POPOP

POPOP

Names
Preferred IUPAC name 2,2′-(1,4-Phenylene)bis(5-phenyl-1,3-oxazole)
Other names POPOP
Identifiers
CAS Number	1806-34-4 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:52236 N
ChemSpider	14960 N
EC Number	217-304-6
PubChem CID	15732
UNII	MDI740G2Q0 Y
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/h1-16H N Key: MASVCBBIUQRUKL-UHFFFAOYSA-N 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/h1-16H Key: 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 [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

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.^[1] POPOP is used in both solid and liquid organic scintillators.

References

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