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甲乙醚

甲乙醚
IUPAC名
methoxyethane
甲氧基乙烷
别名 methyl ethyl ether
ethyl methyl ether
甲基乙基醚
甲乙醚
识别
CAS号 540-67-0  checkY
PubChem 10903
ChemSpider 10441
SMILES
 
  • COCC
InChI
 
  • 1/C3H8O/c1-3-4-2/h3H2,1-2H3
InChIKey XOBKSJJDNFUZPF-UHFFFAOYAP
ChEBI 39832
性质
化学式 C3H8O
摩尔质量 60.1 g·mol−1
外观 无色气体[1]
密度 0.7251 g cm−3 (at 0 °C)[1]
熔点 -113 °C(160 K)
沸点 7.4 °C(281 K)
折光度n
D
1.3420 (at 4 °C)[1]
黏度 0.224 cP at 25 °C
危险性
MSDS External MSDS
主要危害 极易燃 (F+),
液化气
相关物质
相关 二甲醚
乙醚
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

甲乙醚(英語:ethyl methyl ether),或稱甲基乙基醚甲氧基乙烷(英語:methoxyethane),是一种结构简单的,分子式C3H8O,结构简式C2H5OCH3,和丙醇同分异构体。 甲乙醚是一种有药味的无色气体,吸入可引起窒息或头晕。作为路易斯碱,它可以与路易斯酸反应形成盐,与氧化剂发生剧烈反应。

合成

[编辑]

甲乙醚可由溴甲烷乙醇鈉(或其他的乙醇鹽)透過威廉姆遜合成反應製備而成,該反應由雙分子親核取代反應的機理而進行。

参考资料

[编辑]
  1. ^ 1.0 1.1 1.2 Haynes, William M. (2010). Handbook of Chemistry and Physics (91 ed.). Boca Raton, Florida: CRC Press. p. 3-248. ISBN 978-1439820773.
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甲乙醚
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