Bromthymol blue sodium34722-90-2100 % similar Bromothymol blue76-59-582 % similar Bromocresol green76-60-862 % similar Methylthymol blue1945-77-358 % similar Thymol blue sodium salt62625-21-255 % similar Bromophenol blue sodium salt33551-92-752 % similar Thymol blue76-61-952 % similar Bromocresol purple sodium62625-30-351 % similar Phenol, 4,4′-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methyl-, sodium salt (1:1)62625-32-547 % similar Eriochrome cyanine R3564-18-945 % similar Bromocresol purple115-40-243 % similar Bromopyrogallol red16574-43-943 % similar Bromophenol blue115-39-943 % similar Cresol red sodium62625-29-042 % similar Bromochlorophenol blue2553-71-141 % similar Iodophenol blue4430-24-441 % similar Phenol red sodium34487-61-141 % similar Xylenol blue125-31-540 % similar Metacresol purple2303-01-740 % similar Xylenol orange tetrasodium salt3618-43-739 % similar