- Formula: C4H10O4S
- Molecular weight: 154.185
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: DENRZWYUOJLTMF-UHFFFAOYSA-N
- CAS Registry Number: 64-67-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Sulfuric acid, diethyl ester; DES; Ethyl sulfate; Sulphuric acid diethyl ester; Diethyl sulphate; Diaethylsulfat; Diethylester kyseliny sirove; UN 1594; NSC 56380
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- Other data available:
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Phase change data
Go To: Top, References, Notes
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
|Tfus||247.15||K||N/A||Timmermans and Mattaar, 1921||Uncertainty assigned by TRC = 0.5 K; TRC|
|vapH°||57. ± 2.||kJ/mol||E||Mackle and Steele, 1969||ALS|
Enthalpy of vaporization
|vapH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|50.1||428.||A||Stephenson and Malanowski, 1987||Based on data from 413. - 484. K.; AC|
|54.9||335.||N/A||Stull, 1947||Based on data from 320. - 482. K. See also Dykyj, Svoboda, et al., 1999.; AC|
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
|320. - 482.7||4.78983||2066.924||-50.509||Stull, 1947||Coefficents calculated by NIST from author's data.|
Go To: Top, Phase change data, Notes
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]
Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]
Mackle and Steele, 1969
Mackle, H.; Steele, W.V., Studies in the thermochemistry of organic sulphites and sulphates. Part 1.-Heats of combustion and formation of some dialkyl sulphites and sulphates, Trans. Faraday Soc., 1969, 65, 2053-2059. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]
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]
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point vapH Enthalpy of vaporization vapH° Enthalpy of vaporization at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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