Perylene
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Preferred IUPAC name
Perylene
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| Other names
peri-Dinaphthalene; Perilene; Dibenz[de,kl]anthracene
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3D model (Jmol)
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| ChemSpider | |||
| ECHA InfoCard | 100.005.365 | ||
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PubChem CID
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| Properties | |||
| C20H12 | |||
| Molar mass | 252.32 g·mol−1 | ||
| Appearance | Brown solid | ||
| Melting point | 276 to 279 °C (529 to 534 °F; 549 to 552 K) | ||
| -166.8·10−6 cm3/mol | |||
| Hazards | |||
| S-phrases | S22 S24/25 | ||
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Perylene or perilene is a polycyclic aromatic hydrocarbon with the chemical formula C20H12, occurring as a brown solid. It or its derivatives may be carcinogenic, and it is considered to be a hazardous pollutant. In cell membrane , perylene is used as a fluorescent lipid probe. It is the parent compound of a class of rylene dyes.
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 . It has an absorption maximum at 434 nm, and as with all polycyclic aromatic compounds, low water solubility (1.2 x 10−5 mmol/L). Perylene has a molar absorptivity of 38,500 M−1cm−1 at 435.7 nm.
Perylene dissolved in dichloromethane exposed to Long Wave UV radiation
Perylene dissolved in dichloromethane exposed to Short Wave UV radiation
The perylene molecule consists of two naphthalene molecules connected by a carbon-carbon bond at the 1 and 8 positions on both molecules. All of the carbon atoms in perylene are sp2 hybridized. The structure of perylene has been extensively studied by X-ray crystallography.
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