Benzenesulfonic acid
- Formula: C6H6O3S
- Molecular weight: 158.175
- IUPAC Standard InChI: InChI=1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)
- IUPAC Standard InChIKey: SRSXLGNVWSONIS-UHFFFAOYSA-N
- CAS Registry Number: 98-11-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Benzenemonosulfonic acid; Benzenesulphonic acid; Besylic acid; Phenylsulfonic acid; Kyselina benzensulfonova
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Reaction thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess
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Individual Reactions
+
=
+
By formula: C12H10O4S2 + H2O = C6H6O2S + C6H6O3S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -68. ± 10. | kJ/mol | Cm | Kice, Margolis, et al., 1977 | solid phase; solvent: Water; Hydrolysis; ALS |
C6H5O3S- + =
By formula: C6H5O3S- + H+ = C6H6O3S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1298. ± 28. | kJ/mol | D-EA | Wang, Ferris, et al., 2000 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kice, Margolis, et al., 1977
Kice, J.L.; Margolis, H.C.; Johnson, W.S.; Wulff, C.A.,
Heats of hydrolysis of phenyl α-disulfone and phenyl benzenesulfinyl sulfone,
J. Org. Chem., 1977, 42, 2933-2935. [all data]
Wang, Ferris, et al., 2000
Wang, X.B.; Ferris, K.; Wang, L.S.,
Photodetachment of gaseous multiply charged anions, copper phthalocyanine tetrasulfonate tetraanion: Tuning molecular electronic energy levels by charging and negative electron binding,
J. Phys. Chem. A, 2000, 104, 1, 25-33, https://doi.org/10.1021/jp9930090
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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