Diethylene glycol, with the chemical formula C4H10O3, is a colorless, odorless, transparent, hygroscopic viscous liquid with a pungent sweet taste, non-corrosive, and low toxicity.

II. Scope of Application

● Primarily used as a gas dehydrating agent and an aromatic hydrocarbon extraction solvent.

● Also used as a solvent for nitrocellulose, resins, oils, printing inks, etc., as a softening and finishing agent for textiles, and for extracting coumarone and indene from coal tar.

● Used as a brake fluid additive, celluloid softener, antifreeze, and diluent in emulsion polymerization, among other applications.