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POPOP

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POPOP
Names
Preferred IUPAC name 2,2′-(1,4-Phenylene)bis(5-phenyl-1,3-oxazole)
Other names POPOP
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.015.731 Edit this at Wikidata
EC Number
  • 217-304-6
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C24H16N2O2/c1-3-7-17(8-4-1)21-15-25-23(27-21)19-11-13-20(14-12-19)24-26-16-22(28-24)18-9-5-2-6-10-18/h1-16HKey: MASVCBBIUQRUKL-UHFFFAOYSA-N
  • InChI=1/C24H16N2O2/c1-3-7-17(8-4-1)21-15-25-23(27-21)19-11-13-20(14-12-19)24-26-16-22(28-24)18-9-5-2-6-10-18/h1-16HKey: MASVCBBIUQRUKL-UHFFFAOYAO
SMILES
  • C1=CC=C(C=C1)C2=CN=C(O2)C3=CC=C(C=C3)C4=NC=C(O4)C5=CC=CC=C5
Properties
Chemical formula C24H16N2O2
Molar mass 364.40 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

POPOP or 1,4-bis(5-phenyloxazol-2-yl) benzene is a scintillator. It is used as a wavelength shifter (also called a "secondary scintillator"), which means that it converts shorter wavelength light to longer wavelength light. Its output spectrum peaks at 410 nm, which is violet. POPOP is used in both solid and liquid organic scintillators.

References

  1. Mechanism of Liquid Scintillation Counting, National Diagnostics, retrieved 24 Sept 2007
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