What is Ethyl Di Glycol?

Ethyl di glycol (also known as EDG, 2-(2-ethoxyethoxyethanol, ethoxy diglycol and diethylene glycol monoethylether) is a clear, colourless liquid with a mild, yet characteristic odour.  It is miscible in water and also in alcohols, esters, ethers, and ketones.

Ethyl Di Glycol

How is it produced?

Ethyl di glycol is a product of the reaction of ethylene oxide and ethanol in the presence of a catalyst.  The final product is refined by distillation where the unreacted alcohol, and the mono and di ether products, are separated.

How is it stored and distributed?

Ethyl di glycol can be stored and transported in mild steel drums or polyethylene, or polypropylene, storage drums.  It is not classified as dangerous for any form of transport but it is classed as an Irritant.  It has a flash point of 96 °C (closed cup) and a specific gravity of 0.990.

What is Ethyl Di Glycol used for?

Ethyl di glycol has low viscosity at low temperatures and it is this quality, combined with a low solidification point, which see it employed as a constituent part of many brake fluids.  It is also widely used in the paint industry where it is used to improve the gloss and flow properties of paint.  It is also a constituent of many wood stains and wood preservatives.

Ethyl di glycol also has a variety of roles in other industries.  In the printing industry it is used both in printing inks and as a cleaning agent in offset printing.  It is an ingredient in Indian inks and also in ballpoint pen pastes.  In the textile industry, it is a solvent used in the printing and dyeing of textile fabrics and fibres.  It can also be used in the production and formulation of pesticides.

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