... Guaiacol, cas no:90-05-1,1-hydroxy 2- methoxybenzene,colorless or yellow crystal or liquid, widely used on pharmaceutical Guaiacol(99%TC),1-hydroxy 2 ... with special fragrance, slightly dissolved in water and benzene, easily dissolved in glycerine. Application:1. In agrochemical: used in the synthesis ... or as your demands. Guaiacol(99%TC), Vanillin material, Cas no:90-05-1,1-hydroxy 2- methoxybenzene