Chrysene
Chrysene
Chrysene (pronounced kriːˈsiːn) is a polycyclic aromatic hydrocarbon (PAH) consisting of four fused benzene rings. This yellow crystalline compound is one of the simplest PAHs that is considered to be a carcinogen.
Etymology
The term "Chrysene" is derived from the Greek word "chrysos" which means gold. This is in reference to the golden-yellow color of the compound.
Properties
Chrysene is a hydrocarbon that is solid at room temperature. It is insoluble in water but soluble in nonpolar organic solvents such as toluene and benzene. It has a melting point of 255 °C and a boiling point of 448 °C.
Occurrence and Production
Chrysene is found in coal tar, a byproduct of the coal processing industry. It is also present in the smoke produced by burning organic materials like tobacco and wood. In the laboratory, chrysene can be produced by the process of dehydrogenation of tetrahydrochrysene.
Health Effects
Exposure to chrysene can lead to various health problems. It is classified as a Group 3 carcinogen by the International Agency for Research on Cancer (IARC), indicating that it is possibly carcinogenic to humans. Long-term exposure can lead to skin, lung, and bladder cancer.
Related Terms
- Polycyclic aromatic hydrocarbon
- Benzene
- Carcinogen
- Coal tar
- Dehydrogenation
- Tetrahydrochrysene
- Group 3 carcinogen
- International Agency for Research on Cancer
External links
- Medical encyclopedia article on Chrysene
- Wikipedia's article - Chrysene
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