Tetraphenyl butadiene

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Tetraphenyl butadiene
Tetraphenyl butadiene.svg
IUPAC name
Other names
ECHA InfoCard 100.014.468
EC Number CY9040630
Molar mass 166.31 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]
Safety data sheet Sigma-Aldrich
R-phrases (outdated) R36/37/38
S-phrases (outdated) S26 S36
NFPA 704
Flammability code 0: Will not burn. E.g., waterHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
Flash point 289 °C (552 °F; 562 K)
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

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,[2] which makes it useful as a wavelength shifter.[3][4]


  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 3–526. ISBN 0-8493-0594-2. 
  2. ^ Burton, W. M; Powell, B. A (1973). "Fluorescence of Tetraphenyl-Butadiene in the Vacuum Ultraviolet". Applied Optics. 12 (1): 87–9. doi:10.1364/AO.12.000087. PMID 20125234. .
  3. ^ 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. 
  4. ^ Wernick, Miles N.; John N. Aarsvold (2004). Emission Tomography. Academic Press. p. 374. ISBN 978-0-12-744482-6. Retrieved 2009-06-02.