乙磺酸
| 乙磺酸 | |||
|---|---|---|---|
| |||
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| IUPAC名 Ethanesulfonic acid | |||
| 别名 | 乙基磺酸 乙烷磺酸 | ||
| 识别 | |||
| CAS号 | 594-45-6 
| ||
| PubChem | 11668 | ||
| ChemSpider | 11178 | ||
| SMILES |
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| InChI |
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| EINECS | 209-843-0 | ||
| ChEBI | 42465 | ||
| 性质 | |||
| 化学式 | C2H6O3S | ||
| 摩尔质量 | 110.13 g·mol−1 | ||
| 外观 | 无色液体 | ||
| 密度 | 1.35 g/mL | ||
| 熔点 | −17 °C（256 K）[1] | ||
| 沸点 | 136—140 °C（409—413 K）（2 torr）[2] | ||
| 溶解性（水） | 可溶 | ||
| log P | −0.37 | ||
| pKa | −1.68[3] | ||
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |||
乙磺酸是一种有机化合物，化学式为C2H5SO3H。它可由乙二硫醚或乙硫醇的催化氧化反应制得。[4][5]在三苯基磷、三氯乙腈的存在下，它和叠氮化钠在乙腈中反应，可以得到乙基磺酰叠氮化物。[6]
参考文献
[编辑]- ^ Berthoud, A. Some physico-chemical properties of ethane- and methanesulfonic acids. Helvetica Chimica Acta, 1929. 12: 859-865.
- ^ William E. Bissinger, Frederick E. Kung, Charles W. Hamilton. Rearrangement of Alkyl Sulfites to Alkanesulfonate Esters. Journal of the American Chemical Society. 1948-11, 70 (11): 3940–3941 [2021-12-10]. ISSN 0002-7863. doi:10.1021/ja01191a506 （英语）.
- ^ YK Ye & RW Stringham. Effect of mobile phase acidic additives on enantioselectivity for phenylalanine analogs. J Chromatogr A. 2001-06-21, 927 (1–2): 53–60. PMID 11572398. doi:10.1016/S0021-9673(01)01059-7.
- ^ Vlasova, L. V. Catalytic liquid-phase oxidation of diethyl disulfide by oxygen to sulfonic acid（俄文）. Neftekhimiya, 1987. 27 (1): 133-136. ISSN 0028-2421.
- ^ E. G. Krivoborodov, A. A. Zanin, E. P. Novikova, Ya. O. Mezhuev. Oxidation of diethyl disulfide with atmospheric oxygen in the presence of 1,3-dimethylimidazolium dimethyl phosphate. Russian Chemical Bulletin. 2020-05, 69 (5): 986–989 [2021-12-10]. ISSN 1066-5285. doi:10.1007/s11172-020-2859-7 （英语）.
- ^ Joong-Gon Kim, Doo Jang. Convenient One-Pot Synthesis of Sulfonyl Azides from Sulfonic Acids. Synlett. 2008-10-23, 2008 (18): 2885–2887 [2021-12-10]. ISSN 0936-5214. doi:10.1055/s-0028-1083600. （原始内容存档于2018-06-05） （英语）.
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