Naphthalene, 1,2-dihydro-
- Formula: C10H10
- Molecular weight: 130.1864
- IUPAC Standard InChI: InChI=1S/C10H10/c1-2-6-10-8-4-3-7-9(10)5-1/h1-3,5-7H,4,8H2
- IUPAC Standard InChIKey: KEIFWROAQVVDBN-UHFFFAOYSA-N
- CAS Registry Number: 447-53-0
- 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: Dialin; δ1-Dialin; 1,2-Dialin; 1,2-Dihydronaphthalene; Diolin
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Phase change data
Go To: Top, Reaction thermochemistry 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
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 54.8 ± 0.1 | kJ/mol | IP,EB | Chirico and Steele, 2008 | AC |
| ΔvapH° | 51.9 ± 0.4 | kJ/mol | GS | Verevkin, 1999 | Based on data from 274. to 319. K.; AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 362.2 | 0.021 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 53.4 ± 0.1 | 320. | IP,EB | Chirico and Steele, 2008 | AC |
| 50.8 ± 0.1 | 360. | IP,EB | Chirico and Steele, 2008 | AC |
| 48.4 ± 0.1 | 400. | IP,EB | Chirico and Steele, 2008 | AC |
| 45.9 ± 0.1 | 440. | IP,EB | Chirico and Steele, 2008 | AC |
| 51.9 ± 0.4 | 296. | GS | Verevkin, 1999 | Based on data from 274. to 319. K.; AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 10.53 | 264.4 | AC | Chirico and Steele, 2008 | Authors report two solid/solid phase transitions having negligible enthalpy of transition; AC |
Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
By formula: H2 + C10H10 = C10H12
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -100.83 ± 0.83 | kJ/mol | Chyd | Williams, 1942 | liquid phase; solvent: Acetic acid; At 302 K |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chirico and Steele, 2008
Chirico, Robert D.; Steele, William V.,
Thermodynamic properties of 1,2-dihydronaphthalene: Glassy crystals and missing entropy,
The Journal of Chemical Thermodynamics, 2008, 40, 5, 806-817, https://doi.org/10.1016/j.jct.2008.01.009
. [all data]
Verevkin, 1999
Verevkin, Sergey P.,
Thermochemical investigation on α-methyl-styrene and parent phenyl substituted alkenes,
Thermochimica Acta, 1999, 326, 1-2, 17-25, https://doi.org/10.1016/S0040-6031(98)00585-1
. [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]
Williams, 1942
Williams, R.B.,
Heats of catalytic hydrogenation in solution. I. Apparatus, technique, and the heats of hydrogenation of certain pairs of stereoisomers,
J. Am. Chem. Soc., 1942, 64, 1395-1404. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction 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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