Colorless or light yellow oily liquid. The freezing point is -6.5ºC, the boiling point 944.8ºC, the relative density is 1.1164 (20/4ºC), the refractive index is 1.4475, and the flash point is 143ºC. It can be miscible with ethanol, ether, acetone and ethylene glycol, insoluble in benzene and carbon tetrachloride, soluble in water. Spicy and slightly sweet, hygroscopic.
1. Mainly used as gas dehydrating agent and aromatic extraction solvent. It is also used as a solvent for cellulose nitrate, resin, grease, printing ink, textile softener, finishing agent, and extraction of coumarone and indene from coal tar. In addition, diethylene glycol is also used as a brake oil compound, celluloid softener, antifreeze and diluent in emulsion polymerization. Also used for rubber and resin plasticizers; Polyester resin; Fiberglass; Urethane foam; Production of lubricant viscosity improvers and other products. Used as synthetic unsaturated polyester resin.
2. Used as synthetic unsaturated polyester resin, plasticizer, etc. It is also used for antifreeze, gas dehydrating agent, plasticizer, solvent, aromatics extraction agent, cigarette moisture absorption agent, textile lubricant and finishing agent, paste and various kinds of glue anti-drying agent, VAT dye moisture absorption aid solvent and so on. It is a common solvent for oils, resins, nitrocellulose, etc.
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