1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)-
- Formula: C10H16
- Molecular weight: 136.2340
- IUPAC Standard InChIKey: YHQGMYUVUMAZJR-UHFFFAOYSA-N
- CAS Registry Number: 99-86-5
- 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: α-Terpinene; α-Terpinen; p-Mentha-1,3-diene; Terpilene; 1-Isopropyl-4-methyl-1,3-cyclohexadiene; 1-methyl-4-(1-methylethyl)-1,3-cyclohexadiene; 1,3-Cyclohexadiene, 1-methyl-4-isopropyl-; 1-Methyl-4-isopropylcyclohexadiene-1,3; α-Terpine; 1-Methyl-4-isopropyl-1,3-cyclohexadiene; alpha-Terpinene; 1-Isopropyl-4-methyl-cyclohexa-1,3-diene; 1-Methyl-4-(1-methyl)-1,3-cyclohexadiene
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Condensed phase 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -5985.2 | kJ/mol | Ccb | Auwsers, Roth, et al., 1910 | Corresponding ΔfHºliquid = -236. kJ/mol (simple calculation by NIST; no Washburn corrections) |
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:
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 | 447.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 446.65 | K | N/A | Lecat, 1943 | Uncertainty assigned by TRC = 0.4 K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
447.7 | 1.01 | Weast and Grasselli, 1989 | BS |
Reaction thermochemistry data
Go To: Top, Condensed 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: 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: 2H2 + C10H16 = C10H20
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -210.1 ± 1.3 | kJ/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -212.2 ± 1.3 kJ/mol; At 355 °K |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Auwsers, Roth, et al., 1910
Auwsers, K.; Roth, W.A.; Eisenlohr, F.,
III. Verbrennungswarmen von Terpenen und Styrolen,
Justus Liebigs Ann. Chem., 1910, 267-290. [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]
Lecat, 1943
Lecat, M.,
Azeotropes of Ethyl Urethane and other Azeotropes,
C. R. Hebd. Seances Acad. Sci., 1943, 217, 273. [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]
Dolliver, Gresham, et al., 1937
Dolliver, M.a.; Gresham, T.L.; Kistiakowsky, G.B.; Vaughan, W.E.,
Heats of organic reactions. V. Heats of hydrogenation of various hydrocarbons,
J. Am. Chem. Soc., 1937, 59, 831-841. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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