四甲基硫氰酸铵

四甲基硫氰酸铵是一种季铵盐,化学式为[(CH3)4N]SCN。它可由硫氰酸银和热的四甲基碘化铵反应得到:[1]

AgSCN + [(CH3)4N]I → [(CH3)4N]SCN + AgI
四甲基硫氰酸铵

识别
CAS号 15597-46-3  checkY
SMILES
 
  • C[N+](C)(C)C.[S-]C#N
InChI
 
  • 1S/C4H12N.CHNS/c1-5(2,3)4;2-1-3/h1-4H3;3H/q+1;/p-1
InChIKey PJLHNSWILUSPNO-UHFFFAOYSA-M
性质
化学式 C5H12N2S
摩尔质量 132.23 g·mol−1
熔点 308—309 °C(581—582 K)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

它可以和二氧化硫反应,生成加合物[(CH3)4N]SCN·SO2[2]它和K2[Co(SCN)4]在乙醇溶液中反应,生成亮蓝色的(NMe4)2[Co(NCS)4]沉淀。[3]

参考文献

  1. N. Bertazzi, R. Barbieri. . Inorganic and Nuclear Chemistry Letters. 1969-07, 5 (7): 591–595 [2020-06-24]. doi:10.1016/0020-1650(69)80036-X. (原始内容存档于2018-06-23) (英语).
  2. Kornath, Andreas; Blecher, Oliver; Ludwig, Ralf. Preparation and crystal structure of the tetramethylammonium thiocyanate sulfur dioxide adduct, (CH3)​4N+SCN-.SO2. Zeitschrift fuer Anorganische und Allgemeine Chemie, 2000. 626 (3): 731-735. ISSN: 0044-2313.
  3. Endrit Shurdha, Curtis E. Moore, Arnold L. Rheingold, Saul H. Lapidus, Peter W. Stephens, Atta M. Arif, Joel S. Miller. . Inorganic Chemistry. 2013-09-16, 52 (18): 10583–10594 [2020-06-24]. ISSN 0020-1669. doi:10.1021/ic401558f (英语).
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