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Ethylene glycol

This entry was edited and reviewed by the School of Chemical Sciences, University of Chinese Academy of Sciences , and certified by Popular Science China·Science Encyclopedia. Ethylene glycol is also known as glycol and 1,2-ethylene glycol, referred to as EG. The chemical formula is (CH 2 OH) 2 and it is the simplest glycol . Ethylene glycol is a colorless, odorless, sweet liquid with low toxicity to animals. Ethylene glycol is miscible with water and acetone , but its solubility in ethers is small. Used as solvent, antifreeze and raw material for synthetic polyester. Polyethylene glycol (PEG), a polymer of ethylene glycol , is a phase transfer catalyst and is also used in cell fusion ; its nitrate ester is an explosive. physical properties Appearance: Colorless transparent viscous liquid Melting point: -13 °C (lit.) Molecular weight: 66.092 Boiling point: 195-198 °C Glass transition temperature: -120 °C Vapor pressure: 0.08 mmHg ...

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Ethylene glycol