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Benzo[a]pyren-5-ol

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Identification
Molecular formula
C20H12O
CAS number
1689-64-1
IUPAC name
benzo[a]pyren-5-ol
State
State

At room temperature, Benzo[a]pyren-5-ol is typically found in a solid state, existing as crystalline yellow-green powder.

Melting point (Celsius)
178.00
Melting point (Kelvin)
451.15
Boiling point (Celsius)
510.55
Boiling point (Kelvin)
783.70
General information
Molecular weight
268.32g/mol
Molar mass
268.2940g/mol
Density
1.3740g/cm3
Appearence

Benzo[a]pyren-5-ol appears as yellow-green crystals. It is known for its extended polycyclic aromatic structure, contributing to its electronic properties and color.

Comment on solubility

Solubility of Benzo[a]pyren-5-ol

Benzo[a]pyren-5-ol, a polycyclic aromatic compound, exhibits intriguing solubility characteristics that are influenced by its unique structure. Understanding its solubility is crucial for various applications, including environmental science and toxicology.

Key Solubility Characteristics:

  • Solvent Dependence: Benzo[a]pyren-5-ol tends to be more soluble in organic solvents like ethanol and acetone compared to water, which reflects its hydrophobic nature.
  • pH Sensitivity: The solubility can be affected by the pH of the solution. In acidic or basic conditions, the ionization of the hydroxyl group (-OH) may alter its solubility.
  • Temperature Effects: Increasing temperature generally enhances solubility in organic solvents, allowing for better dissolution rates in higher temperatures.
  • Concentration Impact: At higher concentrations, the solubility limits may be reached, creating a scenario where Benzo[a]pyren-5-ol can precipitate out of solution.

In summary, the solubility of Benzo[a]pyren-5-ol is a complex interplay of its molecular structure and environmental conditions, making it an important subject for further research. As noted, it is typically more soluble in non-polar environments, but understanding its behavior in various solvents remains critical for harnessing its full potential in practical applications.

Interesting facts

Interesting Facts about Benzo[a]pyren-5-ol

Benzo[a]pyren-5-ol is a fascinating compound that is part of the polycyclic aromatic hydrocarbons (PAHs) family. As a scientist or chemistry student, there are several intriguing aspects to explore:

  • Origin: This compound is derived from benzo[a]pyrene, which is notorious for being a potent mutagen and carcinogen. Understanding benzo[a]pyren-5-ol helps shed light on the biochemical pathways of PAHs.
  • Biological significance: Benzo[a]pyren-5-ol can arise from the metabolic processes of organisms exposed to benzo[a]pyrene, making it an important marker for environmental and health studies.
  • Research implications: Studying the metabolic products of PAHs, including benzo[a]pyren-5-ol, enables scientists to investigate mechanisms of toxicity and carcinogenesis, which is crucial for developing safety regulations regarding air pollution and tobacco smoke.
  • Environmental effects: Benzo[a]pyren-5-ol can be found in various environmental contexts, such as soil and water, potentially affecting ecosystems and human health.
  • Analytical methods: The detection and quantification of benzo[a]pyren-5-ol in samples involve sophisticated techniques like gas chromatography and mass spectrometry, highlighting advancements in analytical chemistry.

In summary, benzo[a]pyren-5-ol not only serves as a reminder of the potential dangers associated with polycyclic aromatic hydrocarbons but also presents a rich field of study in environmental science, toxicology, and analytical chemistry. Such compounds encapsulate the complexities of human interaction with chemical pollutants and their long-term effects on health and the environment.

Synonyms
5-Hydroxybenzo(a)pyrene
benzo[a]pyren-5-ol
24027-84-7
5-Hydroxybenzo[a]pyrene
5-Hydroxybenz(a)pyrene
BENZO(a)PYREN-5-OL
Benzo(a)pyrene, 5-hydroxy-
UNII-CF64SCV84C
CF64SCV84C
BRN 1982202
DTXSID10178769
HYDROXYBENZO(A)PYRENE, 5-
3-06-00-03809 (Beilstein Handbook Reference)
RefChem:102864
DTXCID20101260
CHEBI:34456
5-Hydroxy benzo[a]pyrene
BIDD:ER0427
SCHEMBL7774162
SCHEMBL7996318
CHEMBL1908023
Q27116082