Naphthalene, 1,5-dimethyl-
- Formula: C12H12
- Molecular weight: 156.2237
- IUPAC Standard InChIKey: SDDBCEWUYXVGCQ-UHFFFAOYSA-N
- CAS Registry Number: 571-61-9
- 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: 1,5-Dimethylnaphthalene
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Gas phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
41.6 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. |
71.9 | 100. | ||
101.1 | 150. | ||
130.4 | 200. | ||
174.3 | 273.15 | ||
189.3 | 298.15 | ||
190.4 | 300. | ||
246.7 | 400. | ||
294.6 | 500. | ||
333.7 | 600. | ||
365.9 | 700. | ||
392.5 | 800. | ||
414.9 | 900. | ||
433.8 | 1000. | ||
450. | 1100. | ||
464. | 1200. | ||
475. | 1300. | ||
486. | 1400. | ||
494. | 1500. |
Phase change data
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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:
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 | 538.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 542.3 | K | N/A | Kruber and Oberkobusch, 1951 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 538. | K | N/A | Bailey, Bryant, et al., 1947 | Uncertainty assigned by TRC = 6. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 351. | K | N/A | Kotula and Rabczuk, 1985 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 354. | K | N/A | Cocker, Cross, et al., 1953 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 355.15 | K | N/A | Luther and Riechel, 1950 | Uncertainty assigned by TRC = 0.5 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
64.1 | 398. | GC | Lei, Chankalal, et al., 2002 | Based on data from 323. to 473. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20. | 355.2 | DSC | Cheon and Kim, 2007 | AC |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, 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
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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 | Japan AIST/NIMC Database- Spectrum MS-NW-4406 |
NIST MS number | 228336 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, 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.
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [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]
Kruber and Oberkobusch, 1951
Kruber, O.; Oberkobusch, R.,
Chem. Ber., 1951, 84, 826. [all data]
Bailey, Bryant, et al., 1947
Bailey; Bryant; Hancock; Morrell; Smith, J.O.,
The ten dimethylnaphthalenes, their physical properties, molecular compounds, and ultra-violet spectra,
J. Inst. Pet., 1947, 33, 503. [all data]
Kotula and Rabczuk, 1985
Kotula, I.; Rabczuk, A.,
DTA Investigation of the Solid-Liquid Equilibrium for Mehtyl Derivatives of Naphthalene with Some Nitroaromatics,
J. Therm. Anal., 1985, 30, 195. [all data]
Cocker, Cross, et al., 1953
Cocker, W.; Cross, B.E.; Edward, D.S.; Jenkinson, D.S.; McCormick, J.,
J. Chem. Soc., 1953, 1953, 2355-62. [all data]
Luther and Riechel, 1950
Luther, H.; Riechel, C.,
The Raman Spectra of Polymethylnphthalenes,
Z. Phys. Chem. (Leipzig), 1950, 195, 103. [all data]
Lei, Chankalal, et al., 2002
Lei, Ying Duan; Chankalal, Raymond; Chan, Anita; Wania, Frank,
Supercooled Liquid Vapor Pressures of the Polycyclic Aromatic Hydrocarbons,
J. Chem. Eng. Data, 2002, 47, 4, 801-806, https://doi.org/10.1021/je0155148
. [all data]
Cheon and Kim, 2007
Cheon, Yang-Ho; Kim, Kwang-Joo,
Solid-Liquid Equilibria of Binary Mixtures of Dimethylnaphthalene Isomers,
J. Chem. Eng. Data, 2007, 52, 4, 1390-1393, https://doi.org/10.1021/je700088n
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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