Lab Chemical Product code: RXSOL-19-1491-500 Bromocresol green AR Request a Quote Email Us Application Bromocresol green AR pH Indicator C 21 H 14Br4O 5S m.w.698.04 pH transition range pH 3.8 -5.4 Yellowish green-Blue Loss on drying (110oc) < 3% Glass Bottle Pkg.5gm. Dosage