It is employed as a pH indicator which is yellow at pH ? 6.0 and blue at pH ? 7.6. It finds its major application in lithium battery, textiles and antagonists.
Robert H. Byrne. Standardization of standard buffers by visible spectrometry.Anal. Chem.,1987,59(10), 1479-1481.
P.V. Rao.; J. Horwitz.; J.S. Zigler. α-Crystallin, a Molecular Chaperone, Forms a Stable Complex with Carbonic Anhydrase upon Heat Denaturation.Biochem. Biophys. Res. Commun.,1993,190(3), 786-793.
Acid-base indicator: pH 6.0 - 7.6.