Ethanol, 2-butoxy-

Formula: C₆H₁₄O₂
Molecular weight: 118.1742
IUPAC Standard InChI: InChI=1S/C6H14O2/c1-2-3-5-8-6-4-7/h7H,2-6H2,1H3
IUPAC Standard InChIKey: POAOYUHQDCAZBD-UHFFFAOYSA-N
CAS Registry Number: 111-76-2
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: β-Butoxyethanol; Butyl cellosolve; Butyl glycol; Butyl oxitol; BuCs; Dowanol EB; Ethylene glycol butyl ether; Ethylene glycol monobutyl ether; Gafcol EB; Glycol butyl ether; Glycol monobutyl ether; Monobutyl glycol ether; O-Butyl ethylene glycol; Poly-Solv EB; 2-Butoxy-1-ethanol; 2-Butoxyethanol; 3-Oxa-1-heptanol; Butyl 2-hydroxyethyl ether; 2-Hydroxyethyl n-butyl ether; n-Butoxyethanol; 2-n-Butoxyethanol; Ethylene glycol mono-n-butyl ether; Butoksyetylowy alkohol; Butoxyethanol; Butyglycol; Ethylene glycol n-butyl ether; Monobutyl ether of ethylene glycol; 2-Butossi-etanolo; 2-Butoxy-aethanol; Butylcelosolv; Ektasolve EB; Glycol ether EB; Jeffersol EB; Butyl Cellu-Sol; Chimec NR; Butyl monoether glycol; Minex BDH; Butyl icinol; 2-Butoxyethan-1-ol; 2-n-Butoxy-1-ethanol; EGBE; NSC 60759; n-Butyl cellosolve; Glycol ether eb acetate; UN 2369; Ektasolve EB solvent; Ether alcohol; 2-butoxyethanol (butyl cellosolve)
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Phase change data

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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

Quantity	Value	Units	Method	Reference	Comment
T_boil	444.2	K	N/A	Weast and Grasselli, 1989	BS
T_boil	444.30	K	N/A	Lecat, 1947	Uncertainty assigned by TRC = 0.7 K; TRC
T_boil	442.6	K	N/A	Whitmore and Lieber, 1935	Uncertainty assigned by TRC = 0.5 K; TRC
Quantity	Value	Units	Method	Reference	Comment
T_c	633.9	K	N/A	Teja and Rosenthal, 1991	Uncertainty assigned by TRC = 1. K; TRC
T_c	633.9	K	N/A	Teja and Anselme, 1990	Uncertainty assigned by TRC = 1.2 K; TRC
Quantity	Value	Units	Method	Reference	Comment
P_c	32.70	bar	N/A	Teja and Rosenthal, 1991	Uncertainty assigned by TRC = 0.20 bar; TRC
Quantity	Value	Units	Method	Reference	Comment
ρ_c	2.36	mol/l	N/A	Teja and Anselme, 1990	Uncertainty assigned by TRC = 0.05 mol/l; TRC
Quantity	Value	Units	Method	Reference	Comment
Δ_vapH°	56.59	kJ/mol	N/A	Majer and Svoboda, 1985

Reduced pressure boiling point

T_boil (K)	Pressure (bar)	Reference	Comment
444.2	0.991	Aldrich Chemical Company Inc., 1990	BS

Enthalpy of vaporization

Δ_vapH (kJ/mol)	Temperature (K)	Method	Reference	Comment
51.2	373.	MM	Escobedo-Alvarado and Sandler, 1999	Based on data from 363. to 382. K.; AC
49.5	351.	A	Stephenson and Malanowski, 1987	Based on data from 336. to 443. K. See also Dykyj, 1972.; AC
52.6	351.	N/A	Dykyj, Seprakova, et al., 1957	Based on data from 336. to 443. K. See also Boublik, Fried, et al., 1984.; AC

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)

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Temperature (K)	A	B	C	Reference	Comment
365.8 to 443.4	4.25626	1511.414	-88.815	Dykyj, Seprakova, et al., 1957, 2	Coefficents calculated by NIST from author's data.

Enthalpy of fusion

Δ_fusH (kJ/mol)	Temperature (K)	Reference	Comment
11.8	199.5	Atake, Kawaji, et al., 2000	AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:

References

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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]

Lecat, 1947
Lecat, M., Orthobaric Azeotropes of Sulfides, Bull. Cl. Sci., Acad. R. Belg., 1947, 33, 160-82. [all data]

Whitmore and Lieber, 1935
Whitmore, W.F.; Lieber, E., Identification of Certain SOlvens by the Xanthate Reaction, Ind. Eng. Chem., Anal. Ed., 1935, 7, 127-9. [all data]

Teja and Rosenthal, 1991
Teja, A.S.; Rosenthal, D.J., The critical pressures and temperatures of ten substances using a low residence time flow apparatus in Experimental Results for Phase Equilibria and Pure Component Properties, DIPPR DATA Series No. 1, 1991. [all data]

Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J., The critical properties of thermally stable and unstable fluids. I. 1985 results, AIChE Symp. Ser., 1990, 86, 279, 115-21. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Escobedo-Alvarado and Sandler, 1999
Escobedo-Alvarado, Gonzalo N.; Sandler, Stanley I., Vapor-Liquid Equilibrium of Two Aqueous Systems that Exhibit Liquid-Liquid Phase Separation, J. Chem. Eng. Data, 1999, 44, 2, 319-322, https://doi.org/10.1021/je980228q . [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]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Dykyj, Seprakova, et al., 1957
Dykyj, J.; Seprakova, M.; Paulech, J., Chem. Zvesti, 1957, 11, 461. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Dykyj, Seprakova, et al., 1957, 2
Dykyj, J.; Seprakova, M.; Maulech, J., Physikalische Eigenschaften des Athylenglykols und Seiner Derivate (II) Dampftensionen von Alkoxyathanolen und Aneren Drivaten des Athylenglykols, Chem. Zvesti, 1957, 11, 461-466. [all data]

Atake, Kawaji, et al., 2000
Atake, Tooru; Kawaji, Hitoshi; Tojo, Takeo; Kawasaki, Koji; Ootsuka, Yasushiro; Katou, Maki; Koga, Yoshikata, Heat Capacities of Isomeric 2-Butoxyethanols from 13 to 300 K. Fusion and Glass Transition., Bull. Chem. Soc. Jpn., 2000, 73, 9, 1987-1991, https://doi.org/10.1246/bcsj.73.1987 . [all data]

Notes

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Symbols used in this document:

P_c	Critical pressure
T_boil	Boiling point
T_c	Critical temperature
Δ_fusH	Enthalpy of fusion
Δ_vapH	Enthalpy of vaporization
Δ_vapH°	Enthalpy of vaporization at standard conditions
ρ_c	Critical density

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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