Dibenzo (a,l) pyrene

**Semantic type:** Hazardous or Poisonous Substance|Organic Chemical

**Definition:** A yellowish-reddish, carcinogenic aromatic hydrocarbon consisting of six fused rings and produced by the incomplete combustion of organic matter. Dibenzo[a,e]pyrene is primarily found in coal gasification products, cigarette smoke and fossil fuels. This substance is used only for research purposes to induce tumorigenesis. Dibenzo[a,e]pyrene is a mutagen and is reasonably anticipated to be a human carcinogen.

**Synonyms:** - 1,2,3,4-Dibenzopyrene - DB(a,l)P - DIBENZO(A,L)PYRENE - Dibenzo(def,p)chrysene - Dibenzo[a,l]pyrene