Heptane, 3,3,5-trimethyl-
- Formula: C10H22
- Molecular weight: 142.2817
- IUPAC Standard InChIKey: VRVRZZWPKABUOE-UHFFFAOYSA-N
- CAS Registry Number: 7154-80-5
- 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: 3,3,5-Trimethylheptane
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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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 428.8 | K | N/A | Anonymous, 1952 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 434.7 | K | N/A | Foehr and Fenske, 1949 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tboil | 428.83 | K | N/A | Pomerantz, Mears, et al., 1949 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 609.5 ± 0.5 | K | N/A | Daubert, 1996 | |
Tc | 609.55 | K | N/A | Ambrose and Townsend, 1968 | Uncertainty assigned by TRC = 0.15 K; extrapolated back to zero time to correct for decomposition; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 22.9 ± 0.4 | atm | N/A | Daubert, 1996 | |
Pc | 22.87 | atm | N/A | Ambrose and Townsend, 1968 | Uncertainty assigned by TRC = 0.20 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 11.0 | kcal/mol | N/A | Reid, 1972 | 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, 1952
Anonymous, R.,
, Physical Properties of Chemical Substances, Dow Chemical Co., 1952. [all data]
Foehr and Fenske, 1949
Foehr, E.G.; Fenske, M.R.,
Magneto-optic Rotation of Hydrocarbons,
Ind. Eng. Chem., 1949, 41, 1956. [all data]
Pomerantz, Mears, et al., 1949
Pomerantz, P.; Mears, T.W.; Howard, F.L.,
Separation and Identification of the Major C1 to C10 Components of Triptene Residue,
J. Res. Natl. Bur. Stand. (U. S.), 1949, 42, 617-32. [all data]
Daubert, 1996
Daubert, T.E.,
Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes,
J. Chem. Eng. Data, 1996, 41, 365-372. [all data]
Ambrose and Townsend, 1968
Ambrose, D.; Townsend, R.,
Critical Temperatures and Pressures of Some Alkanes,
Trans. Faraday Soc., 1968, 64, 2622. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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