9,10-Bis(phenylethynyl)anthracene

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9,10-Bis(phenylethynyl)anthracene
Skeletal formula
Ball-and-stick model
Identifiers
CAS number 10075-85-1
PubChem 82338
ChemSpider 74309 YesY
EC number 233-210-8
ChEBI CHEBI:51675 YesY
Jmol-3D images Image 1
Properties
Molecular formula C30H18
Molar mass 378.473 g/mol
Appearance Orange needle crystals
Melting point 252 to 258 °C (486 to 496 °F; 525 to 531 K)
Hazards
R-phrases R36/37/38
S-phrases S26 S36 S37/39 S45 S28A
Main hazards Irritant (Xi)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

9,10-Bis(phenylethynyl)anthracene (BPEA) is an aromatic hydrocarbon with the chemical formula is C30H18. It displays strong fluorescence and is used as a chemiluminescent fluorophore with high quantum efficiency.

It is used in lightsticks as a fluorophor producing ghostly green light. It is also used as a dopant for organic semiconductors in OLEDs.

The emission wavelength can be lowered by substituting the anthracene core by halogens or alkyls. 2-ethyl and 1,2-dimethyl substituted BPEAs are also in use.

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