2-Naphthalenol
- Formula: C10H8O
- Molecular weight: 144.1699
- IUPAC Standard InChIKey: JWAZRIHNYRIHIV-UHFFFAOYSA-N
- CAS Registry Number: 135-19-3
- 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: β-Naphthol; 2-Naphthol; β-Hydroxynaphthalene; Azogen Developer A; Betanaphthol; C.I. Azoic Coupling Component 1; C.I. Developer 5; C.I. 37500; Developer A; Developer AMS; Developer BN; Isonaphthol; Naphthol B; 2-Hydroxynaphthalene; β-Monoxynaphthalene; β-Naftol; β-Naftolo; β-Naphthyl alcohol; β-Naphthyl hydroxide; β-Naphtol; β-Napthol; Naphthol, β; 2-Naftol; 2-Naftolo; 2-Naphtol; Antioxygene BN; NSC 2044
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Phase change data
Go To: Top, Gas phase ion energetics 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
DRB - Donald R. Burgess, Jr.
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 |
---|---|---|---|---|---|
Tboil | 558.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 559. | K | N/A | Mantyukov, Loginova, et al., 1974 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tboil | 568. | K | N/A | May, Berliner, et al., 1927 | Uncertainty assigned by TRC = 0.3 K; probably calculated from vapor pressure equation; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 394. ± 3. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 393.8 | K | N/A | Andrews, Lynn, et al., 1926 | Uncertainty assigned by TRC = 1.25 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 18.2 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 393. to 433. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 21. ± 3. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.3 | 416. | A | Stephenson and Malanowski, 1987 | Based on data from 401. to 561. K.; AC |
14.3 | 432. | N/A | von Terres, Gebert, et al., 1955 | Based on data from 417. to 561. K.; AC |
14.8 | 473. | N/A | May, Berliner, et al., 1927, 2 | Based on data from 423. to 563. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
417. to 561. | 5.17336 | 2771.316 | -24.925 | von Terres, Gebert, et al., 1955, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.4 | 305. | A | Stephenson and Malanowski, 1987 | Based on data from 298. to 312. K. See also Aihara, 1960.; AC |
21.0 | 323. | A | Stephenson and Malanowski, 1987 | In reference Aihara, 1960 the author mentions that there may be a small Phase transition at 39.1 °C as evidenced in the log P versus 1/T graph; AC |
20.9 ± 0.60 | 300. | ME | Arshadi, 1974 | Based on data from 277. to 324. K.; AC |
22.5 ± 0.1 | 305. to 323. | ME | Colomina, Roux, et al., 1974 | AC |
18.80 ± 0.20 | 283. | V | Karyakin, Rabinovich, et al., 1968 | ALS |
16.3 | 567.85 | V | May, Berliner, et al., 1927, 3 | ALS |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.00 | 392.5 | DSC | Rojas and Orozco, 2003 | Based on data from 363. to 413. K.; AC |
4.491 | 393.6 | C | Acree, 1991 | See also Andrews, Lynn, et al., 1926, 2.; AC |
4.4909 | 393.6 | N/A | Andrews, Lynn, et al., 1926, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.4 | 393.6 | Andrews, Lynn, et al., 1926, 2 | DH |
Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.87 ± 0.02 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.89 ± 0.06 | S | Oikawa, Abe, et al., 1985 | LBLHLM |
7.85 ± 0.05 | PI | Potapov, Kardash, et al., 1972 | LLK |
7.90 | PE | Utsunomiya, Kobayashi, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C9H7+ | 13.91 | CO+H | EI | Occolowitz and White, 1968 | RDSH |
C9H8+ | 11.27 | CO | EI | Occolowitz and White, 1968 | RDSH |
De-protonation reactions
C10H7O- + =
By formula: C10H7O- + H+ = C10H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 343.8 ± 2.1 | kcal/mol | G+TS | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 336.5 ± 2.0 | kcal/mol | IMRE | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, Phase change data, Gas phase ion energetics 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]
Mantyukov, Loginova, et al., 1974
Mantyukov, G.D.; Loginova, M.A.; Bychkov, B.N.; Rozhkov, S.S.,
Liquid-vapor equilibrium in the system isopropylnaphthalene + 2-naphthol,
J. Appl. Chem. USSR (Engl. Transl.), 1974, 47, 2665-6. [all data]
May, Berliner, et al., 1927
May, O.E.; Berliner, J.F.T.; Lynch, D.F.J.,
Studies in Vapor Pressure IV. The Naphthols,
J. Am. Chem. Soc., 1927, 49, 1012. [all data]
Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J.,
The Heat Capacities and Heat of Crystallization of Some Isomeric Aromatic Compounds,
J. Am. Chem. Soc., 1926, 48, 1274. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [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]
von Terres, Gebert, et al., 1955
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W.,
Brennst.-Chem., 1955, 36, 272. [all data]
May, Berliner, et al., 1927, 2
May, Orville E.; Berliner, J.F.T.; Lynch, D.F.J.,
STUDIES IN VAPOR PRESSURE. IV. THE NAPHTHOLS,
J. Am. Chem. Soc., 1927, 49, 4, 1012-1016, https://doi.org/10.1021/ja01403a018
. [all data]
von Terres, Gebert, et al., 1955, 2
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W.,
Zur Kenntnis der physikalisch-chemischen Grundlagen der Gewinnung und Zerlegung der Phenolfraktionen von Steinkohlenteer und Braunkohlenschwelteer. IV. Mitteilung Die Dampfdrucke von Phenol und Phenolderivaten,
Brennst.-Chem., 1955, 36, 272-274. [all data]
Aihara, 1960
Aihara, Ariyuki,
Estimation of the Energy of Hydrogen Bonds Formed in Crystals. II. Phenols,
Bull. Chem. Soc. Jpn., 1960, 33, 2, 194-200, https://doi.org/10.1246/bcsj.33.194
. [all data]
Arshadi, 1974
Arshadi, Mohammed R.,
Determination of heats of sublimation of organic compounds by a mass spectrometric--knudsen effusion method,
J. Chem. Soc., Faraday Trans. 1, 1974, 70, 0, 1569, https://doi.org/10.1039/f19747001569
. [all data]
Colomina, Roux, et al., 1974
Colomina, M.; Roux, M.V.; Turrion, C.,
Thermochemical properties of naphthalene compounds. II. Enthalpies of combustion and formation of the 1- and 2-naphthols,
J. Chem. Thermodyn., 1974, 6, 571-576. [all data]
Karyakin, Rabinovich, et al., 1968
Karyakin, N.V.; Rabinovich, I.B.; Pakhomov, L.G.,
Heats of sublimation of naphthalene and its monosubstituted β-derivatives,
Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 954. [all data]
May, Berliner, et al., 1927, 3
May, O.E.; Berliner, J.F.T.; Lynch, D.F.J.,
Studies in vapor pressure. IV. The naphthols,
J. Am. Chem. Soc., 1927, 49, 1012-10. [all data]
Rojas and Orozco, 2003
Rojas, Aarón; Orozco, Eulogio,
Measurement of the enthalpies of vaporization and sublimation of solids aromatic hydrocarbons by differential scanning calorimetry,
Thermochimica Acta, 2003, 405, 1, 93-107, https://doi.org/10.1016/S0040-6031(03)00139-4
. [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]
Andrews, Lynn, et al., 1926, 2
Andrews, D.H.; Lynn, G.; Johnston, J.,
The heat capacities and heat of crystallization of some isomeric aromatic compounds,
J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]
Oikawa, Abe, et al., 1985
Oikawa, A.; Abe, H.; Mikami, N.; Ito, M.,
Electronic spectra and ionization potentials of rotational isomers of severaldDisubstituted benzenes,
Chem. Phys. Lett., 1985, 116, 50. [all data]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [all data]
Utsunomiya, Kobayashi, et al., 1975
Utsunomiya, C.; Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of substituted naphthalenes,
Bull. Chem. Soc. Jpn., 1975, 48, 1852. [all data]
Occolowitz and White, 1968
Occolowitz, J.L.; White, G.L.,
Energetic considerations in the assignment of some fragment ion structures,
Australian J. Chem., 1968, 21, 997. [all data]
Taft, 1987
Taft, R.W.,
The Nature and Analysis of Substitutent Electronic Effects,
Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation 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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