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B50805

Sigma-Aldrich

1,4-Bis(5-phenyl-2-oxazolyl)benzene

suitable for scintillation, 98%

Synonym(s):

1,4-Bis(5-phenyl-2-oxazolyl)benzene, 2,2′-p-Phenylene-bis(5-phenyloxazole), Di(phenyl-5-oxazolyl-2)-1,4-benzene, POPOP

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About This Item

Empirical Formula (Hill Notation):
C24H16N2O2
CAS Number:
1806-34-4
Molecular Weight:
364.40
Beilstein:
325741
MDL number:
MFCD00005309
UNSPSC Code:
41116105
PubChem Substance ID:
329773249

Assay

98%

mp

242-246 °C (lit.)

suitability

suitable for scintillation

SMILES string

c1ccc(cc1)-c2cnc(o2)-c3ccc(cc3)-c4ncc(o4)-c5ccccc5

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

InChI key

MASVCBBIUQRUKL-UHFFFAOYSA-N

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General description

1,4-Bis(5-phenyl-2-oxazolyl)benzene (POPOP) is a scintillation luminophore. It is commonly used as a secondary wavelength shifter. The photochemical and photophysical studies of POPOP in different solvents have been reported.

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Photophysical Parameters, Excitation Energy Transfer, and Photoreactivity of 1,4-Bis (5-phenyl-2-oxazolyl) benzene (POPOP) Laser Dye.
El-Daly SA, et al.
International Journal of Photoenergy, 2012 (2012)
Investigation of the physical and the optical properties of various base solvents for the liquid scintillator in a neutrino detector.
So SH, et al.
The Journal of the Korean Physical Society, 62(1), 26-33 (2013)
New solution-processable carbazole derivatives as deep blue emitters for organic light-emitting diodes.
Reig M, et al.
Royal Society of Chemistry Advances, 6(11), 9247-9253 (2016)
J Hedstrom et al.
Biochemistry, 27(17), 6203-6208 (1988-08-23)
Measurements of homogeneous and heterogeneous fluorescence intensity decays using a hybrid time-correlated single photon counting/multifrequency phase fluorometer are reported. A trio of fluorophores exhibiting a range of decay profiles was selected. p-Terphenyl, 1,4-bis[2-(4-methyl-5-phenyloxazolyl)]benzene [(Me)2POPOP], and p-bis[2-(5-phenyloxazolyl)]benzene (POPOP), commonly used reference
Xiaohui Hou et al.
Analytical biochemistry, 368(1), 100-110 (2007-06-15)
In this study, micron-sized poly(styrene-co-glycidyl methacrylate) (PSt-GMA) fluorescent microspheres of 5.1microm in diameter were synthesized via dispersion polymerization of styrene and glycidyl methacrylate in the presence of 1,4-bis(5-phenyloxazol-2-yl) benzene (POPOP), which provided surface functional groups for covalent immobilization of enzymes.
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