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2-Methylbenzo[a]pyrene

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Identification
Molecular formula
C21H14
CAS number
3351-28-8
IUPAC name
2-methylbenzo[a]pyrene
State
State

At room temperature, 2-Methylbenzo[a]pyrene is solid. It exists in the form of crystalline granules or a powder, and it must be handled with appropriate safety measures to avoid inhalation or contact due to its toxic nature.

Melting point (Celsius)
180.00
Melting point (Kelvin)
453.15
Boiling point (Celsius)
435.00
Boiling point (Kelvin)
708.15
General information
Molecular weight
266.34g/mol
Molar mass
266.3390g/mol
Density
1.1795g/cm3
Appearence

2-Methylbenzo[a]pyrene is typically a colorless to pale yellow solid. It is known for producing toxic and possibly carcinogenic vapors that must be handled with care, especially under conditions where it might be vaporized or its dust might become airborne.

Comment on solubility

Solubility of 2-methylbenzo[a]pyrene

2-methylbenzo[a]pyrene, a polycyclic aromatic hydrocarbon, exhibits interesting solubility characteristics that are important to consider in various chemical contexts. Its solubility is influenced by several factors:

  • Nonpolar Character: Being a large nonpolar molecule, 2-methylbenzo[a]pyrene is primarily soluble in organic solvents.
  • Solvent Types: It shows good solubility in solvents such as:
    • Hexane
    • Toluene
    • Chloroform
  • Water Solubility: The solubility in water is extremely low due to its hydrophobic nature, making it practically insoluble in aqueous solutions.

Understanding the solubility of 2-methylbenzo[a]pyrene is essential for applications such as environmental science, where its persistence and mobility can affect contamination levels and bioavailability.

In summary, although 2-methylbenzo[a]pyrene demonstrates significant solubility in nonpolar solvents, it exhibits minimal solubility in water, reflecting the complex interplay of structure and solvent interactions in chemical behavior.

Interesting facts

Interesting Facts about 2-methylbenzo[a]pyrene

2-methylbenzo[a]pyrene is a fascinating compound that belongs to the family of polycyclic aromatic hydrocarbons (PAHs). It is noteworthy due to both its structure and its implications in environmental chemistry and toxicology. Here are some compelling points about this compound:

  • Carcinogenic Properties: 2-methylbenzo[a]pyrene is recognized as a potent carcinogen. This significance stems from its ability to interact with DNA, potentially leading to mutations.
  • Environmental Concerns: Like many PAHs, this compound is prevalent in urban environments, often found in soot, coal tar, and grilled foods. Its persistent nature raises critical questions about long-term environmental impact.
  • Detection: Various detection methods, such as chromatography and mass spectrometry, are essential for studying the presence of 2-methylbenzo[a]pyrene in samples, aiding scientists in monitoring pollution levels.
  • Biological Metabolism: The metabolism of 2-methylbenzo[a]pyrene in living organisms can result in various metabolites, some of which may also possess biological activity and toxicity.

In conclusion, 2-methylbenzo[a]pyrene serves as a notable example of how chemical structures can impact health and environment significantly. As one explores the world of organic chemistry, understanding such compounds’ roles can unravel complex interactions governing our surroundings.

Synonyms
2-methylbenzo[a]pyrene
2-Methylbenzo(a)pyrene
BENZO(a)PYRENE, 2-METHYL-
CCRIS 2436
S8PD4YG8H9
BRN 2528162
DTXSID60168312
3-05-00-02528 (Beilstein Handbook Reference)
DTXCID8090803
16757-82-7
9-Methyl-3,4-benzpyrene
UNII-S8PD4YG8H9
SCHEMBL598886