C 2 H 6 O 2 (62.07). HOCH 2 CH 2 OH. Also called 1,2-ethanediol. The simplest of the glycols. In the laboratory, 1,2-dibromoethane is hydrolyzed with a base. In industry, it is produced by hydrating ethylene oxide in the presence of a large excess of water without a catalyst. It is a colorless, viscous liquid with a sweet taste. Melting point -13.0 °C, boiling point 197.6 °C. 1.1088. 1.43178. Easily soluble in water, ethanol, and acetone, sparingly soluble in ether and benzene. Due to the presence of two hydroxyl groups, it is mainly used in the manufacture of polyester fibers and resins. Other uses include dynamite, cellophane, and antifreeze. [CAS 107-21-1] Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition |
C2H6O2(62.07).HOCH2CH2OH.1,2-エタンジオール(1,2-ethanediol)ともいう.グリコール類のもっとも簡単なもの.実験室的製法では,1,2-ジブロモエタンを塩基で加水分解する.工業的には,エチレンオキシドを無触媒で大過剰の水存在下での水和によって製造する.甘味をもつ無色の粘ちゅうな液体.融点-13.0 ℃,沸点197.6 ℃.1.1088.1.43178.水,エタノール,アセトンに易溶,エーテル,ベンゼンに難溶.二つのヒドロキシ基をもつので,おもにポリエステル繊維および樹脂の製造に用いられる.ほかにダイナマイト,セロハン,不凍液などの用途がある.[CAS 107-21-1] 出典 森北出版「化学辞典(第2版)」化学辞典 第2版について 情報 |
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