Dodecanoic acid
- Formula: C12H24O2
- Molecular weight: 200.3178
- IUPAC Standard InChIKey: POULHZVOKOAJMA-UHFFFAOYSA-N
- CAS Registry Number: 143-07-7
- 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: n-Dodecanoic acid; Neo-fat 12; Aliphat no. 4; ABL; Dodecylic acid; Lauric acid; Laurostearic acid; Neo-fat 12-43; Ninol aa62 extra; Univol U-314; Vulvic acid; 1-Undecanecarboxylic acid; Duodecylic acid; C-1297; Hydrofol acid 1255; Hydrofol acid 1295; Wecoline 1295; Dodecoic acid; Hystrene 9512; Lunac L 70; Emery 650; Philacid 1200; Prifrac 2920; Undecane-1-carboxylic acid; Acide Laurique; Emery 651; Lauric acid (dodecanoic acid); Dodecanoic (Lauric) acid; dodecanoic acid (lauric acid)
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, Reaction thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -7377.0 ± 0.9 | kJ/mol | Ccb | Adriaanse, Dekker, et al., 1965 | Hfusion=36.7 kJ/mol; Corresponding ΔfHºliquid = -775.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -7423.7 ± 7.5 | kJ/mol | Ccb | Roth and Rist-Schumacher, 1944 | Reanalyzed by Cox and Pilcher, 1970, Original value = -7425.8 ± 7.5 kJ/mol; At 292 °K; Corresponding ΔfHºsolid = -728.39 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
404.28 | 298.15 | Schaake, van Miltenburg, et al., 1982 | T = 80 to 345 K.; DH |
428.9 | 301. | Garner and Randall, 1924 | T = 18 to 78°C. Mean value 19 to 39°C.; DH |
381. | 279. | Stohmann and Wilsing, 1885 | T = 0 to 100°C. Mean value 0 to 12°C.; DH |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
By formula: C12H23ClO + H2O = C12H24O2 + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -71. ± 3. | kJ/mol | Cm | Roth and Rist-Schumacher, 1944 | solid phase |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, 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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Chemical Concepts |
NIST MS number | 221043 |
References
Go To: Top, Condensed phase thermochemistry data, 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.
Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J.,
Heats of combustion of normal saturated fatty acids and their methyl esters,
Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]
Roth and Rist-Schumacher, 1944
Roth, W.A.; Rist-Schumacher, E.,
Beitrag zur thermochemie der sulfonsauren und saurechlorid,
Z. Electrochem., 1944, 50, 7-9. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Schaake, van Miltenburg, et al., 1982
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G.,
Thermodynamic properties of the normal alkanoic acids. II. Molar heat capacities of seven even-numbered normal alkanoic acids,
J. Chem. Thermodynam., 1982, 14, 771-778. [all data]
Garner and Randall, 1924
Garner, W.E.; Randall, F.C.,
Alternation in the heats of crystallization of the normal monobasic fatty acids. Part I.,
J. Chem. Soc., 1924, 125, 881-896. [all data]
Stohmann and Wilsing, 1885
Stohmann, F.; Wilsing, H.,
Ueber die specifische Wärme und die Schmelzwärme der Myristinsäure und der Laurinsäure,
J. Prakt. Chem., 1885, 140, 80-93. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.