Quick view View Item Bromothymol blue, 5G Bromothymol blue indicator ACS,Reag. Ph Eur Synonym(s): Bromothymol blue, 3′,3′′-Dibromothymolsulfonphthalein, BTB Empirical Formula (Hill Notation): C27H28Br2O5S CAS Number: 76-59-5 Molecular Weight: 624... Weight: 2.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: