Mainly used as a dehydrating agent and gas extraction and solvent. Cellulose nitrate is also used as solvents, resins, oils, printing inks and textile softeners, finishing agents, and extraction from coal tar coumarone and indene and the like. For the preparation of plasticizers, also used as an extracting agent, desiccant, humectants, softeners and solvents diethylene glycol dehydration and aromatics extraction is mainly used for natural gas, used as an ink adhesion and textile dyes The solvent is also used in rubber plasticizers and resins, polyester resins, fiberglass, urethane foam, lubricating oil viscosity modifiers and the like products. Used as a dehydrating agent and the gas aromatics extraction solvent, also used as textile lubricants, softeners and finishing agents, and plasticizers, wetting agents, sizing agents, nitrocellulose, resins and oils and other solvents. Used as a solvent, a gas dehydrating agent, the extraction agent, water softener, gas chromatography fixed fluid for analysis solution, similar selective polyethylene glycol, for analyzing the oxygen content of the compound (especially alcohol), aniline, fatty amines, pyridine and quinoline.