Exaxol Methyl Orange 1% w/v Aqueous Indicator

Methyl Orange 1% w/v Aqueous Indicator by Exaxol, catalog numbers M50531-100, M50531-500, and M50531-1, is a 1% 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.