Tetraphenyl butadiene

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]

Tetraphenyl butadiene
Names
Preferred IUPAC name
1,1′,1′′,1′′′-(Buta-1,3-diene-1,1,4,4-tetrayl)tetrabenzene
Other names
TPB
Identifiers
ChemSpider
ECHA InfoCard 100.014.468
EC Number
  • CY9040630
UNII
  • 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 checkY
    Key: KLCLIOISYBHYDZ-UHFFFAOYSA-N checkY
Properties
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[1]
Hazards
GHS labelling:[2]
GHS07: Exclamation mark
Warning
H315, H319, H335
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)
NFPA 704 four-colored 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).
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Infobox references

References
  1. 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.
  2. "1,1,4,4-Tetraphenyl-1,3-butadiene". pubchem.ncbi.nlm.nih.gov. Retrieved 12 December 2021.
  3. 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..
  4. 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.
  5. 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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