Perylene
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The chemical structure of Perylene
Perylene or perilene is a polycyclic aromatic hydrocarbon with chemical formula C20H12 and CAS number [198-55-0] [1], occurring as a brown solid. It or its derivatives may be carcinogenic, and it is considered to be a hazardous pollutant. In cell membrane cytochemistry, perylene is used as a fluorescent lipid probe.
Perylene displays blue fluorescence. It is used as a blue-emitting dopant material in OLEDs, either pure or substituted. Perylene can be also used as an organic photoconductor. It has an absorption maximum at 434nm, and as with all polycyclic aromatic compounds, low water solubility (1.2 x 10-5 mmol/l). Perylene has a molar extinction coefficient of 38,500 M-1cm-1 at 435.75 nm.
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