Chloridosulfuric acid
- Formula: ClHO3S
- Molecular weight: 116.524
- IUPAC Standard InChI: InChI=1S/ClHO3S/c1-5(2,3)4/h(H,2,3,4)
- IUPAC Standard InChIKey: XTHPWXDJESJLNJ-UHFFFAOYSA-N
- CAS Registry Number: 7790-94-5
- 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: chlorosulphuric acid; Chlorosulfonic acid
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Phase change 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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 45.8 | 339. | Dykyj, Svoboda, et al., 1999 | Based on data from 324. to 454. K. |
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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
+
By formula: C15H32O + ClHO3S = C15H32O4S + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 56. ± 3. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation |
+
= C16H34O4S +
By formula: C16H34O + ClHO3S = C16H34O4S + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 57. ± 3. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation |
+
=
+
By formula: C4H10O + ClHO3S = C4H10O4S + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 58. ± 1. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation |
+
=
+
By formula: C11H24O + ClHO3S = C11H24O4S + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 60. ± 3. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation |
+
= C8H18O4S +
By formula: C8H18O + ClHO3S = C8H18O4S + HCl
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 55. ± 1. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation |
IR Spectrum
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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 by: Coblentz Society, Inc.
Spectrum
A digitized version of this spectrum is not currently available.
Additional Data
View scan of original (hardcopy) spectrum.
| Owner | COBLENTZ SOCIETY Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Source reference | COBLENTZ NO. 1258 |
| Date | Not specified, most likely prior to 1970 |
| Instrument | Not specified, most likely a prism, grating, or hybrid spectrometer. |
| Data processing | (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE) |
References
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Markitanova, Barsukov, et al., 1981
Markitanova, L.I.; Barsukov, I.I.; Passet, B.V.,
Determination of heat of sulfation by calorimetric titration,
J. Gen. Chem. USSR, 1981, 51, 1286-1289. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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