As an important chemical raw material, it is mainly used to prepare the phthalate esters and aliphatic dibasic ester plasticizers, such as the dioctyl phthalate, dioctyl azelate and dioctyl sebacate, etc. Moreover, it is used as a primary plasticizer and cold-resistant auxiliary plasticizer for plastics, defoamer, dispersant, ore-dressing agent and petroleum additive, as well as for printing and dyeing, paint, film, etc.; octanol is also used to produce extractants and stabilizers and as an intermediate for solvents and spices. As a spice, it is also used for blending rose, lily and other floral perfume, and soap perfume.