Diethylene glycol monobutyl ether is a colorless liquid with a mild pleasant odor. Mixes with water. (USCG, 1999)

Due to its high boiling point and low evaporation rate, it can be used as a solvent for paints, inks, resins, etc. It can dissolve oils, dyes, resins, nitrocellulose, etc., and is also used in organic synthesis.It is mainly used as a solvent in coatings, dyes, resins and other fields, and also as an intermediate for plasticizers and a diluent for hydraulic brake fluids.