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3,12-Dimethylbenzo[a]pyrene

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Identification
Molecular formula
C22H16
CAS number
189-64-0
IUPAC name
3,12-dimethylbenzo[a]pyrene
State
State
At room temperature, 3,12-dimethylbenzo[a]pyrene is in a solid state, often in crystalline form.
Melting point (Celsius)
179.00
Melting point (Kelvin)
452.15
Boiling point (Celsius)
543.00
Boiling point (Kelvin)
816.15
General information
Molecular weight
278.36g/mol
Molar mass
278.3620g/mol
Density
1.3000g/cm3
Appearence
3,12-Dimethylbenzo[a]pyrene is typically a yellow-orange crystalline solid. Its polycyclic aromatic structure is composed of fused benzene rings, contributing to its coloration.
Comment on solubility

Solubility of 3,12-Dimethylbenzo[a]pyrene

3,12-Dimethylbenzoapyrene is a polycyclic aromatic hydrocarbon known for its complex structure and unique properties. When it comes to solubility, this compound presents interesting characteristics:

  • Solvent Dependency: The solubility of 3,12-dimethylbenzoapyrene is heavily influenced by the solvent used. It is generally soluble in organic solvents but exhibits limited solubility in water.
  • Hydrophobic Nature: Being a hydrophobic compound, it tends to aggregate in aqueous environments, which significantly reduces its solubility in water.
  • Presence of Functional Groups: The presence and position of methyl groups at the 3 and 12 positions of the benzoapyrene core can affect its interactions with solvents, contributing to varied solubility behaviors.
  • Temperature Influence: The solubility tends to increase with temperature in organic solvents, making thermal conditions an essential factor to consider in practical applications.

Overall, the solubility profile of 3,12-dimethylbenzoapyrene highlights its unique chemical structure and behavior in different environments. As noted, it is recommended to always consider the solvent system as it greatly affects the solubility characteristics of this compound.

Interesting facts

Interesting Facts about 3,12-Dimethylbenzo[a]pyrene

3,12-Dimethylbenzoapyrene is a polycyclic aromatic hydrocarbon (PAH) renowned for its complex structure and significant implications in environmental chemistry. Here are some compelling points to consider:

  • Source and Formation: This compound is typically formed through the incomplete combustion of organic matter, making it commonly found in products like coal tar, grilled meats, and cigarette smoke.
  • Carcinogenic Potential: 3,12-Dimethylbenzoapyrene is infamous for its potential carcinogenic effects, as studies have indicated that exposure can lead to various forms of cancer, contributing to its classification as a hazardous substance.
  • Environmental Impact: As a significant pollutant, this compound adheres to soil and sediment, leading to its bioaccumulation in aquatic organisms, which can disrupt ecological systems.
  • Detection Methods: The presence of 3,12-dimethylbenzoapyrene is often detected using advanced techniques such as gas chromatography-mass spectrometry (GC-MS), which allows scientists to analyze trace amounts in environmental samples.
  • Synthetic Applications: Interestingly, this compound is not only a pollutant but also serves a role in research. It is used in studying the mechanisms of mutagenesis and cancer development, further highlighting its relevance in chemical research.

In the words of chemist Robert J. Hay, "Understanding the behavior of compounds like 3,12-dimethylbenzo[a]pyrene is crucial for developing strategies to mitigate their harmful effects." Emphasizing the importance of such compounds can guide future research and environmental policies aimed at reducing exposure and pollution.

Synonyms
BENZO(a)PYRENE, 3,12-DIMETHYL-
3,12-dimethylbenzo[a]pyrene
3,12-Dimethylbenzo(a)pyrene
16757-84-9
BRN 2376011
DTXSID80168314