Aziridine

Japanese: アジリジン

It is also called ethylenimine and azacyclopropane. It is a colorless, transparent liquid with an ammonia-like odor. Its boiling point is 55-56°C, and its specific gravity is 0.8371 (20°C). It is highly toxic and causes severe damage to the human body when it comes into contact with the skin or mucous membranes, or when it is inhaled or comes into oral contact. It is also flammable and explosive. It is synthesized by reacting β-aminoethyl sulfate with sodium hydroxide. In addition to exhibiting properties as a secondary amine, it also undergoes ring-opening reactions to form a three-membered ring compound.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

エチレンイミンethylenimin，アザシクロプロパンazacyclopropaneとも呼ばれる。アンモニアのようなにおいのする無色透明の液体。沸点55～56℃，比重0.8371(20℃)。非常に強い毒性をもち，皮膚や粘膜との接触，吸入，経口接触のいずれの場合にも，人体に対して激しい障害を起こす。また引火性，爆発性もある。β‐アミノエチル硫酸に水酸化ナトリウムを作用させて合成する。第二アミンとしての性質を示すほかに，3員環化合物として開環反応を行う。

出典　株式会社平凡社世界大百科事典第２版について　情報

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