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Bromophenol blue is used as a tracking dye in electrophoresis, as a color marker in gel electrophoresis and polyacrylamide gel electrophoresis. As a biological stain, it plays an important role to stain proteins and nucleic acids. It acts an intermediate and an acid-base indicator in the pH range 3.0 to 4.6.
Guli, M.; Li, M.; Hu, Z.; Yao, J.; Mann, S. Fabrication of photoluminescent hybrid protein crystals of lysozyme and bromophenol blue. J. Mater. Sci. 2015, 50 (21), 7026-7030.
Saydjari, A.; Pietron, J. J.; Simpkins, B. S. Electrochemical Deposition and Spectroelectrochemical Response of Bromophenol Blue Films on Gold. Electroanalysis 2015, 27 (8), 1960-1967.
Hazard Statements: H500
May form combustible dust concentrations in air
Precautionary Statements: P210-P241
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Use explosion-proof electrical/ventilating/lighting/ equipment.