D4630
2,5-Diphenyloxazole
suitable for liquid scintillation spectrometry
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All Photos(3)
Synonym(s):
DPO, PPO
Empirical Formula (Hill Notation):
C15H11NO
CAS Number:
Molecular Weight:
221.25
Beilstein/REAXYS Number:
157021
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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form
powder
Quality Level
bp
360 °C (lit.)
mp
72-74 °C (lit.)
suitability
suitable for liquid scintillation spectrometry
SMILES string
c1ccc(cc1)-c2cnc(o2)-c3ccccc3
InChI
1S/C15H11NO/c1-3-7-12(8-4-1)14-11-16-15(17-14)13-9-5-2-6-10-13/h1-11H
InChI key
CNRNYORZJGVOSY-UHFFFAOYSA-N
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General description
2,5-Diphenyloxazole (also known as PPO or p-phenylphenoxazole) is a fluorescent organic compound. It can be also used as an organic scintillator due to its high photoluminescence quantum yield and intriguing luminescent properties. It is widely used as a fluorescent probe or dye in analytical chemistry and biochemistry.
Application
2,5-Diphenyloxazole (PPO) can be used in:
- fluorography techniques for the detection of tritium, tritiated glycopeptides, and 35S labeled proteins.
- liquid scintillation cocktails as primary and secondary fluors.
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Certificates of Analysis (COA)
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Study of new luminophores for use in modern scintillation cocktails
Janda J, et al.
Journal of Luminescence, 201, 390-396 (2018)
Two-component molecular materials of 2, 5-diphenyloxazole exhibiting tunable ultraviolet/blue polarized emission, pump-enhanced luminescence, and mechanochromic response
Yan, et al.
Advanced Functional Materials
, 24, 587-594 (2014)
Wavelength dependant quenching of 2, 5-diphenyloxazole fluorescence by nucleotides
KrishnaMurthy NV, et al.
Journal of Fluorescence, 18, 29-34 (2008)
Carmen Ka Man Chan et al.
Inorganic chemistry, 48(7), 2855-2864 (2009-03-12)
A series of luminescent platinum(II) alkynyl complexes containing 2,5-diphenyl-1,3,4-oxadiazole (oxa-2,5) and 10,15-dihydro-5H-diindeno[1,2-a;1',2'-c]fluorene (truxene) as the cores and different electron donors at the periphery has been synthesized and characterized. These complexes showed long-lived emissions in both solution and in the solid
Burkhard Schulz et al.
Advances in colloid and interface science, 116(1-3), 143-164 (2005-08-30)
Different aspects of the structure formation for a class of molecules containing the diphenyl-1,3,4-oxadiazole fragment are discussed. Starting from the bulk state with the ideal crystal lattice and the derivation of some common packing motifs the formation of liquid-crystalline states
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