亚甲基甲胺N‐甲基亚甲亚胺是一种活泼的分子,化学式为CH3N=CH2。它不稳定,在数分钟内即形成三聚体。在地球大气环境中,它可经动物或通过燃烧二甲胺三甲胺转化而来。[1]在实验室,它也可通过N-氯代丁二酰亚胺二甲胺氯化,再由叔丁醇钾在90 °C处理得到。[2]三甲胺的高温分解也会生成亚甲基甲胺。[3]

亚甲基甲胺
识别
CAS号 1761-67-7  checkY
PubChem 137199
ChemSpider 120899
SMILES
 
  • CN=C
性质
化学式 C2H5N
摩尔质量 43.07 g·mol−1
相关物质
相关化学品 dimethylamine
Methanimine
Ethanimine
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

参考文献

编辑
  1. ^ Bunkan, Arne Joakim C.; Reijrink, Nina G.; Mikoviny, Tomáš; Müller, Markus; Nielsen, Claus J.; Zhu, Liang; Wisthaler, Armin. Atmospheric Chemistry of N -Methylmethanimine (CH 3 N═CH 2 ): A Theoretical and Experimental Study. The Journal of Physical Chemistry A. 11 May 2022: acs.jpca.2c01925. doi:10.1021/acs.jpca.2c01925. 
  2. ^ Demaison, J.; Burie, J.; Denis, J.M.; Van Eijck, B.P. Centrifugal distortion and internal rotation analysis of the rotational spectra of N-methylmethanimine d0 and d5. Journal of Molecular Spectroscopy. October 1984, 107 (2): 250–260. doi:10.1016/0022-2852(84)90004-3. 
  3. ^ Fujiwara, Hideo; Egawa, Toru; Konaka, Shigehiro. Electron diffraction study of thermal decomposition products of trimethylamine: molecular structure of CH3–N=CH2. Journal of Molecular Structure. January 1995, 344 (3): 217–226. doi:10.1016/0022-2860(94)08440-S.