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
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
202-181-3
Beilstein/REAXYS Number:
157021
MDL number:
Form:
powder
form
powder
Quality Segment
bp
360 °C (lit.)
mp
72-74 °C (lit.)
suitability
suitable for liquid scintillation spectrometry
functional group
phenyl
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
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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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
386.6 - 393.8 °F - closed cup
flash_point_c
197 - 201 °C - closed cup
ppe
Eyeshields, Gloves, type N95 (US)
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