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硫代甲酸

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硫代甲酸
IUPAC名
Methanethioic S-acid
别名 Monothioformic acid
识别
CAS号 16890-80-5
PubChem 519335
ChemSpider 452997
SMILES
 
  • C(=O)S
InChI
 
  • 1S/CH2OS/c2-1-3/h1H,(H,2,3)
InChIKey AWIJRPNMLHPLNC-UHFFFAOYSA-N
性质
化学式 CH2OS
摩尔质量 62.09 g·mol−1
沸点 86 °C(359 K)
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫代甲酸(英語:Thioformic acid)是一种有机硫化合物,化学式CH
2
OS
,为最简单的硫代羧酸[1],存在以下两种互变异构:

两者的比例会受溶剂等因素影响[2][3]

参考文献

[编辑]
  1. ^ Wang, Jia; Marks, Joshua H.; Tuli, Lotefa B.; Mebel, Alexander M.; Azyazov, Valeriy N.; Kaiser, Ralf I. Formation of Thioformic Acid (HCOSH)─The Simplest Thioacid─in Interstellar Ice Analogues. The Journal of Physical Chemistry A. 2022, 126 (51): 9699–9708. Bibcode:2022JPCA..126.9699W. PMID 36534075. doi:10.1021/acs.jpca.2c06860. 
  2. ^ Delaere, David; Raspoet, Greet; Nguyen, Minh Tho. Thiol−Thione Tautomerism in Thioformic Acid: Importance of Specific Solvent Interactions. The Journal of Physical Chemistry A. 1999, 103 (1): 171–177. Bibcode:1999JPCA..103..171D. doi:10.1021/jp983298c. 
  3. ^ Duarte, Fernanda; Toro-Labbé, Alejandro. The catalytic effect of water on the keto-enol tautomerisation reaction of thioformic acid. Molecular Physics. 2010, 108 (10): 1375–1384. Bibcode:2010MolPh.108.1375D. doi:10.1080/00268971003698064.