2,5-Diphenyloxazole

2,5-Diphenyloxazole
Names
	Preferred IUPAC name 2,5-Diphenyl-1,3-oxazole
	Other names PPO, DPO, POP
Identifiers
CAS Number	92-71-7 ;
ChemSpider	6838 ;
ECHA InfoCard	100.001.984
EC Number	202-181-3;
PubChem CID	7105;
UNII	2P8A647RYF ;
CompTox Dashboard (EPA)	DTXSID7059060 ;
Properties
Chemical formula	C15H11NO
Molar mass	221.259 g·mol−1
Appearance	greenish powder
Density	1.094 g/cm3 (100 °C)
Melting point	71 °C (160 °F; 344 K)
Boiling point	360 °C (680 °F; 633 K)
Refractive index (nD)	1.6231 (100 °C)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

2,5-Diphenyloxazole (PPO) is an organic scintillator.^[2] It is used as a wavelength shifter (also called a "primary shifter" or "fluor"), which means that it converts shorter wavelength light to longer wavelength light. Its output spectrum peaks at 385 nm, which is in the range of UV light.

References

1 2 3 4 Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 3.232. ISBN 9781498754293.
↑ Bertrand, Guillaume H. V.; Hamel, Matthieu; Sguerra, Fabien (2014). "Current Status on Plastic Scintillators Modifications". Chemistry - A European Journal. 20 (48): 15660–15685. doi:10.1002/chem.201404093. PMID 25335882.

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[crc-1] 1 2 3 4 Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 3.232. ISBN 9781498754293.

[2] Bertrand, Guillaume H. V.; Hamel, Matthieu; Sguerra, Fabien (2014). "Current Status on Plastic Scintillators Modifications". Chemistry - A European Journal. 20 (48): 15660–15685. doi:10.1002/chem.201404093. PMID 25335882.

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