Tetraphenyl butadiene (1,1,4,4-tetraphenyl-1,3-butadiene or TPB) is an organic chemical compound.
T 1529 (OTTOKEMI) 1,1,4,4-Tetraphenyl-1,3-butadiene, ≥99% Cas 1450-63-1 - used as an electroluminescent dye, which glows blue with an electroluminescent dye.