Diethylene glycol (CAS 111-46-6)

Diethylene glycol (CAS 111-46-6)


Other names: 2,2′-Oxydi(ethan-1-ol), 2,2′-Oxybis(ethan-1-ol), 2-(2-Hydroxyethoxy)ethan-1-ol, Diethylene glycol, Ethylene diglycol, Diglycol, 2,2′-Oxybisethanol, 2,2′-Oxydiethanol, 3-Oxa-1,5-pentanediol, Dihydroxy diethyl ether

Diethylene glycol (DEG) is an organic compound with the formula (HOCH2CH2)2O. It is a colorless, practically odorless, poisonous, and hygroscopic liquid with a sweetish taste. It is miscible in wateralcoholetheracetone, and ethylene glycol.DEG is a widely used solvent. It can be a contaminant in consumer products; this has resulted in numerous epidemics of poisoning since the early 20th century.

CAS 111-46-6

Diethylene glycol specification (TDS)

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0,5 lit metal bottle
5 lit plastic can
10 lit plastic can
20 lit metal can UN
25 lit plastic can
200 L (without container cost)
500 L (without container cost)
1000 L (without container cost)


DEG is produced by the partial hydrolysis of ethylene oxide. Depending on the conditions, varying amounts of DEG and related glycols are produced. The resulting product is two ethylene glycol molecules joined by an ether bond.

“Diethylene glycol is derived as a co-product with ethylene glycol (MEG) and triethylene glycol. The industry generally operates to maximize MEG production. Ethylene glycol is by far the largest volume of the glycol products in a variety of applications. Availability of DEG will depend on demand for derivatives of the primary product, ethylene glycol, rather than on DEG market requirements.”