Product Description: Sodium diphenylamine-4-sulfonate is a oxidation-reduction titration indicator. Sodium diphenylamine-4-sulfonate shows a colourless reduced form and a red-violet oxidized form[1].
Formula: C12H10NNaO3S
References: [1]Silva A, et al. Ecotoxicological evaluation of chemical indicator substances present as micropollutants in laboratory wastewaters. Global NEST Journal, 19 (1): 94-99.