THYMOLPHTHALEIN INDICATOR AR (pH 9.3-10.5 Colourless to Blue) THYMOLPHTHALEIN INDICATOR AR (pH 9.3-10.5 Colourless to Blue) THYMOLPHTHALEIN INDICATOR AR (pH 9.3-10.5 Colourless to Blue) CAS No: 125-20-2 Enquire Now Download Brochure ← Back to Products