Refined from coking crude phenol, it is a mixture of two to six xylenol isomers, an oily liquid with a slightly yellow to brownish red in color. This product can separate and extract various monomeric xylenol isomers for the preparation of various chemicals. Without separation, it can be directly used to prepare phenolic resin, plasticizer, insulating paint, medicine, disinfectant, solvent, insecticide, fungicide, mineral flotation oil, lubricant, gasoline additive, wetting agent and dye, etc.