Octane, 4-methyl-
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChIKey: DOGIHOCMZJUJNR-UHFFFAOYSA-N
- CAS Registry Number: 2216-34-4
- 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. - Species with the same structure:
- Other names: 4-Methyloctane; 1,3-Dimethylheptane
- Information on this page:
- Other data available:
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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 | 415. ± 1. | K | AVG | N/A | Average of 16 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 219.62 | K | N/A | Pomerantz, Fookson, et al., 1954 | Uncertainty assigned by TRC = 0.2 K; This value was reported, but seems much too high in comparison to the melting point of n-nonane; TRC |
Tfus | 159.95 | K | N/A | Slabey and Wise, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 154.02 | K | N/A | White and Glasgow, 1937 | Uncertainty assigned by TRC = 0.15 K; TRC |
Tfus | 159.85 | K | N/A | White and Glasgow, 1937 | Uncertainty assigned by TRC = 0.15 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.6 | kcal/mol | N/A | Reid, 1972 | See also Labbauf, Greenshields, et al., 1961.; 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.
Pomerantz, Fookson, et al., 1954
Pomerantz, P.; Fookson, A.; Mears, T.W.; Rothberg, S.; Howard, F.L.,
Synth. and Phys. Prop. of Several Aliphatic and Alicyclic Hydrocarbons hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1954, 52, 59-65. [all data]
Slabey and Wise, 1952
Slabey, V.A.; Wise, P.H.,
Hydrogenation of 2-Cyclopropyl-1- and -2-Alkenes. Isolation and Purification of 2-Cyclopropylalkanes,
J. Am. Chem. Soc., 1952, 74, 3887. [all data]
White and Glasgow, 1937
White, J.D.; Glasgow, A.R.,
Separation of the Three Methyl Octanes from Midcontinent Petroleum,
J. Res. Natl. Bur. Stand. (U. S.), 1937, 19, 423. [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]
Labbauf, Greenshields, et al., 1961
Labbauf, A.; Greenshields, J.B.; Rossini, F.D.,
Heats of formation, combustion, and vaporization of the 35 nonanes and 75 decanes,
J. Chem. Eng. Data, 1961, 6, 261-263. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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