1,1,4,4-Tetraphenylbutadiene

Tetraphenyl butadiene
Names
	Preferred IUPAC name 1,1â²,1â²â²,1â²â²â²-(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 gÂ·molâ1
Appearance	White to yellow white needles
Density	1.079 g/cm3
Melting point	203.5 Â°C (398.3 Â°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 Â°C (552 Â°F; 562 K)
Safety data sheet (SDS)	Sigma-Aldrich
	Except where otherwise noted, data are given for materials in their standard state (at 25 Â°C [77 Â°F], 100 kPa). verify (what is ?) Infobox references

1,1,4,4-tetraphenylbutadiene (TPB) is an organic compound with the formula (C₆H₅)₂C=CHCH=C(C₆H₅)₂. Other isomers are possible, but the term usually refers to the derivative of butadiene with two phenyl group on each of the terminal carbon atoms It is a white solid that has attracted some attention as an electroluminescent dye.^[3]