolarity affects its solubility in different solvents.
  • Solvent Compatibility: It is generally soluble in nonpolar solvents like:
    • Hexane
    • Benzene
    • Toluene
  • Poor Solubility in Polar Solvents: Conversely, 2-methylnaphthalene has limited solubility in polar solvents such as water due to differences in polarity.
  • Hydrophobic Characteristics: Its hydrophobic nature results in low interactions with water molecules, thus making it insoluble.
  • Applications Impact: The solubility profile is critical for processes such as extraction, where its compatibility with oils is leveraged.

As noted, "the solubility of compounds significantly influences their behavior in chemical processes." Understanding the solubility of 2-methylnaphthalene is essential for harnessing its utility in industrial and research settings.

Interesting facts

Exploring 2-methylnaphthalene

2-methylnaphthalene is an intriguing aromatic hydrocarbon that belongs to the family of naphthalenes, showcasing a unique structure that piques the interest of chemists and researchers alike. As a derivative of naphthalene, it features a methyl group on its second carbon, leading to interesting chemical properties and applications.

Key Characteristics of 2-methylnaphthalene

  • Versatile Solvent: Due to its non-polar nature, 2-methylnaphthalene is often utilized as a solvent in organic reactions and material synthesis.
  • Fluorescent Properties: This compound exhibits fluorescence, making it useful in various applications such as organic light-emitting diodes (OLEDs).
  • Polycyclic Aromatic Hydrocarbon (PAH): Being a member of PAHs, it serves as a key subject in studies related to environmental science, especially concerning its occurrence in coal tar and crude oil.
  • Reactivity: 2-methylnaphthalene can undergo electrophilic aromatic substitution, making it a valuable starting material for synthesizing other organic compounds.

Applications and Research

The applications of 2-methylnaphthalene extend beyond simple reactions in a laboratory. For instance:

  • It is an essential component in the production of dyes and pigments.
  • Researchers investigate its role in the formation of polycyclic aromatic compounds, contributing to our understanding of combustion processes.
  • Studies involving this compound can help in assessing the environmental impact of hydrocarbons.

In the words of chemist Robert Bunnett, "The study of aromatic compounds opens up a world of unique properties and applications." With 2-methylnaphthalene, we see not only the beauty of organic chemistry but also the compound's potential in real-world applications.

With ongoing research, the significance of 2-methylnaphthalene in both industrial and environmental settings continues to unfold, making it a compound of great interest in the field of chemistry.

Synonyms
2-METHYLNAPHTHALENE
91-57-6
beta-Methylnaphthalene
Naphthalene, 2-methyl-
.beta.-Methylnaphthalene
Naphthalene, beta-methyl-
HSDB 5274
2-methyl-naphthalene
beta-methyl naphthalenes
NSC 3575
EINECS 202-078-3
S8MCX3C16H
Methyl-2-naphthalene
DTXSID4020878
CHEBI:50720
AI3-17554
NSC-3575
DTXCID60878
CHEMBL195895
EC 202-078-3
C11H10
MFCD00004118
2-?Methylnaphthalene
NAPHTALENE,2-METHYL MFC11 H10
7419-61-6
2-Methylnaphthalene, analytical standard
2-Naphthylmethyl radical
UNII-S8MCX3C16H
Naphthalene, 2-methyl-; 2-Methylnaphthalene; NSC 3575; ss-Methylnaphthalene
B-methylnaphthalene
2-methyInaphthalene
betaMethylnaphthalene
2-methyl naphthalene
betaMethyl naphthalene
naphthalene, 2-methyl
beta-methyl-naphthalene
Beta.-methylnaphthalene
Naphthalene, beta-methyl
bmse000537
2-Methylnaphthalene (beta)
WLN: L66J C1
NSC3575
2-Methylnaphthalene (beta), 97%
Tox21_200839
AC-615
BDBM50159241
STL283950
AKOS000120035
FM37545
MSK000761-100H
CAS-91-57-6
NAPHTALENE,2-METHYL MFC11 H10
NCGC00091415-01
NCGC00091415-02
NCGC00258393-01
BS-22305
DB-002463
M0372
NS00002503
EN300-20114
G77261
2-Methylnaphthalene 10 microg/mL in Cyclohexane
2-Methylnaphthalene 10 microg/mL in Acetonitrile
2-methylnaphthalene Solution in Hexane, 100ug/mL
Q2813819
2-Methylnaphthalene 1000 microg/mL in Dichloromethane
Z104476894
202-078-3