resorcinol cas no 108-46-3

Resorcinol is an important organic synthetic raw material, mainly used in rubber adhesives, analytical reagents, preservatives and drugs, dyes, synthetic resins and other raw materials, such as eosin is an important triphenylmethane dye, dyeing bright red, mainly used to dye silk Chemicalbook, It is prepared by co-heating of resorcinol and Phthalic Anhydride in the presence of zinc chloride or concentrated sulfuric acid to obtain the intermediate fluorescent yellow, and then tetrabrominated. Eosin is commonly used to make red ink and as a stain for microscopic examination of biological materials.