HomeBROMOTHYMOL BLUE INDICATOR 0.04% SOLUTION BROMOTHYMOL BLUE INDICATOR 0.04% SOLUTION Product Code B-00517 BRAND Bio-Chem Grade CAS No 76-59-5 Molecular Formula C27H28Br2O5S Molecular Weight 624.38 H.S.Code 3822.00900 Shelf Life 36 Months Purity 99 % COAs MSDS Physical Properties Physical state at 20 °C Liquid Colour Dark bluish to brown green Packaging Specification AppearanceA dark bluish/brown green colored solutionpH transition (6.0-7.6)Yellow to blue Safety Information and Hazard Symbols Symbol: GHS07 ,GHS08Signal Word: Warning