Xylenol orange by Research Lab Fine Chem Industries is a high grade reagent. This reagent is a tetrasodium salt which is used as an indicator. The reagent is available as a powder which is soluble in water. It has a melting point of 210 C. Xylenol orange appears red in the titrand and turns yellow once it reaches its endpoint. The compound is stable under general conditions, however, it is incompatible with strong oxidizing agents. It is moisture sensitive and must be stored carefully. CAS No.: 3618-43-7 Quantity Provided: 25 gm per bottle Molecular formula: C31H32N2O13S Molecular weight: 760.58 Assay: 90 % Analytical grade reagent Xylenol orange has a variety of applications in chemical and biological sectors. This indicator is majorly used as a photometric reagent and a metal indicator. It is a multipurpose indicator for EDTA titrations in acidic range. This reagent is suitable for industrial synthesis of products and research applications.