Tags: Chemical Compound, Chemical Substance.
Pyranine is a hydrophilic pH-sensitive fluorescent dye from the group of chemicals known as arylsulfonates. Pyranine is soluble in water and has applications as a coloring agent biological stain optical detecting reagent and a pH indicator. One example would be the measurement of intracellular pH. Pyranine is also found in highlighters and soaps.
