1-Naphthalenecarboxylic acid
- Formula: C11H8O2
- Molecular weight: 172.1800
- IUPAC Standard InChIKey: LNETULKMXZVUST-UHFFFAOYSA-N
- CAS Registry Number: 86-55-5
- 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. - Species with the same structure:
- Other names: 1-Naphthoic acid; α-Naphthoic acid; 1-Carboxynaphthalene; 1-Naphthioic acid; Naphthalene-α-carboxylic acid; α-Naphthylcarboxylic acid
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- Other data available:
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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
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 573.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 434.15 | K | N/A | Khetarpal, Lal, et al., 1979 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 433.9 | K | N/A | Berliner and Winicov, 1959 | Uncertainty assigned by TRC = 0.8 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 26.39 | kcal/mol | N/A | Colomina, Roux, et al., 1974 | DRB |
ΔsubH° | 27.161 | kcal/mol | C | Sabbah and Gilbert, 1974 | ALS |
ΔsubH° | 27.15 | kcal/mol | C | Sabbah and Gilbert, 1974 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.2 | 472. | A | Stephenson and Malanowski, 1987 | Based on data from 457. to 573. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
429. to 573. | 8.26528 | 4590.279 | -17.54 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.38 ± 0.05 | 350.5 | V | Colomina, Roux, et al., 1974 | ALS |
26.39 ± 0.05 | 355. | ME | Colomina, Roux, et al., 1974 | Based on data from 340. to 360. K. See also Pedley and Rylance, 1977 and Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.754 | 435.2 | Acree, 1991 | AC |
References
Go To: Top, Phase change 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]
Khetarpal, Lal, et al., 1979
Khetarpal, S.C.; Lal, K.; Bhatnagar, H.L.,
Thermodynamic Studies on Melting of Some α- and β-Derivitives of Naphthalene,
Aust. J. Chem., 1979, 32, 49. [all data]
Berliner and Winicov, 1959
Berliner, E.; Winicov, E.H.,
Dissociation Constants of Nitronaphtoic Acid,
J. Am. Chem. Soc., 1959, 81, 1630-5. [all data]
Colomina, Roux, et al., 1974
Colomina, M.; Roux, M.V.; Turrion, C.,
Thermochemical properties of naphthalene compounds. I. Enthalpies of combustion and formation of the 1- and 2-naphthoic acids,
J. Chem. Thermodyn., 1974, 6, 149-155. [all data]
Sabbah and Gilbert, 1974
Sabbah, R.; Gilbert, E.M.,
Determination de L'energie de conjugaison des acides naphtoiques,
Thermochim. Acta, 1974, 10, 345-351. [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]
Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J.,
, Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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