1,4-Butanediol
- Formula: C4H10O2
- Molecular weight: 90.1210
- IUPAC Standard InChIKey: WERYXYBDKMZEQL-UHFFFAOYSA-N
- CAS Registry Number: 110-63-4
- 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: Diol 14B; Sucol B; Tetramethylene glycol; 1,4-Butylene glycol; 1,4-Dihydroxybutane; 1,4-Tetramethylene glycol; Butane-1,4-diol; Butanediol; 1,4-BD; Tetramethylene 1,4-diol; BDO; Butylene glycol; Dabco BDO; Butane diol-1,4; NSC 406696
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Reaction thermochemistry data
Go To: Top, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
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
C4H9O2- + =
By formula: C4H9O2- + H+ = C4H10O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 356.1 ± 2.5 | kcal/mol | G+TS | Crowder and Bartmess, 1993 | gas phase; ΔGacid at 80°C |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 354.6 ± 2.0 | kcal/mol | IMRE | Crowder and Bartmess, 1993 | gas phase; ΔGacid at 80°C |
ΔrG° | 360.20 ± 0.30 | kcal/mol | CIDC | Houriet, Tabet, et al., 1984 | gas phase; value altered from reference due to change in acidity scale |
By formula: (Cl- • C4H10O2) + C4H10O2 = (Cl- • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.20 ± 0.80 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.6 ± 1.0 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase |
By formula: Cl- + C4H10O2 = (Cl- • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.2 ± 1.7 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 17.5 ± 1.0 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase |
Mass spectrum (electron ionization)
Go To: Top, Reaction thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291303 |
References
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Crowder and Bartmess, 1993
Crowder, C.; Bartmess, J.,
The Gas Phase Acidities of Diols,
J. Am. Soc. Mass Spectrom., 1993, 4, 9, 723, https://doi.org/10.1016/1044-0305(93)80051-Y
. [all data]
Houriet, Tabet, et al., 1984
Houriet, R.; Tabet, J.-C.; Tchapla, A.,
Gas-phase Acidities of Aliphatic and Cyclic Diols,
Spectros. Int. J., (1984),, 1984, 3, 132.. [all data]
Zhang, Beglinger, et al., 1995
Zhang, W.; Beglinger, C.; Stone, J.A.,
High-pressure mass spectrometric study of the gas-phase association of Cl- with alpha,omega-diols,
J. Phys. Chem., 1995, 99, 30, 11673, https://doi.org/10.1021/j100030a009
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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