Encyclopedia: Bpde
Benzopyrene, C20H12, is a five-ring polycyclic aromatic hydrocarbon that is mutagenic and highly carcinogenic. It is a crystalline yellow solid. Benzopyrene is a product of incomplete combustion at temperatures between 300 and 600 °C. Benzopyrene was determined in 1933 to be the component of coal tar responsible for the first recognized occupation-associated cancers, the sooty warts suffered by chimney sweeps in 18th century England. In the 19th century, high incidences...