Product : Bromothymol Blue C.A.S. No. :76-59-5 M.F. : C27H28Br2O5S M.W. : 624.40gm/mole Specifications: Dye Content (by Spectrophotometry) >95% Transition Range pH 5.8-7.6 Yellow-Blue Solubility 0.1% (95% EtOH) Clear solution Absorption maximum (pH 5.8) 1max 430-435nm Absorption maximum (pH 7.6) 2max 615-618nm Absorptivity (A1%/1cm at pH 5.8 at 1max) 260-300 Absorptivity (A1%/1cm at pH 7.6 at 2max) 470-520 Loss On Drying (110C)
