Diethylene glycol is an organic compound with the chemical formula (HOCH2CH2) 2O. DEG is a colorless, odorless, toxic, hygroscopic liquid with a sweet taste. Diethylene glycol is soluble in water, alcohol, ether, acetone and ethylene glycol. This compound is widely used as an industrial solvent like its peers DEG is generally prepared from the partial hydrolysis of ethylene oxide, depending on the situation, different amounts of diethylene glycol or even other types of glycol family may be produced. Diethylene glycol is the product of two ethylene's bonded together by an ether bond. Its structural image is as follows :
Diethylene glycol is obtained as a joint product with monoethylene glycol triethylene glycol. In this industry, the main goal is to maximize the production of monoethylene glycol because on the one hand monoethylene glycol has a higher value than other families and on the other hand the demand for DEG is due to the market demand for monoethylene glycol derivatives.
Applications of diethylene glycol
Diethylene glycol (DEG) used directly in production of : polyester resins, polyunsaturated and unsaturated plasticizers, as well as structural blocks of some organic syntheses such as morphine and 1 and 4 dioxane. Other major applications of this substance are used as solvents for some substances such as nitrocellulose's, resins, dyes, oils and other organic compounds. It also dilutes tobacco, cork, printing ink. There is also glueOther uses for DEG include lubricants, cooking fuels, wallpaper strips and brake fluid. It is also used in personal care products such as skin creams and lotions, deodorants. Diluted solutions of this solution are used as preservatives. Ethylene glycol antifreeze also contains a low percentage of diethylene glycol
How we can use DEG in safety
One of the characteristics of diethylene glycol is its toxicity. DEG toxicity was first discovered in 1937, but the information available on humans is limited and insufficient. Some researchers discharge the maximum toxic dose for this substance 0.14 mg / kg body weight and on the other hand between 1 to 1.63 g. Due to this, companies and pharmaceutical companies and suitable food use this substance in your products and process.Even some countries have strict rules on the use of this substance, the federal government on the use of diethylene glycol as a precursor to the production of polyethylene glycol, which is used in the food industry, less than 0.2% on the agenda Has set.
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