Bromophenol blue (3',3",5',5"-tetrabromophenolsulfonphthalein, BPB, albutest) is used as an acid-base indicator, a color marker and a dye. It can be prepared by slowly adding excess bromine to a hot solution of phenolsulfonphthalein in glacial acetic acid.
Read more about Bromophenol Blue: Acid-base Indicator, Color Marker, Dye
Famous quotes containing the word blue:
“The Reverend Samuel Peters ... exaggerated the Blue Laws, but they did include “Capital Lawes” providing a death penalty for any child over sixteen who was found guilty of cursing or striking his natural parents; a death penalty for an incorrigible son; a law forbidding smoking except in a room in a private house; another law declaring smoking illegal except on a journey five miles away from home,...”
—Administration for the State of Con, U.S. public relief program (1935-1943)