Diethylene Glycol

Diethylene glycol (DEG) is employed as a comonomer during the synthesis of poly (ethylene terephthalate) (PET). It undergoes oxidation on treatment with nitric acid. Its toxicity has been assessed. The ozonation and modified Fenton oxidation of DEG have been investigated.

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Description

Diethylene glycol (Dihyroxy diethyl ether) is a colourless, virtually odourless, viscous liquid. Compared to MEG, it has a higher boiling point, viscosity and specific gravity. DEG is characterised by great solvent power, extreme hygroscopicity and low vapour loss.

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