Heptane, 2,6-dimethyl-
- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChIKey: KBPCCVWUMVGXGF-UHFFFAOYSA-N
- CAS Registry Number: 1072-05-5
- 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: 2,6-Dimethylheptane
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Phase change data
Go To: Top, 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
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 | 408. ± 2. | K | AVG | N/A | Average of 17 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 169.55 | K | N/A | Henne and Chanan, 1944 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 170.11 | K | N/A | White, Rose, et al., 1939 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 169.91 | K | N/A | White, Rose, et al., 1939 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.3 | 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.
Henne and Chanan, 1944
Henne, A.L.; Chanan, H.H.,
Diolefins from Allylic Chlorides II.,
J. Am. Chem. Soc., 1944, 66, 392. [all data]
White, Rose, et al., 1939
White, J.D.; Rose, F.W.; Calingaert, G.; Soroos, H.,
2,6-dimethylheptane: its synthesis, properties, and comparison with an isononane from petroleum,
J. Res. Natl. Bur. Stand. (U. S.), 1939, 22, 315. [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
Go To: Top, Phase change data, References
- 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.