乙磺酸

乙磺酸
Ethanesulfonic acid 3D
Ethanesulfonic acid 3D bonds
IUPAC名
Ethanesulfonic acid
别名 乙基磺酸
乙烷磺酸
识别
CAS号 594-45-6  checkY
PubChem 11668
ChemSpider 11178
SMILES
 
  • CCS(O)(=O)=O
InChI
 
  • 1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)
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 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。它可由乙二硫醚世界语Duetila dusulfido乙硫醇的催化氧化反应制得。[4][5]三苯基磷三氯乙腈的存在下,它和叠氮化钠乙腈中反应,可以得到乙基磺酰叠氮化物。[6]

参考文献

  1. ^ Berthoud, A. Some physico-chemical properties of ethane- and methanesulfonic acids. Helvetica Chimica Acta, 1929. 12: 859-865.
  2. ^ 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). 
  3. ^ 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. 
  4. ^ 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.
  5. ^ 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). 
  6. ^ 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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