Naphthalene, 1,4-dimethyl-
- Formula: C12H12
- Molecular weight: 156.2237
- IUPAC Standard InChIKey: APQSQLNWAIULLK-UHFFFAOYSA-N
- CAS Registry Number: 571-58-4
- 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: 1,4-Dimethylnaphthalene; 1,4-Dimethylnapthalene
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 541.6 | K | N/A | Anonymous, 1949 | Uncertainty assigned by TRC = 1. K; TRC |
Tboil | 536. | K | N/A | Bailey, Bryant, et al., 1947 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 539. | K | N/A | Newman and Hussey, 1947 | Uncertainty assigned by TRC = 5. K; TRC |
Tboil | 537. | K | N/A | Barnett and Sanders, 1933 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 279. ± 20. | K | AVG | N/A | Average of 12 values; Individual data points |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
536.2 | 0.988 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
2.53 | 279.2 | DSC | Cheon and Kim, 2007 | AC |
2.53 | 279.9 | N/A | 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.
Anonymous, 1949
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1949. [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]
Newman and Hussey, 1947
Newman, M.S.; Hussey, A.S.,
The Synthesis and Optical Resolution oif 4,5,8-Trimethyl-1-pheanthrylacetic Acid,
J. Am. Chem. Soc., 1947, 69, 3023. [all data]
Barnett and Sanders, 1933
Barnett, E.B.; Sanders, F.G.,
The synthesis of some homologous naphthalenes,
J. Chem. Soc., 1933, 1933, 434. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]
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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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