Exaxol Methyl Orange 0.2% w/v Aqueous Indicator

Methyl Orange 0.2% w/v Aqueous Indicator by Exaxol, catalog numbers M5053-100, M5053-500, and M5053-1, is a 0.2% w/v methyl orange indicator solution in water, changing from red at pH 3.1 to yellow at 4.4. Available in 100 mL, 500 mL, and 1 L from MBP, a registered vendor to many research institutes across the USA.