Butanoic acid, 3,3-dimethyl-
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChIKey: MLMQPDHYNJCQAO-UHFFFAOYSA-N
- CAS Registry Number: 1070-83-3
- 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: Butyric acid, 3,3-dimethyl-; tert-Butylacetic acid; 3,3-Dimethylbutanoic acid; 3,3-Dimethylbutyric acid; (CH3)3CCH2COOH; t-Butylacetic acid; 3,3-Dimethyl-n-butyric acid
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Phase change data
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 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 |
---|---|---|---|---|---|
Tboil | 460.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 463.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 280. | K | N/A | Homeyer, Whitmore, et al., 1933 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 15.3 ± 0.2 | kcal/mol | GS | Verevkin, 2000 | Based on data from 283. to 325. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.2 ± 0.2 | 304. | GS | Verevkin, 2000 | Based on data from 283. to 325. K.; AC |
Reaction thermochemistry data
Go To: Top, Phase change 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: 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
C6H11O2- + =
By formula: C6H11O2- + H+ = C6H12O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 344.8 ± 2.1 | kcal/mol | G+TS | Caldwell, Renneboog, et al., 1989 | gas phase |
ΔrH° | 345.1 ± 2.1 | kcal/mol | G+TS | Taft and Topsom, 1987 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 337.8 ± 2.0 | kcal/mol | IMRE | Caldwell, Renneboog, et al., 1989 | gas phase |
ΔrG° | 338.1 ± 2.0 | kcal/mol | IMRE | Taft and Topsom, 1987 | gas phase |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
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]
Homeyer, Whitmore, et al., 1933
Homeyer, A.H.; Whitmore, F.C.; Wallingford, V.H.,
Preparation of tert-Butylacetic Acid and its Derivatives.,
J. Am. Chem. Soc., 1933, 55, 4209-214. [all data]
Verevkin, 2000
Verevkin, S.P.,
Measurement and Prediction of the Monocarboxylic Acids Thermochemical Properties,
J. Chem. Eng. Data, 2000, 45, 5, 953-960, https://doi.org/10.1021/je990282m
. [all data]
Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P.,
Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria,
Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092
. [all data]
Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D.,
The Nature and Analysis of Substituent Effects,
Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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