乙酸三乙銨

乙酸三乙銨
	IUPAC名; Triethylammonium acetate
別名	teaa，三乙胺乙酸鹽
識別
CAS號	5204-74-0
PubChem	165295
ChemSpider	144908
SMILES	O=C([O-])C.CC[N+H](CC)CC;
InChI	1/C6H15N.C2H4O2/c1-4-7(5-2)6-3;1-2(3)4/h4-6H2,1-3H3;1H3,(H,3,4);
InChIKey	AVBGNFCMKJOFIN-UHFFFAOYAA
性質
化學式	(CH3CH2)3NHOCOCH3
摩爾質量	161.24 g/mol g·mol⁻¹
熔點	-18 °C（255 K）
溶解性（水）	可溶
危險性
主要危害	Corrosive, harmful
	若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。

乙酸三乙銨是一種離子液體，化學式為(CH₃CH₂)₃NHOCOCH₃。它可由乙酸和三乙胺在70~80 °C反應，反應結束後在5 mmHg下於80 °C乾燥至恆重得到。^[1]它在−93 °C發生玻璃態轉變，在−18 °C熔化。^[2]它和二甲基氯鋶鹽（Me₂SCl⁺）反應，可以得到乙酸甲硫基甲酯。^[3]

計算表明，它是三乙胺和乙酸之間形成的氫鍵分子配合物。^[4]

參考文獻

^ Akhilesh K. Verma, Pankaj Attri, Varun Chopra, Rakesh K. Tiwari, Ramesh Chandra. Triethylammonium acetate (TEAA): a recyclable inexpensive ionic liquid promotes the chemoselective aza- and thia-Michael reactions. Monatshefte für Chemie - Chemical Monthly. 2008-09, 139 (9): 1041–1047 [2022-04-27]. ISSN 0026-9247. doi:10.1007/s00706-008-0886-4 （英語）.
^ Chuan Zhao, Geoff Burrell, Angel A. J. Torriero, Frances Separovic, Noel F. Dunlop, Douglas R. MacFarlane, Alan M. Bond. Electrochemistry of Room Temperature Protic Ionic Liquids. The Journal of Physical Chemistry B. 2008-06-01, 112 (23): 6923–6936 [2022-04-27]. ISSN 1520-6106. doi:10.1021/jp711804j. （原始內容存檔於2022-04-27）（英語）.
^ Tse-Lok Ho. convenient Access to Methylthiomethyl Esters. Esterification with Chlorodimethylsulfonium Salts. Synthetic Communications. 1979-01, 9 (4): 267–270 [2022-04-27]. ISSN 0039-7911. doi:10.1080/00397917908064150. （原始內容存檔於2022-04-27）（英語）.
^ L. E. Shmukler, I. V. Fedorova, M. S. Gruzdev, L. P. Safonova. Triethylamine-Based Salts: Protic Ionic Liquids or Molecular Complexes?. The Journal of Physical Chemistry B. 2019-12-19, 123 (50): 10794–10806 [2022-04-27]. ISSN 1520-6106. doi:10.1021/acs.jpcb.9b08032. （原始內容存檔於2022-04-27）（英語）.

[1] Akhilesh K. Verma, Pankaj Attri, Varun Chopra, Rakesh K. Tiwari, Ramesh Chandra. Triethylammonium acetate (TEAA): a recyclable inexpensive ionic liquid promotes the chemoselective aza- and thia-Michael reactions. Monatshefte für Chemie - Chemical Monthly. 2008-09, 139 (9): 1041–1047 [2022-04-27]. ISSN 0026-9247. doi:10.1007/s00706-008-0886-4 （英語）.

[2] Chuan Zhao, Geoff Burrell, Angel A. J. Torriero, Frances Separovic, Noel F. Dunlop, Douglas R. MacFarlane, Alan M. Bond. Electrochemistry of Room Temperature Protic Ionic Liquids. The Journal of Physical Chemistry B. 2008-06-01, 112 (23): 6923–6936 [2022-04-27]. ISSN 1520-6106. doi:10.1021/jp711804j. （原始內容存檔於2022-04-27）（英語）.

[3] Tse-Lok Ho. convenient Access to Methylthiomethyl Esters. Esterification with Chlorodimethylsulfonium Salts. Synthetic Communications. 1979-01, 9 (4): 267–270 [2022-04-27]. ISSN 0039-7911. doi:10.1080/00397917908064150. （原始內容存檔於2022-04-27）（英語）.

[4] L. E. Shmukler, I. V. Fedorova, M. S. Gruzdev, L. P. Safonova. Triethylamine-Based Salts: Protic Ionic Liquids or Molecular Complexes?. The Journal of Physical Chemistry B. 2019-12-19, 123 (50): 10794–10806 [2022-04-27]. ISSN 1520-6106. doi:10.1021/acs.jpcb.9b08032. （原始內容存檔於2022-04-27）（英語）.

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