Dihydrogen disulfide
- Formula: H2S2
- Molecular weight: 66.146
- IUPAC Standard InChI: InChI=1S/H2S2/c1-2/h1-2H
- IUPAC Standard InChIKey: BWGNESOTFCXPMA-UHFFFAOYSA-N
- CAS Registry Number: 13465-07-1
- Chemical structure:
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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 (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.13 | 271. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 256. to 367. K. |
| 8.08 ± 0.02 | 293. | C | Feh«65533»r and Hitzemann, 1958 |
References
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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]
Feh«65533»r and Hitzemann, 1958
Feh«65533»r, F.; Hitzemann, G.,
Beitr«65533»ge zur Chemie des Schwefels. 44. Verdampfungsenthalpien, Dampfdrucke, Siedepunkte, kritische Temperaturen und Drucke sowie Troutonsche Konstanten von Sulfanen,
Z. Anorg. Allg. Chem., 1958, 294, 1-2, 50-62, https://doi.org/10.1002/zaac.19582940105
. [all data]
Notes
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- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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