Tetraethylene glycol
- Formula: C8H18O5
- Molecular weight: 194.2255
- IUPAC Standard InChI: InChI=1S/C8H18O5/c9-1-3-11-5-7-13-8-6-12-4-2-10/h9-10H,1-8H2
- IUPAC Standard InChIKey: UWHCKJMYHZGTIT-UHFFFAOYSA-N
- CAS Registry Number: 112-60-7
- 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: Ethanol, 2,2'-[oxybis(2,1-ethanediyloxy)]bis-; Hi-Dry; 3,6,9-Trioxaundecane-1,11-diol; 2,2'-(Oxybis(ethyleneoxy))diethanol; Ethanol, 2,2'-(oxybis(ethyleneoxy))di-; 3,6,9-Trioxaundecan-1,11-diol; 2-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)ethanol; 1,11-Dihydroxy-3,6,9-trioxaundecane; NSC 1262; Tetraglycol; PEG-4
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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 587.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
| Tboil | 601.2 | K | N/A | Weast and Grasselli, 1989 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 263.75 | K | N/A | Gallaugher and Hibbert, 1936 | Uncertainty assigned by TRC = 0.7 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 800. | K | N/A | Nikitin, Pavlov, et al., 1995 | Uncertainty assigned by TRC = 30. K; TRC |
| Tc | 762. | K | N/A | Stephens and Tamplin, 1979 | Uncertainty assigned by TRC = 20. K; TC data from Union Carbide Corp.; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 32.00 | bar | N/A | Nikitin, Pavlov, et al., 1995 | Uncertainty assigned by TRC = 1.00 bar; TRC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 92.2 | 441. | A | Stephenson and Malanowski, 1987 | Based on data from 426. to 581. K. See also Stull, 1947.; AC |
| 99. ± 10. | 273. | V | Gallaugher and Hibbert, 1937 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 89.16 kJ/mol; ALS |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 427.1 to 580.9 | 8.19953 | 4837.367 | 9.636 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Gallaugher and Hibbert, 1936
Gallaugher, A.F.; Hibbert, H.,
Studies on reactions relating to carbohydrates and polysaccharides: xlix molecular weight, molar refraction, freezing point and other properties of the polyethylene glycols and their derivatives,
J. Am. Chem. Soc., 1936, 58, 813. [all data]
Nikitin, Pavlov, et al., 1995
Nikitin, E.D.; Pavlov, P.A.; Popov, A.P.,
(Gas + liquid) critical temperatures and pressures of polyethene glycols for HOCH2CH2OH to H(OCH2CH2)v.apprxeq.13.2OH,
J. Chem. Thermodyn., 1995, 27, 43-51. [all data]
Stephens and Tamplin, 1979
Stephens, M.A.; Tamplin, W.S.,
Saturated Liquid SPecific Heats of Ethylene GLycol Homologues,
J. Chem. Eng. Data, 1979, 24, 81-2. [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, 1947
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]
Gallaugher and Hibbert, 1937
Gallaugher, A.F.; Hibbert, H.,
Studies on reactions relating to carbohydrates and polysaccharides. LV. Vapor pressures of the polyethylene glycols and their derivatives,
J. Am. Chem. Soc., 1937, 59, 2521-2525. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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