It is used for phenolic resin, electrical insulation paint, Trimethylphenol phosphate, dye, surfactant, flotation agent, lubricating oil additive, enamel solvent, preservative, cold proof plastic plasticizer, cracking dispersant and solvent in the production of sebacic acid. Cresol has four times the bactericidal power of phenol. Usually, soap water is added to the mixed cresol to emulsify, which is the disinfectant Lysol. The separation of O, m and p-cresol from mixed cresol, including the mixture of m-p-cresol, is widely used in organic synthesis.