Exaxol Phenol Red 0.04% w/v Aqueous Indicator

Phenol Red 0.04% w/v Aqueous Indicator by Exaxol, catalog numbers P61661-100 and P61661-500, is a 0.04% w/v phenol red indicator solution in water, changing from yellow at pH 6.8 to red at 8.2. Available in 100 mL and 500 mL from MBP, a registered vendor to many research institutes across the USA.