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Diethylene glycol (DEG) is an organic compound with the formula (HOCH 2 CH 2) 2 O. It is a colorless, practically odorless, and hygroscopic liquid with a sweetish taste. It is a four carbon dimer of ethylene glycol. It is miscible in water, alcohol, ether, acetone, and ethylene glycol. [3] DEG is a widely used solvent. [4]
Glycol ethers are designated "E-series" or "P-series" for those made from ethylene oxide or propylene oxide, respectively.Typically, E-series glycol ethers are found in pharmaceuticals, sunscreens, cosmetics, inks, dyes and water-based paints, while P-series glycol ethers are used in degreasers, cleaners, aerosol paints and adhesives.
Both ethanol and methanol have low flash points, 11–17 °C, making them highly flammable; diethylene glycol, with a flash point of 154 °C, is considered safer because spilled DEG fuel will not combust; it needs a wick to burn. The fuel is in a liquid form and thus the canister in which it is contained usually differs by having a more leak ...
The major byproducts are the oligomers diethylene glycol, triethylene glycol, and tetraethylene glycol. The separation of these oligomers and water is energy-intensive. World production of ethylene glycol was ~20 Mt in 2010. [9] A higher selectivity is achieved by the use of Shell's OMEGA process.
Glycol dehydration is a liquid desiccant system for the removal of water from natural gas and natural gas liquids (NGL). It is the most common and economical means of water removal from these streams. [1] Glycols typically seen in industry include triethylene glycol (TEG), diethylene glycol (DEG), ethylene glycol (MEG), and tetraethylene glycol ...
The cough syrup in question was produced by Maiden Pharmaceuticals, and it has been implicated in child deaths in Gambia. Tests conducted by two independent laboratories on behalf of the WHO confirmed the presence of lethal toxins—ethylene glycol and diethylene glycol in the syrup. Indian authorities, however, did not find any toxins, but did ...
The 1985 Austrian diethylene glycol wine scandal (German: Glykolwein-Skandal) was an incident in which several Austrian wineries illegally adulterated their wines using the toxic substance diethylene glycol (a minor ingredient in some brands of antifreeze) to make the wines taste sweeter and more full-bodied in the style of late harvest wines. [1]
Antifreeze products for automotive use containing propylene glycol in place of ethylene glycol are available, and are generally considered safer to use, as it possesses an unpleasant taste in contrast to the perceived "sweet" taste of toxic ethylene glycol-based coolants, and produces only lactic acid in an animal's body, as their muscles do ...
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