Guaiacol, cas no:90-05-1,1-hydroxy 2- methoxybenzene,colorless or yellow crystal or ... : used in the synthesis of sodium 5-nitroguaiacolate.2. In pharmaceutical: used in the synthesis of anti ... in analgesics, local anesthetic, flavorings, biocides, antiseptics. 2-Methoxyphenol is used in manufacturing vanillin and other flavorings ... %TC), Vanillin material, Cas no:90-05-1,1-hydroxy 2- methoxybenzene