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12-クラウン-4

12-クラウン-4
12-Crown-4
12-Crown-4 molecule{{{画像alt1}}}
識別情報
CAS登録番号 294-93-9
ChemSpider 8912
日化辞番号 J66.351D
ChEBI
特性
化学式 C8H16O4
モル質量 176.21
外観 無色の液体[1]
匂い 無臭[1]
密度 1.089 g/mL at 25 deg C
融点

16 ℃

沸点

68-70 ℃/0.5 mm Hg

への溶解度 混和[1]
有機溶媒への溶解度 トルエンクロロホルムジクロロエタンに可溶[1]
危険性
引火点 113 ℃
半数致死量 LD50 2830 mg/kg(ラット、経口)
4530 μL/kg(ラット、経皮)[1]
特記なき場合、データは常温 (25 °C)・常圧 (100 kPa) におけるものである。

12-クラウン-4: 12-Crown-4)は、クラウンエーテルの一種。化学式はC8H16O4で表される。酸触媒下でエチレンオキシド四量化することで生成する[2]

リチウム+イオンと特異的に錯体を形成する。

Ball-and-stick model of the bis(12-crown-4)lithium cation

日本の消防法では、危険物第4類第3石油類(水溶性)に区分される[1]

関連項目

O3:
9-クラウン-3
クラウンエーテル O5:
15-クラウン-5

脚注

  1. ^ a b c d e f 製品安全データシート東京化成工業
  2. ^ 『化合物辞典』p725

参考文献

  • 高本進、稲本直樹、中原勝儼、山崎昶『化合物辞典』(初版)朝倉書店、1997年11月20日。ISBN 4-254-14043-6 
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