Naphthalene, 1,2-dimethyl-
- Formula: C12H12
- Molecular weight: 156.2237
- IUPAC Standard InChIKey: QNLZIZAQLLYXTC-UHFFFAOYSA-N
- CAS Registry Number: 573-98-8
- 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: 1,2-Dimethylnaphthalene
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Gas phase thermochemistry data
Go To: Top, 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
41.3 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. |
71.1 | 100. | ||
99.9 | 150. | ||
128.9 | 200. | ||
172.9 | 273.15 | ||
188.0 | 298.15 | ||
189.1 | 300. | ||
246.0 | 400. | ||
294.2 | 500. | ||
333.7 | 600. | ||
365.9 | 700. | ||
392.6 | 800. | ||
415.0 | 900. | ||
433.9 | 1000. | ||
450. | 1100. | ||
464. | 1200. | ||
476. | 1300. | ||
486. | 1400. | ||
495. | 1500. |
Phase change data
Go To: Top, Gas 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 539.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 541.7 | K | N/A | Kruber and Oberkobusch, 1951 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 498. | K | N/A | Reppe, Schlichting, et al., 1948 | Uncertainty assigned by TRC = 30. K; TRC |
Tboil | 539. | K | N/A | Bailey, Bryant, et al., 1947 | Uncertainty assigned by TRC = 6. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 270.15 | K | N/A | Luther and Riechel, 1950 | Uncertainty assigned by TRC = 0.7 K; TRC |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, 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 compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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-1992 |
NIST MS number | 228344 |
References
Go To: Top, Gas phase thermochemistry data, Phase change 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.
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]
Reppe, Schlichting, et al., 1948
Reppe, W.; Schlichting, O.; Meister, H.,
Cyclizing Polymeriztion of Acetylene II. The Hydrocarbons C10H10 and Azulene,
Justus Liebigs Ann. Chem., 1948, 560, 93. [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]
Luther and Riechel, 1950
Luther, H.; Riechel, C.,
The Raman Spectra of Polymethylnphthalenes,
Z. Phys. Chem. (Leipzig), 1950, 195, 103. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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