Chromotropic acid disodium salt dihydrate may be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.
C 2285 (OTTO) Chromotropic acid disodium salt, 98% Cas 5808-22-0 - used for as a reagent in the quantitative determination of the systemic herbicide, 2,4-Dichlorophenoxyacetic acid.