Chromotropic acid disodium salt by Research Lab Fine Chem Industries is a high grade reagent. This compound is also known as 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt. The reagent is available as a powder which is soluble in water. While it is stable under general conditions, this reagent is incompatible with strong oxidizing agents. CAS No.: 5808-22-0 Quantity Provided: 25 gm per bottle Molecular formula: C10H6Na2O8S2.2H2O Molecular weight: 400.29 Assay: Minimum 98.5 % Analytical grade reagentChromotropic acid disodium salt has a variety of applications in chemical and biological sectors. This reagent finds applications in the organic synthesis of various derivatives. Chromotropic acid disodium salt dihydrate can be used as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations. Chromotropic acid is employed for testing the presence of formaldehyde. It is additionally utilized in the quantitative determination of the systemic herbicide, 2,4-Dichlorophenoxyacetic acid. This reagent is suitable for industrial synthesis of products and research applications.