D4630
2,5-Diphenyloxazole
suitable for liquid scintillation spectrometry
Synonym(s):
DPO, PPO
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About This Item
Empirical Formula (Hill Notation):
C15H11NO
CAS Number:
Molecular Weight:
221.25
Beilstein:
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.
related product
Product No.
Description
Pricing
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
386.6 - 393.8 °F - closed cup
Flash Point(C)
197 - 201 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Wavelength dependant quenching of 2, 5-diphenyloxazole fluorescence by nucleotides
KrishnaMurthy NV, et al.
Journal of Fluorescence, 18, 29-34 (2008)
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)
Study of new luminophores for use in modern scintillation cocktails
Janda J, et al.
Journal of Luminescence, 201, 390-396 (2018)
Water-binding solid scintillators: synthesis, emission properties, and tests in 3H and 14C counting.
H J Meyer et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 6(15), 2809-2817 (2000-09-14)
Spectral and time-resolved fluorescence properties as well as relative fluorescence quantum yields of carbodiimide derivatives of 2.5-diphenyloxazole (PPO) (prepared by H2S elimination from the corresponding thioureas), of some intermediates in the preparation, and of several other PPO derivatives were investigated
Olivier Braem et al.
Physical chemistry chemical physics : PCCP, 14(10), 3513-3519 (2012-02-07)
We present a femtosecond broad-band fluorescence up-conversion study of the vibrational relaxation dynamics of two UV chromophores, 2,5-diphenyloxazole (PPO) and para-terphenyl (pTP), pumped with a large excess of vibrational energy (>2000 cm(-1)). The band narrowing of the transient fluorescence spectrum
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