Bromo Cresol Green

BROMOCRESOL GREENIndicator pH 3.8-5.4                  CAS-No. 76-60-8              Chemical FormulaC21H14Br 4O5SMolecular Weight698.04Transition RangepH3.8~pH5.4 yellowish green to blueMaximum absorbtion wave length, nmL1 (pH3.8)          440~445L2 (pH5.4)          615~618 Absorption rate of quality, L/cm.gA1(L1,pH3.8 dry basis)24~28A2(L2,pH5.4 dry basis)53~58Sulfated ash<0.25%Solution Clarity (Ethanol)   PassLoss on drying< 3.0%