Diethylene glycol appears as a colorless liquid. Denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals.Diethylene glycol is a hydroxyether.

1. Mainly used as a gas dehydrating agent and aromatic hydrocarbon extraction solvent. Also used as a solvent for nitrocellulose, resins, oils, printing inks, etc., as a softener and finishing agent for textiles, and for the extraction of coumarone and indene from coal tar.In addition, diethylene glycol is also used as a brake fluid component, celluloid softener, antifreeze, and diluent for emulsion polymerization.It is also used in the production of plasticizers for rubber and resins, polyester resins, fiberglass, urethane foams, lubricating oil viscosity modifiers, and other products. 

2. Used in the synthesis of unsaturated polyester resins, plasticizers, etc.Also used as antifreeze, gas dehydrating agent, plasticizer, solvent, aromatic hydrocarbon extractant, cigarette humectant, textile lubricant and finishing agent, anti-drying agent for pastes and various adhesives, moisture-absorbing solvent for vat dyes, etc.It is a common solvent for oils, resins, nitrocellulose, etc.