Perylene

**Definition:** A 20-carbon dibenz(de,kl)anthracene that can be viewed as a naphthalene fused to a phenalene or as dinaphthalene. It is used as fluorescent lipid probe in the cytochemistry of membranes and is a polycyclic hydrocarbon pollutant in soil and water. Derivatives may be carcinogenic.

**Tree numbers:** - D02.455.426.559.847.117.800 - D02.455.426.559.847.680.750 - D04.615.125.800 - D04.615.680.750

**Synonyms:** - Perilene - Peri-Dinaphthalene