Exaxol m-Cresol Purple 0.04% w/v Aqueous Indicator

m-Cresol Purple 0.04% w/v Aqueous Indicator by Exaxol, catalog numbers C10882-100 and C10882-500, is a 0.04% w/v m-cresol purple indicator solution in water, changing from red to yellow at pH 1.2–2.8 and yellow to purple at pH 7.4–9.0. Available in 100 mL and 500 mL from MBP, a registered vendor to many research institutes across the USA.