Benzofluoranthene

Benzofluoranthene is a type of polycyclic aromatic hydrocarbon (PAH), which are organic compounds containing multiple aromatic rings. Benzofluoranthene is a member of the fluoranthene group, which are PAHs with four fused rings in a linear or angular arrangement.

Chemical Structure and Properties

Benzofluoranthene has a molecular formula of C20H12. It is a solid at room temperature and has a molecular weight of 252.31 g/mol. The compound is nonpolar and has a high boiling point due to the presence of multiple aromatic rings. It is insoluble in water but soluble in organic solvents such as toluene, benzene, and xylene.

Sources and Occurrence

Benzofluoranthene is primarily produced from the incomplete combustion of organic materials, particularly fossil fuels. It is commonly found in coal tar, petroleum, and tobacco smoke. It can also be formed during the pyrolysis of organic matter, such as in forest fires or the burning of agricultural waste.

Health Effects

Exposure to benzofluoranthene can have several adverse health effects. It is classified as a probable human carcinogen by the International Agency for Research on Cancer (IARC). Long-term exposure can lead to skin, lung, and bladder cancer. Short-term exposure can cause skin and eye irritation, respiratory problems, and nausea.

Environmental Impact

Benzofluoranthene is persistent in the environment and can accumulate in soil and water bodies. It can also bioaccumulate in the food chain, posing a risk to wildlife and humans.

Prevention and Control

Preventing the formation and release of benzofluoranthene involves controlling the combustion processes that produce it. This can be achieved through the use of cleaner fuels, improved combustion efficiency, and the installation of emission control devices.

See Also

• Polycyclic aromatic hydrocarbon
• Fluoranthene
• Coal tar
• Petroleum
• Tobacco smoke

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