This product is a Lipophilic emulsifier, can enhance the solubility of some substances in organic solvents, can be used to make w/o emulsion emulsifier. It can also be used as an effective component of oil agent for synthetic fiber industry. It can be used as solubilizer and water defoamer in other industries. The basic raw material for the preparation of Surfactant, which is also a Lipophilic emulsifier, is one of the important monomers of synthetic fiber, and is also used in other industries as a solubilizer and defoamer component.