Bromophenol blue115-39-9100 % similar Bromocresol purple115-40-281 % similar Bromochlorophenol blue2553-71-181 % similar Bromophenol blue sodium salt33551-92-780 % similar Bromophenol red2800-80-876 % similar Bromopyrogallol red16574-43-970 % similar Iodophenol blue4430-24-467 % similar Bromocresol purple sodium62625-30-366 % similar Bromocresol green76-60-866 % similar Phenol red143-74-860 % similar Pyrocatechol violet115-41-359 % similar Chlorophenol red4430-20-057 % similar Tetrabromophenol blue4430-25-554 % similar Cresol red1733-12-654 % similar Tetrabromophenolphthalein76-62-052 % similar Bromothymol blue76-59-551 % similar Phenol red sodium34487-61-149 % similar Xylenol blue125-31-549 % similar Metacresol purple2303-01-749 % similar Xylenol orange1611-35-448 % similar