Benzenesulfonamide, 4-methyl-
- Formula: C7H9NO2S
- Molecular weight: 171.217
- IUPAC Standard InChI: InChI=1S/C7H9NO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H2,8,9,10)
- IUPAC Standard InChIKey: LMYRWZFENFIFIT-UHFFFAOYSA-N
- CAS Registry Number: 70-55-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: p-Toluenesulfonamide; p-Methylbenzenesulfonamide; p-Toluenesulfamide; p-Toluenesulfonylamide; p-Tolylsulfonamide; p-Tosylamide; Toluene-p-sulfonamide; Toluene-4-sulfonamide; Tolylsulfonamide; Tosylamide; 4-Methylbenzenesulfonamide; para-Toluenesulfonamide; 4-Toluenesulfonamide; p-Toluenesulfanamide; 4-Toluenesulfanamide; Toluene-p-sulphonamide; p-Toluenesulphonamide; Uniplex 173; Tolouen-4-sulfonamide; NSC 9908; toluene-4-sulphonamide
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Phase change data
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 338.25 | K | N/A | Fort and Roberts, 1956 | Uncertainty assigned by TRC = 0.7 K |
| Tfus | 339.25 | K | N/A | Fort and Roberts, 1956 | Uncertainty assigned by TRC = 0.5 K |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
De-protonation reactions
C7H8NO2S- + =
By formula: C7H8NO2S- + H+ = C7H9NO2S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 1397. ± 8.4 | kJ/mol | IMRE | Koppel, Koppel, et al., 2001 | gas phase |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Fort and Roberts, 1956
Fort, A.W.; Roberts, J.D.,
The Reactions of 3-Phenyl-1-propylamine-1-14C and 3-(p-methoxyphenyl)- propylamine-1-14C with Nitrous Acid,
J. Am. Chem. Soc., 1956, 78, 584. [all data]
Koppel, Koppel, et al., 2001
Koppel, I.A.; Koppel, J.; Leito, I.; Koppel, I.; Mishima, M.; Yagupolskii, L.M.,
The enormous acidifying effect of the supersubstituent =NSO2CF3 on the acidity of derivatives of benzenesulfonamide and toluene-p-sulfonamide in the gas phase and in dimethyl sulfoxide,
J. Chem. Soc. Perkin Trans., 2001, 2, 2, 229-232, https://doi.org/10.1039/b005765g
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔrG° Free energy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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