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Ethanesulfonic acid

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Ethanesulfonic acid

Ethanesulfonic acid 2D

Ethanesulfonic acid 3D

Ethanesulfonic acid 3D bonds

Names

Preferred IUPAC name Ethanesulfonic acid

Other names Esylic acid, ethylsulfonic acid

Identifiers

594-45-6

3D model (JSmol)

Interactive image

CHEBI:42465

11178

209-843-0

11668

599310E3U2

CompTox Dashboard (EPA)

DTXSID5060487

InChI=1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)
InChI=1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)Key: CCIVGXIOQKPBKL-UHFFFAOYSA-N

CCS(O)(=O)=O

Properties

Chemical formula

C₂H₆O₃S

110.13 g/mol

Appearance

Colorless liquid

1.35 g/mL

−17 °C (1 °F; 256 K)

122–123 °C (252–253 °F; 395–396 K) at 0.01 mmHg

Solubility in water

Soluble

−0.37

Acidity (pK_a)

−1.68

Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).

N verify (what is ?) Infobox references

Chemical compound

Ethanesulfonic acid (esylic acid) is a sulfonic acid with the chemical formula CH₃CH₂SO₃H. The conjugate base is known as ethanesulfonate or, when used in pharmaceutical formulations, as esilate. It is a colorless liquid.

References

YK Ye & RW Stringham (2001-06-21). "Effect of mobile phase acidic additives on enantioselectivity for phenylalanine analogs". J Chromatogr A. 927 (1–2): 53–60. doi:10.1016/S0021-9673(01)01059-7. PMID 11572398.
Kosswig K, ed. (2000). "Sulfonic Acids, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a25_503. ISBN 978-3527306732.

External links

Ye YK, Stringham RW (2006), The effect of acidic and basic additives on the enantioseparation of basic drugs using polysaccharide-based chiral stationary phases. Chirality 18, 519–530. (PubMed:16676332)
National Center for Biotechnology Information (2005), Ethanesulfonic acid, PubChem Compound Database; CID=11668, (accessed December 23, 2016)
https://www.scbt.com/scbt/product/ethanesulfonic-acid-594-45-6
http://www.chemicalbook.com/productmsdsdetailcb5173859_en.htm

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