Diethylene glycol (DEG) is an organic compound with the formula (HOCH2CH2)2O. It is a colorless, practically odorless, poisonous, hygroscopic liquid with a sweetish taste. It is miscible in water, alcohol, ether, acetone, and ethylene glycol. DEG is a widely used solvent.
Diethylene glycol is similar in properties to MEG (mono ethylene glycol), but DEG has a higher boiling point, viscosity, and specific gravity. MEG is the raw material used in the production of polyester fiber, PET resins, alkyds, and unsaturated polyesters. Diethylene glycol is used in the manufacture of unsaturated polyester resins, polyurethanes and plasticizers. It is a water-soluble liquid; boiling point 245 C, and is soluble in many organic solvents.
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 and triethylene glycol.
TCC’s Diethylene Glycol is used as a dehydrating agent for natural gas; a raw material for the production of plasticizers and polyester resins; a humectant; a textile lubricant and coupling agent; a solvent in textile dyeing and printing; a constituent of hydraulic fluids; a plasticizer for paper, cork and synthetic sponges; a solvent in printing inks; a raw material for the production of esters used as emulsifiers, demulsifiers, and lubricants; and a selective solvent for aromatics in petroleum refining.
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TCC’s Diethylene Glycol (DEG) is a straight-chain dihydric alcohol which is aliphatic terminated on both ends by a hydroxyl group. It is a clear, water-white, practically odorless, hygroscopic liquid at room temperature. DEG is a water-soluble liquid with a boiling point of 245 C. It is also soluble in many organic solvents.
DEG is produced by the partial hydrolysis of ethylene oxide. It is derived as a co-product in the production of ethylene glycol.
Diethylene glycol is used as a dehydrating agent for natural gas, a raw material for the production of plasticizers and polyester resin, and a widely used solvent. It is also used as a humectant in the tobacco industry and in the treatment of corks, glue, paper and cellophane as well as in the synthesis of morpholine and 1,4-dioxane.
Availability of DEG depends on the demand for derivatives of the primary product, ethylene glycol, rather than on DEG market requirements.
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