Naphthalene
- Formula: C10H8
- Molecular weight: 128.1705
- IUPAC Standard InChIKey: UFWIBTONFRDIAS-UHFFFAOYSA-N
- CAS Registry Number: 91-20-3
- 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. - Isotopologues:
- Other names: Albocarbon; Dezodorator; Moth flakes; Naphthalin; Naphthaline; Naphthene; Tar camphor; White tar; Camphor tar; Moth balls; Naftalen; NCI-C52904; Mighty 150; Mighty RD1; Rcra waste number U165; UN 1334; UN 2304; NSC 37565
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Condensed phase thermochemistry data
Go To: Top, 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 52.005 | cal/mol*K | N/A | Chirico, Knipmeyer, et al., 1993 | DH |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | 18. ± 2. | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1232. ± 5. | kcal/mol | AVG | N/A | Average of 18 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 40.010 | cal/mol*K | N/A | McCullough, Finke, et al., 1957 | DH |
S°solid,1 bar | 38.920 | cal/mol*K | N/A | Southard and Brickwedde, 1933 | DH |
S°solid,1 bar | 39.880 | cal/mol*K | N/A | Pearce and Tanner, 1934 | Extrapolation below 90 K, 58.32 J/mol*K.; DH |
S°solid,1 bar | 39.89 | cal/mol*K | N/A | Huffman, Parks, et al., 1930 | Extrapolation below 90 K, 53.09 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
46.859 | 298.15 | Chirico, Knipmeyer, et al., 1993 | T = 260 to 700 K.; DH |
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
50.9 | 330. | David, 1964 | T = 298 to 353 K. Mean value. T = uncertain.; DH |
45.03 | 342. | Rastogi and Bassi, 1964 | T = 342, 384 K.; DH |
39.601 | 298.15 | McCullough, Finke, et al., 1957 | T = 10 to 370 K.; DH |
37.31 | 298.15 | Ueberreiter and Orthmann, 1950 | T = 293 to 368 K. Equation only.; DH |
46.80 | 298.1 | Eibert, 1944 | T = 30 to 200°C, equations only in t°C. Cp(c) = 0.365 cal/g*K (30 to 80°C); Cp(liq) = 0.329 + 0.000824t cal/g*K (80 to 200°C).; DH |
38.60 | 298.1 | Schmidt, 1941 | T = 22 to 200°C, equations only, in t°C. Cp(c) = 0.2595 + 0.001672t cal/g*K (22 to 80°C); Cp(liq) = 0.3360 + 0.0008180t cal/g*K (80 to 200°C).; DH |
40.179 | 301.58 | Hicks, 1938 | T = 58 to 304 K. Value is unsmoothed experimental datum.; DH |
40.170 | 297.6 | Pearce and Tanner, 1934 | T = 94 to 298 K. Value is unsmoothed experimental datum.; DH |
39.551 | 294.68 | Southard and Brickwedde, 1933 | T = 15 to 295 K. Value is unsmoothed experimental datum.; DH |
40.39 | 303. | Spaght, Thomas, et al., 1932 | T = 30 to 190°C.; DH |
39.10 | 295.1 | Huffman, Parks, et al., 1930 | T = 91 to 295 K.; DH |
38.10 | 298. | Andrews, Lynn, et al., 1926 | T = 12 to 300°C.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chirico, Knipmeyer, et al., 1993
Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Steele, W.V.,
The thermodynamic properties to the temperature 700 K of naphthalene and of 2,7-dimethylnaphthalene,
J. Chem. Thermodyn., 1993, 25, 1461-1494. [all data]
McCullough, Finke, et al., 1957
McCullough, J.P.; Finke, H.L.; Messerly, J.F.; Kincheloe, T.C.; Waddington, G.,
The low temperature thermodynamic properties of naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, 1,2,3,4-tetrahydronaphthalene, trans-decahydronaphthalene and cis-decahydronaphthalene,
J. Phys. Chem., 1957, 61, 1105-1116. [all data]
Southard and Brickwedde, 1933
Southard, J.C.; Brickwedde, F.G.,
Low temperature specific heats. I. An improved calorimeter for use from 14 to 300 K. The heat capacity and entropy of naphthalene. J. Am. Chem. Soc., 1933, 4378-4384. [all data]
Pearce and Tanner, 1934
Pearce, J.N.; Tanner, W.B.,
The heat capacity and the free energy of formation of naphthalene,
Proc. Iowa Acad. Sci., 1934, 41, 123-126. [all data]
Huffman, Parks, et al., 1930
Huffman, H.M.; Parks, G.S.; Daniels, A.C.,
Thermal data on organic compounds. VII. The heat capacities, entropies and free energies of twelve aromatic hydrocarbons,
J. Am. Chem. Soc., 1930, 52, 1547-1558. [all data]
David, 1964
David, D.J.,
Determination of specific heat and heat of fusion by differential thermal analysis. Study of theory and operating parameters,
Anal. Chem., 1964, 36, 2162-2166. [all data]
Rastogi and Bassi, 1964
Rastogi, R.P.; Bassi, P.S.,
Mechanism of eutectic crystallization,
J. Phys. Chem., 1964, 68, 2398-2406. [all data]
Ueberreiter and Orthmann, 1950
Ueberreiter, K.; Orthmann, H.-J.,
Specifische Wärme, spezifisches Volumen, Temperatur- und Wärme-leittähigkeit einiger disubstituierter Benzole und polycyclischer Systeme,
Z. Natursforsch. 5a, 1950, 101-108. [all data]
Eibert, 1944
Eibert, J.,
Thesis Washington University (St. Louis), 1944. [all data]
Schmidt, 1941
Schmidt, W.R.,
Thesis Washington University (St. Louis), 1941. [all data]
Hicks, 1938
Hicks, J.F.G., Jr.,
A low temperature calorimeter. The heat capacity and entropy of thallium from 14 to 300°K. Low temperature studies. No. 3,
J. Am. Chem. Soc., 1938, 60, 1000-1004. [all data]
Spaght, Thomas, et al., 1932
Spaght, M.E.; Thomas, S.B.; Parks, G.S.,
Some heat capacity data on organic compounds obtained with a radiation calorimeter,
J. Phys. Chem., 1932, 36, 882-888. [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, 1274-1287. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid S°liquid Entropy of liquid at standard conditions S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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