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Preparation of Diethylene glycol

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Preparation of Diethylene glycol

Post  gill on Thu Nov 25, 2010 10:39 pm


Diethylene glycol (DEG) is an organic compound with the formula (HOCH2CH2)2O. It is a colorless, practically odorless, poisonous, viscous, and hygroscopic liquid with a sweetish taste.
Diethylene glycol is produced by the partial hydrolysis of ethylene oxide. Depending on the conditions, varying amounts of Diethylene glycol 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 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."


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Re: Preparation of Diethylene glycol

Post  jyoti on Thu Dec 02, 2010 2:08 am

Glycol in organic chemistry are characterized by having two hydroxyl group i.e. -OH groups are attached. So the general formula is CnH2n(OH)2. It is used in the production of unsaturated polyester resins.

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