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4-methylphenanthrene

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Identification
Molecular formula
C15H12
CAS number
832-69-9
IUPAC name
4-methylphenanthrene
State
State

4-Methylphenanthrene is typically found in a solid state at room temperature. Its crystalline structure makes it stable and not prone to rapid environmental degradation, but it does slowly volatilize over time due to its aromatic nature.

Melting point (Celsius)
100.50
Melting point (Kelvin)
373.65
Boiling point (Celsius)
340.30
Boiling point (Kelvin)
613.45
General information
Molecular weight
192.27g/mol
Molar mass
192.2650g/mol
Density
1.0469g/cm3
Appearence

4-Methylphenanthrene typically appears as a white to pale yellow crystalline solid. It is a polycyclic aromatic hydrocarbon which means its structure includes multiple interconnected aromatic rings that can absorb UV light, often giving such compounds a characteristic color.

Comment on solubility

Solubility of 4-methylphenanthrene

4-methylphenanthrene is an aromatic hydrocarbon with limited solubility properties. When discussing its solubility, several key factors come into play:

  • Organic Solvents: This compound is predominantly soluble in non-polar organic solvents such as benzene, toluene, and xylene due to its hydrophobic nature.
  • Water Solubility: 4-methylphenanthrene exhibits very low solubility in water, typically measured in the range of micromolar concentrations, making it virtually insoluble in aqueous environments.
  • Temperature Influence: The solubility of aromatic compounds like 4-methylphenanthrene can be affected by temperature; often, higher temperatures can increase solubility in organic solvents.

To summarize, one can say that “the solubility of 4-methylphenanthrene is deeply rooted in its non-polar character, allowing it to thrive in organic media while remaining effectively isolated from polar environments like water.”


In practical applications, understanding its solubility is crucial for processes such as extraction, synthesis, and environmental studies. The low water solubility, paired with its affinity for organic solvents, highlights its behavior in biological and ecological contexts.

Interesting facts

Interesting Facts about 4-methylphenanthrene

4-methylphenanthrene is a fascinating polycyclic aromatic hydrocarbon (PAH) that offers a variety of intriguing features. Here are some captivating insights:

  • Structure and Isomerism: This compound is one of the isomers of methylphenanthrene, which means it shares the same molecular formula with its structural variants. The presence of a methyl group at the 4-position in the phenanthrene structure leads to unique chemical properties compared to its other isomers.
  • Toxicity Concerns: Like many PAHs, 4-methylphenanthrene is of interest in toxicology. It's important because certain PAHs are known to be carcinogenic. Understanding compounds like this helps in assessing the risks associated with exposure, especially in environmental and health studies.
  • Source and Formation: This compound is typically found in fossil fuels and is a by-product of combustion processes. The synthesis of 4-methylphenanthrene can happen naturally, but it is also synthesized in laboratories for research purposes.
  • Research Applications: 4-methylphenanthrene is utilized in various fields of research, including materials science and environmental chemistry. Its behavior in different environments can provide insights into the transport and fate of hydrocarbons in nature.
  • Analytical Methods: The study of 4-methylphenanthrene often involves advanced analytical techniques such as gas chromatography and mass spectrometry. These methods help in identifying the compound in complex mixtures typically found in environmental samples.

In summary, 4-methylphenanthrene represents a significant compound within the realm of polycyclic aromatic hydrocarbons. Its structural characteristics, toxicity implications, and relevance in both natural and synthetic contexts make it a subject of ongoing research and discussion among chemists and environmental scientists. Understanding such compounds is crucial for grasping the broader implications of chemical interactions in our world.

Synonyms
4-METHYLPHENANTHRENE
832-64-4
Phenanthrene, 4-methyl-
4931P56DVP
NSC-21046
31711-53-2
Phenanthrene, methyl-
UNII-4931P56DVP
NSC21046
EINECS 212-621-6
NSC 21046
4-methyl-phenanthrene
DTXSID7073933
AKOS024329379
NS00002091
Q27259217