Tetraphenyl butadiene

Tetraphenyl butadiene
Names
	Preferred IUPAC name 1,1′,1′′,1′′′-(Buta-1,3-diene-1,1,4,4-tetrayl)tetrabenzene
	Other names TPB
Identifiers
CAS Number	1450-63-1 ;
ChemSpider	66678 ;
ECHA InfoCard	100.014.468
EC Number	CY9040630;
PubChem CID	74060;
UNII	3J9DS4FWS7 ;
CompTox Dashboard (EPA)	DTXSID4061701 ;
	InChI InChI=1S/C28H22/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-22H Key: KLCLIOISYBHYDZ-UHFFFAOYSA-N ;
Properties
Chemical formula	C28H22
Molar mass	358.484 g·mol−1
Appearance	White to yellow white needles
Density	1.079 g/cm3
Melting point	203.5 °C (398.3 °F; 476.6 K)
Solubility	soluble in ethanol, benzene, chloroform, acetic acid
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)	2 0 0
Flash point	289 °C (552 °F; 562 K)
Safety data sheet (SDS)	Sigma-Aldrich
	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

Tetraphenyl butadiene (1,1,4,4-tetraphenyl-1,3-butadiene or TPB) is an organic chemical compound used as an electroluminescent dye. It glows blue with an emission spectrum peak wavelength at 430 nm,^[3] which makes it useful as a wavelength shifter.^[4]^[5]

References edit

^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 3–526. ISBN 978-0-8493-0594-8.
^ "1,1,4,4-Tetraphenyl-1,3-butadiene". pubchem.ncbi.nlm.nih.gov. Retrieved 12 December 2021.
^ Burton, W. M; Powell, B. A (1973). "Fluorescence of Tetraphenyl-Butadiene in the Vacuum Ultraviolet". Applied Optics. 12 (1): 87–9. Bibcode:1973ApOpt..12...87B. doi:10.1364/AO.12.000087. PMID 20125234..
^ Wise, Donald Lee; Gary E. Wnek; Debra J. Trantolo; Thomas M. Cooper; Joseph D. Gresser (1998). Photonic Polymer Systems. CRC Press. p. 250. ISBN 978-0-8247-0152-9. Retrieved 2009-06-02.
^ Wernick, Miles N.; John N. Aarsvold (2004). Emission Tomography. Academic Press. p. 374. ISBN 978-0-12-744482-6. Retrieved 2009-06-02.

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