Chromotrope 2B by Research Lab Fine Chem Industries is a high grade reagent. Also known as Acid red 176, this is an organosulphur compound. The reagent is available as a red powder which is soluble in water. While it is stable under general conditions, this reagent is incompatible with strong oxidizing agents. CAS No.: 548-80-1 Quantity Provided: 5 gm per bottle Molecular formula: C16H9N3Na2O10S2 Molecular weight: 513.37 Assay: Minimum 99 % Chromotrope 2B has a variety of applications in chemical and biological sectors. This reagent finds applications in the organic synthesis of various derivatives. Chromotrope 2B is generally used for the determination of boric acid, borates, germanium, cobalt, nickel, copper and rare earth metals. This reagent is suitable for industrial synthesis of products and research applications.