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[Chemical Knowledge]：Properties and Uses of Ethylene Oxide

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Ethylene oxide is an important organic compound, which is widely used in the field of chemical production raw materials. This article will detail the properties and uses of ethylene oxide.

1. the nature of ethylene oxide

ethylene oxide is a colorless, flammable, toxic gas with a pungent odor. Its molecular formula is C2H4O and the structural formula is CH2CH2O, in which the oxygen atom and two carbon atoms form a three-membered ring, hence the name ethylene oxide. The boiling point of ethylene oxide is 10.4 ° C, the melting point is -112.2 ° C, the density is larger than air, slightly soluble in water, soluble in organic solvents.

ethylene oxide has high reactivity and can react with many compounds such as addition, substitution and polymerization. Its three-element ring structure makes it have a high tension, so it is easy to open the ring reaction. At the same time, ethylene oxide is also oxidizing and corrosive, which can cause corrosion of metal materials.

2. the use of ethylene oxide

ethylene oxide in the field of chemical production raw materials has a wide range of uses, mainly for the production of ethylene glycol, ethanolamine, glyoxal, oxalic acid and other chemicals.

1. Production of ethylene glycol
ethylene glycol is an important chemical raw material, widely used in the production of polyester fiber, antifreeze, unsaturated polyester resin and other products. Ethylene oxide reacts with water to produce ethylene glycol, which is the main method of industrial production of ethylene glycol.

2. Production of ethanolamine Ethanolamine
is an organic amine compound, widely used in petrochemical, pharmaceutical, pesticide and other fields. Ethylene oxide reacts with ammonia to produce ethanolamine, which is the main method for industrial production of ethanolamine.

3. Production of glyoxal
Glyoxal is an organic compound used in the production of plastics, fibers, dyes and other products. Ethylene oxide reacts with formaldehyde to form glyoxal, which is a method of industrial production of glyoxal.

4. production of oxalic acid
oxalic acid, also known as oxalic acid, is an organic acid, widely used in pharmaceutical, chemical, printing and dyeing industries. Ethylene oxide reacts with carbon dioxide to form oxalic acid, which is a method of industrial production of oxalic acid.

In conclusion, ethylene oxide, as an important organic compound, has a wide range of uses in the field of chemical production raw materials.

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