This product is a kind of plasticizer with strong dissolving power to many kinds of resin, can be compatible with many kinds of cellulose resin, rubber, vinyl resin. Good film - forming, adhesion and water - proofing. Usually with diethyl phthalate used in the production of cellulose acetate film, varnish, transparent paper and molding powder. A small amount is used in the production of nitrocellulose. The product can also be used as a plasticizer of nitrile rubber, the product has good cold resistance. Mix with other plasticizers. It can overcome the disadvantages of high volatility and low temperature crystallization. It can also be used as a deet oil (crude oil) and a solvent for DDT. It is also used as a gas chromatography fixative.