4,4-Dimethyl octane
- Formula: C10H22
- Molecular weight: 142.2817
- IUPAC Standard InChIKey: ZMEDGZAGMLTROM-UHFFFAOYSA-N
- CAS Registry Number: 15869-95-1
- 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: Octane, 4,4-dimethyl-
- 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, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, 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 | 430.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 428. | K | N/A | Petrov, Sushchinskii, et al., 1957 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 426.15 | K | N/A | Chel'tsova, Chernyshev, et al., 1955 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 430.65 | K | N/A | Levina, Tantsyreva, et al., 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 11.5 | kcal/mol | N/A | Reid, 1972 | AC |
Gas phase ion energetics data
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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: Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H15+ | 10.20 | C3H7 | EI | Lossing and Holmes, 1984 | |
C9H19+ | 10.10 | CH3 | EI | Lossing and Holmes, 1984 |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3702 |
NIST MS number | 227577 |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 100. | 918. | Heinzen, Soares, et al., 1999 | |
Capillary | DB-1 | 60. | 921. | Lubeck and Sutton, 1983 | Column length: 60. m; Column diameter: 0.264 mm |
Capillary | DB-1 | 60. | 921. | Lubeck and Sutton, 1983 | 60. m/0.259 mm/1. μm |
Capillary | Squalane | 60. | 918. | Chretien and Dubois, 1976 | |
Capillary | Squalane | 100. | 920. | Mitra, Mohan, et al., 1974 | H2; Column length: 50. m; Column diameter: 0.2 mm |
Capillary | Squalane | 60. | 918. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Capillary | Squalane | 80. | 921. | Schomburg, 1967 | Ar; Column length: 100. m |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 920. | Hayes and Pitzer, 1982 | 110. m/0.25 mm/0.20 μm, He, 1. K/min; Tstart: 35. C; Tend: 200. C |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 930. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Capillary | Squalane | 917. | Korol and Lysyuk, 1980 | Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 921. | Krupcík, Repka, et al., 1987 | 60. m/0.25 mm/1. μm, H2, 1. K/min; Tstart: 60. C |
Capillary | OV-101 | 920. | Hayes and Pitzer, 1981 | 108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Apiezon L | 40. to 190. | 925. | Mann, Mühlstädt, et al., 1967 | Column length: 2. m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-54 | 920. | Guan, Li, et al., 1995 | 60. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 918. | Du and Liang, 2003 | Program: not specified |
Capillary | Polydimethyl siloxane | 918. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 920. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Petrov, Sushchinskii, et al., 1957
Petrov, A.D.; Sushchinskii, V.L.; Zakharov, E.P.; Rogozhnikova, T.I.,
Synthesis of Branched ALiphatic C10-C15 Hydrocarbons by the Grignard and the Grignard-Wurtz Reactions,
Zh. Obshch. Khim., 1957, 27, 467. [all data]
Chel'tsova, Chernyshev, et al., 1955
Chel'tsova, M.A.; Chernyshev, E.A.; Petrov, A.D.,
Behaviour of Alkenyl Halides with Unsaturated Bond in γ-, δ, ε-Postion in Condenstation Reactions with Alkyl Halides in the Presence of Magnesium,
Izv. Akad. Nauk SSSR, 1955, 1955, 522-7. [all data]
Levina, Tantsyreva, et al., 1952
Levina, R.Ya.; Tantsyreva, T.I.; Fainzil'berg, A.A.,
Synthesis of Hydrocarbons XX. Synthesis of Alkenes and Alkanes with A Quarternary Carbon Atom,
Zh. Obshch. Khim., 1952, 22, 571. [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]
Lossing and Holmes, 1984
Lossing, F.P.; Holmes, J.L.,
Stabilization energy and ion size in carbocations in the gas phase,
J. Am. Chem. Soc., 1984, 106, 6917. [all data]
Heinzen, Soares, et al., 1999
Heinzen, V.E.F.; Soares, M.F.; Yunes, R.A.,
Semi-empirical topological method for the prediction of the chromatographic retention of cis- and trans-alkene isomers and alkanes,
J. Chromatogr. A, 1999, 849, 2, 495-506, https://doi.org/10.1016/S0021-9673(99)00530-0
. [all data]
Lubeck and Sutton, 1983
Lubeck, A.J.; Sutton, DL.,
Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 6, 328-332, https://doi.org/10.1002/jhrc.1240060612
. [all data]
Chretien and Dubois, 1976
Chretien, J.R.; Dubois, J.-E.,
New Perspectives in the Prediction of Kovats Indices,
J. Chromatogr., 1976, 126, 171-189, https://doi.org/10.1016/S0021-9673(01)84071-1
. [all data]
Mitra, Mohan, et al., 1974
Mitra, G.D.; Mohan, G.; Sinha, A.,
Gas chromatographic analysis of complex hydrocarbon mixtures,
J. Chromatogr. A, 1974, 91, 633-648, https://doi.org/10.1016/S0021-9673(01)97944-0
. [all data]
Matukuma, 1969
Matukuma, A.,
Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data,
Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 1969, 7, 55-75. [all data]
Schomburg, 1967
Schomburg, G.,
Struktur und Retentionsverhalten von Offenkettigen und Cyclischen Kohlenwasserstoffen und Deren Einfacher Substitutionsprodukte,
Anal. Chim. Acta., 1967, 38, 45-64, https://doi.org/10.1016/S0003-2670(01)80560-2
. [all data]
Hayes and Pitzer, 1982
Hayes, P.C., Jr.; Pitzer, E.W.,
Characterizing petroleum- and shale-derived jet fuel distillates via temperature-programmed Kováts indices,
J. Chromatogr., 1982, 253, 179-198, https://doi.org/10.1016/S0021-9673(01)88376-X
. [all data]
Hoekman, 1993
Hoekman, S.K.,
Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions,
J. Chromatogr., 1993, 639, 2, 239-253, https://doi.org/10.1016/0021-9673(93)80260-F
. [all data]
Korol and Lysyuk, 1980
Korol, A.N.; Lysyuk, L.S.,
A New Thermodynamic Method for Calculating the Retention Indices of Isoalkanes on Squalane,
Theor. Exp. Chem. (Engl. Transl.), 1980, 6, 577-584. [all data]
Krupcík, Repka, et al., 1987
Krupcík, J.; Repka, D.; Hevesi, T.; Garaj, J.,
Use of Kováts retention indices for characterizing solutes in complex samples separated by linear temperature-programmed capillary gas-liquid chromatography,
J. Chromatogr., 1987, 406, 117-129, https://doi.org/10.1016/S0021-9673(00)94022-6
. [all data]
Hayes and Pitzer, 1981
Hayes, P.C., Jr.; Pitzer, E.W.,
Kovats indices as a tool in characterizing hydrocarbon fuels in temperature programmed glass capillary gas chromatography. Part 1. Qualitative identification, Inhouse rpt. for Air Force Wright Aeronautical Labs., Air Force Wright Aeronautical Labs., Wright-Patterson AFB, Ohio, 1981, 75. [all data]
Mann, Mühlstädt, et al., 1967
Mann, G.; Mühlstädt, M.; Braband, J.; Döring, E.,
Konformation und physikalische daten von alkanen und cyclanen. II. Einfach und zweifach verzweigte alkane,
Tetrahedron, 1967, 23, 8, 3393-3401, https://doi.org/10.1016/S0040-4020(01)92305-1
. [all data]
Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L.,
Live retention database for compound identification in capillary gas chromatography,
Chin. J. Chromatogr., 1995, 13, 5, 851-857. [all data]
Du and Liang, 2003
Du, Y.; Liang, Y.,
Data mining for seeking accurate quantitative relationship between molecular structure and GC retention indices of alkanes by projection pursuit,
Comput. Biol. Chem., 2003, 27, 3, 339-353, https://doi.org/10.1016/S1476-9271(02)00081-6
. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling 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.