Exaxol Thymolphthalein 0.05% w/v Indicator in Ethanol

Thymolphthalein 0.05% w/v Indicator in Ethanol by Exaxol, catalog numbers T7021-100 and T7021-500, is a 0.05% w/v thymolphthalein indicator in ethanol that turns from colorless to blue between about pH 9.3 and 10.5. Available in 100 mL and 500 mL from MBP, a registered vendor to many research institutes across the USA.