Isobutane

Formula: C₄H₁₀
Molecular weight: 58.1222
IUPAC Standard InChI: InChI=1S/C4H10/c1-4(2)3/h4H,1-3H3
IUPAC Standard InChIKey: NNPPMTNAJDCUHE-UHFFFAOYSA-N
CAS Registry Number: 75-28-5
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: Propane, 2-methyl-; Trimethylmethane; 1,1-Dimethylethane; 2-Methylpropane; iso-C4H10; i-Butane; UN 1969; R 600a; tert-Butane; A 31; Methylpropane; A 31 (hydrocarbon)
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Other data available:
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- Microwave spectra (on physics lab web site)
- Gas Phase Kinetics Database
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Gas phase thermochemistry data

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Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_gas	-32.07 ± 0.15	kcal/mol	Ccb	Pittam and Pilcher, 1972	ALS
Δ_fH°_gas	-32.42 ± 0.13	kcal/mol	Cm	Prosen, Maron, et al., 1951	see Prosen and Rossini, 1945, Rossini, 1935; ALS
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_gas	-685.71 ± 0.14	kcal/mol	Ccb	Pittam and Pilcher, 1972	Corresponding Δ_fHº_gas = -32.07 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δ_cH°_gas	-685.37 ± 0.11	kcal/mol	Cm	Prosen, Maron, et al., 1951	see Prosen and Rossini, 1945, Rossini, 1935; Corresponding Δ_fHº_gas = -32.41 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

C_p,gas (cal/mol*K)	Temperature (K)	Reference	Comment
8.320	50.	Chen S.S., 1975	Recommended values are in good agreement with those calculated by [ Pitzer K.S., 1946].; GT
11.30	100.
14.41	150.
17.17	200.
21.49	273.15
23.10	298.15
23.22	300.
29.739	400.
35.669	500.
40.719	600.
45.000	700.
48.671	800.
51.850	900.
54.601	1000.
57.000	1100.
59.070	1200.
60.880	1300.
62.450	1400.
63.819	1500.

Constant pressure heat capacity of gas

C_p,gas (cal/mol*K)	Temperature (K)	Reference	Comment
19.67 ± 0.01	243.15	Ernst G., 1970	Other experimental values of heat capacity [ Sage B.H., 1937, Sage B.H., 1938] are less accurate, see [ Chen S.S., 1975]. Please also see Dailey B.P., 1943, Wacker P.F., 1947.; GT
21.50 ± 0.01	273.15
22.76 ± 0.024	293.15
24.061 ± 0.024	313.15
25.423 ± 0.026	333.15
26.209	347.6
26.707 ± 0.026	353.15
26.900	359.4
28.590	387.5
32.751	452.5
36.551	520.9
38.549	561.7
40.559	605.3
44.259	692.7

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, References, Notes

Data compiled as indicated in comments:
B - John E. Bartmess
ALS - 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

C₄H₉^- + = Isobutane

By formula: C₄H₉^- + H⁺ = C₄H₁₀

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	412.9 ± 2.0	kcal/mol	Bran	DePuy, Gronert, et al., 1989	gas phase; B
Δ_rH°	414.7 ± 4.8	kcal/mol	Bran	Peerboom, Rademaker, et al., 1992	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	404.3 ± 2.1	kcal/mol	H-TS	DePuy, Gronert, et al., 1989	gas phase; B
Δ_rG°	406.1 ± 4.9	kcal/mol	H-TS	Peerboom, Rademaker, et al., 1992	gas phase; B

C₄H₉^- + = Isobutane

By formula: C₄H₉^- + H⁺ = C₄H₁₀

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	413.1 ± 2.0	kcal/mol	Bran	DePuy, Gronert, et al., 1989	gas phase; B
Δ_rH°	414.0 ± 2.0	kcal/mol	Bran	DePuy, Bierbaum, et al., 1984	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
Δ_rG°	405.7 ± 2.1	kcal/mol	H-TS	DePuy, Gronert, et al., 1989	gas phase; B

+ = Isobutane

By formula: C₄H₈ + H₂ = C₄H₁₀

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-28.15 ± 0.10	kcal/mol	Chyd	Kistiakowsky, Ruhoff, et al., 1935	gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -28.39 ± 0.18 kcal/mol; At 355 °K; ALS

= Isobutane

By formula: C₄H₁₀ = C₄H₁₀

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-2.318	kcal/mol	Eqk	Pines, Kvetinskas, et al., 1945	gas phase; Heat of isomerization; ALS

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg) NOTE: High partial pressure may produce unreliable values in the range of 2500 to 3400 cm-1; see scan of original spectrum.; DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, References, Notes

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type	Active phase	Temperature (C)	I	Reference	Comment
Capillary	CP Sil 2	60.	361.1	Estel, Mohnke, et al., 1995	100. m/0.25 mm/0.25 μm
Capillary	CP Sil 5 CB	20.	366.	Do and Raulin, 1992	25. m/0.15 mm/2. μm, H2
Capillary	Squalane	50.	366.7	Lunskii and Paizanskaya, 1988	He; Column length: 50. m; Column diameter: 0.22 mm
Capillary	Squalane	70.	367.4	Lunskii and Paizanskaya, 1988	He; Column length: 50. m; Column diameter: 0.22 mm
Capillary	SE-30	60.	365.	Bredael, 1982	Column length: 100. m; Column diameter: 0.5 mm
Capillary	OV-1	20.	365.	Nijs and Jacobs, 1981	He; Column length: 150. m; Column diameter: 0.50 mm
Capillary	Squalane	50.	364.6	Schröder, 1980
Capillary	Squalane	100.	366.	Lulova, Leont'eva, et al., 1976	He; Column length: 120. m; Column diameter: 0.25 mm
Capillary	Squalane	40.	371.	Matukuma, 1969	N2; Column length: 91.4 m; Column diameter: 0.25 mm
Packed	Squalane	27.	365.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	Squalane	49.	366.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	Squalane	67.	366.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	Squalane	86.	366.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	SE-30	70.	369.	Widmer, 1967	Diatoport S; Column length: 7.9 m
Packed	Squalane	26.	363.	Zulaïca and Guiochon, 1966	Column length: 10. m

Kovats' RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	Petrocol DH-100	366.	Haagen-Smit Laboratory, 1997	He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min)
Capillary	DB-1	362.	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

Kovats' RI, polar column, isothermal

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Column type	Active phase	Temperature (C)	I	Reference	Comment
Packed	Carbowax 20M	130.	369.	Widmer, 1967	Diatoport P; Column length: 7.9 m
Packed	Carbowax 20M	70.	372.	Widmer, 1967	Diatoport P; Column length: 7.9 m

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	OV-101	354.2	Yin, Liu, et al., 2001	N2, 1. K/min; Column length: 80. m; Column diameter: 0.22 mm; T_start: 30. C; T_end: 130. C
Capillary	Petrocol DH	353.99	Subramaniam, Bochniak, et al., 1994	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Petrocol DH	353.53	White, Douglas, et al., 1992	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Petrocol DH	353.53	White, Douglas, et al., 1992	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Petrocol DH	353.	White, Hackett, et al., 1992	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	OV-101	354.	Wu and Lu, 1984	Program: not specified

Normal alkane RI, non-polar column, isothermal

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Column type	Active phase	Temperature (C)	I	Reference	Comment
Capillary	Methyl Silicone	50.	366.	N/A	N2; Column length: 74.6 m; Column diameter: 0.28 mm
Packed	Methyl Silicone	50.	364.	Huguet, 1961	Nitrogen, Celite C-22; Column length: 2.5 m

Normal alkane RI, non-polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	Polydimethyl siloxane: CP-Sil 5 CB	359.	Bramston-Cook, 2013	60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min
Capillary	Petrocol DH	354.	Supelco, 2012	100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min
Capillary	PONA	354.	Zhang, Ding, et al., 2009	50. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min
Capillary	OV-1	354.8	Krkosova, Kubinec, et al., 2007	100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; T_start: 30. C
Capillary	BP-1	364.	Health Safety Executive, 2000	50. m/0.22 mm/0.75 μm, He, 5. K/min; T_start: 50. C; T_end: 200. C
Capillary	DB-1	355.	Ciccioli, Cecinato, et al., 1992	60. m/0.32 mm/1.2 μm, He, 30. C @ 10. min, 3. K/min; T_end: 240. C

Normal alkane RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	Methyl Silicone	366.	Chen and Feng, 2007	Program: not specified
Capillary	Methyl Silicone	362.	Blunden, Aneja, et al., 2005	60. m/0.32 mm/1.0 μm, Helium; Program: -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min)
Capillary	OV-101	366.	Du and Liang, 2003	Program: not specified
Capillary	PONA	368.	Perkin Elmer Instruments, 2002	Column length: 100. m; Phase thickness: 0.50 μm; Program: not specified
Capillary	Polydimethyl siloxanes	354.	Yin, Guo, et al., 2001	Program: not specified
Capillary	Methyl Silicone	354.	Spieksma, 1999	Program: not specified
Capillary	SPB-1	354.	Flanagan, Streete, et al., 1997	60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C
Capillary	Polydimethyl siloxanes	366.	Zenkevich and Chupalov, 1996	Program: not specified
Capillary	Polydimethyl siloxanes	366.	Zenkevich and Chupalov, 1996	Program: not specified
Capillary	SPB-1	354.	Strete, Ruprah, et al., 1992	60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C
Capillary	SPB-1	370.	Strete, Ruprah, et al., 1992	60. m/0.53 mm/5.0 μm, Helium; Program: not specified
Capillary	OV-1	370.	Ramsey and Flanagan, 1982	Program: not specified
Packed	Apieson L	350.	Kojima, Fujii, et al., 1980	Chromosorb W; Column length: 20. m; Program: not specified
Packed	SE-30	368.	Robinson and Odell, 1971	N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold)

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, Notes

Pittam and Pilcher, 1972
Pittam, D.A.; Pilcher, G., Measurements of heats of combustion by flame calorimetry. Part 8.-Methane, ethane, propane, n-butane and 2-methylpropane, J. Chem. Soc. Faraday Trans. 1, 1972, 68, 2224-2229. [all data]

Prosen, Maron, et al., 1951
Prosen, E.J.; Maron, F.W.; Rossini, F.D., Heats of combustion, formation, and insomerization of ten C₄ hydrocarbons, J. Res. NBS, 1951, 46, 106-112. [all data]

Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D., Heats of formation and combustion of 1,3-butadiene and styrene, J. Res. NBS, 1945, 34, 59-63. [all data]

Rossini, 1935
Rossini, F.D., Heat of combustion of isobutane, J. Res. NBS, 1935, 15, 357-361. [all data]

Chen S.S., 1975
Chen S.S., Ideal gas thermodynamic properties and isomerization of n-butane and isobutane, J. Phys. Chem. Ref. Data, 1975, 4, 859-869. [all data]

Pitzer K.S., 1946
Pitzer K.S., The entropies and related properties of branched paraffin hydrocarbons, Chem. Rev., 1946, 39, 435-447. [all data]

Ernst G., 1970
Ernst G., Ideal and real gas state heat capacities Cp of C3H8, i-C4H10, C2F5Cl, CH2ClCF3, CF2ClCFCl2, and CHF2Cl, J. Chem. Thermodyn., 1970, 2, 787-791. [all data]

Sage B.H., 1937
Sage B.H., Phase equilibria in hydrocarbon systems. XX. Isobaric heat capacity of gaseous propane, n-butane, isobutane, and n-pentane, Ind. Eng. Chem., 1937, 29, 1309-1314. [all data]

Sage B.H., 1938
Sage B.H., Phase equilibrium in hydrocarbon systems. Thermodynamic properties of isobutane, Ind. Eng. Chem., 1938, 30, 673-681. [all data]

Dailey B.P., 1943
Dailey B.P., Heat capacities and hindered rotation in n-butane and isobutane, J. Am. Chem. Soc., 1943, 65, 44-46. [all data]

Wacker P.F., 1947
Wacker P.F., Heat capacities of gaseous oxygen, isobutane, and 1-butene from -30 to +90 C, J. Res. Nat. Bur. Stand., 1947, 38, 651-659. [all data]

DePuy, Gronert, et al., 1989
DePuy, C.H.; Gronert, S.; Barlow, S.E.; Bierbaum, V.M.; Damrauer, R., The Gas Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1989, 111, 6, 1968, https://doi.org/10.1021/ja00188a003 . [all data]

Peerboom, Rademaker, et al., 1992
Peerboom, R.A.L.; Rademaker, G.J.; Dekoning, L.J.; Nibbering, N.M.M., Stabilization of Cycloalkyl Carbanions in the Gas Phase, Rapid Commun. Mass Spectrom., 1992, 6, 6, 394, https://doi.org/10.1002/rcm.1290060608 . [all data]

DePuy, Bierbaum, et al., 1984
DePuy, C.H.; Bierbaum, V.M.; Damrauer, R., Relative Gas-Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1984, 106, 4051. [all data]

Kistiakowsky, Ruhoff, et al., 1935
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of organic reactions. II. Hydrogenation of some simpler olefinic hydrocarbons, J. Am. Chem. Soc., 1935, 57, 876-882. [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]

Pines, Kvetinskas, et al., 1945
Pines, H.; Kvetinskas, B.; Kassel, L.S.; Ipatieff, V.N., Determination of equilibrium constants for butanes and pentanes, J. Am. Chem. Soc., 1945, 67, 631-637. [all data]

Estel, Mohnke, et al., 1995
Estel, D.; Mohnke; Biermans; Rotzsche, The analysis of C₄-C₁₁ hydrocarbons in naphtha and reformate with a new apolar fused silica column, J. Hi. Res. Chromatogr., 1995, 18, 7, 403-412, https://doi.org/10.1002/jhrc.1240180703 . [all data]

Do and Raulin, 1992
Do, L.; Raulin, F., Gas chromatography of Titan's atmosphere. III. Analysis of low-molecular-weight hydrocarbons and nitriles with a CP-Sil-5 CB WCOT capillary column, J. Chromatogr., 1992, 591, 1-2, 297-301, https://doi.org/10.1016/0021-9673(92)80247-R . [all data]

Lunskii and Paizanskaya, 1988
Lunskii, M.Kh.; Paizanskaya, I.L., Identification of hydrocarbons C₁-C₉ of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. Anal. Khim., 1988, 43, 127-135. [all data]

Bredael, 1982
Bredael, P., Retention indices of hydrocarbons on SE-30, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610 . [all data]

Nijs and Jacobs, 1981
Nijs, H.H.; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Sci., 1981, 19, 1, 40-45, https://doi.org/10.1093/chromsci/19.1.40 . [all data]

Schröder, 1980
Schröder, I.H., Retention Indices of Hydrocarbons up to C₁₄ for the Stationary Phase Squalane, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1980, 3, 1, 38-44, https://doi.org/10.1002/jhrc.1240030115 . [all data]

Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N., Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [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]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]

Widmer, 1967
Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Gas Chromatogr., 1967, 5, 10, 506-510, https://doi.org/10.1093/chromsci/5.10.506 . [all data]

Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G., Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs, Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]

Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [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]

Yin, Liu, et al., 2001
Yin, C.; Liu, W.; Li, Z.; Pan, Z.; Lin, T.; Zhang, M., Chemometrics to chemical modeling: structural coding in hydrocarbons and retention indices of gas chromatography, J. Sep. Sci., 2001, 24, 3, 213-220, https://doi.org/10.1002/1615-9314(20010301)24:3<213::AID-JSSC213>3.0.CO;2-4 . [all data]

Subramaniam, Bochniak, et al., 1994
Subramaniam, B.; Bochniak, D.; Snavely, K., Fischer-Tropsch synthesis in supercritical reaction media, Lawrence Department of Chemical and Petroleum Engineering (DOE/PC/92532--T7), United States Department of Energy, Pittsburgh, PA, 1994, 8, retrieved from http://www.NTIS.gov. [all data]

White, Douglas, et al., 1992
White, C.M.; Douglas, L.J.; Hackett, J.P.; Anderson, R.R., Characterization of synthetic gasoline from the chloromethane-zeolite reaction, Energy Fuels, 1992, 6, 1, 76-82, https://doi.org/10.1021/ef00031a012 . [all data]

White, Hackett, et al., 1992
White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S., Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane, J. Hi. Res. Chromatogr., 1992, 15, 2, 105-120, https://doi.org/10.1002/jhrc.1240150211 . [all data]

Wu and Lu, 1984
Wu, J.; Lu, W., Hydrocarbon analysis by open-tubular column chromatography with programmed temperature for straight run gasoline, Anal. Chem., 1984, 12, 7, 572-578. [all data]

Huguet, 1961
Huguet, M., Kovats retention indices in the qualitative analysis of light hydrocarbons by gas chromatography, Journees internationales d'etude des methodes de separation immediate et de chromatographie, 1961, 69. [all data]

Bramston-Cook, 2013
Bramston-Cook, R., Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]

Supelco, 2012
Supelco, CatalogNo. 24160-U, Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]

Zhang, Ding, et al., 2009
Zhang, X.; Ding, L.; Sun, Z.; Song, L.; Sun, T., Study on quantitative structure-retention relationships for hydrocarbons in FCC gasoline, Chromatographia, 2009, 70, 3/4, 511-518, https://doi.org/10.1365/s10337-009-1174-0 . [all data]

Krkosova, Kubinec, et al., 2007
Krkosova, Z.; Kubinec, R.; Addova, G.; Jurdakova, H.; Blasko, J.; Ostrovsky, I.; Sojak, L., Gas chromatographic - mass spectrometric characterization of monomethylalkanes from fuel diesel, Petroleum Coal, 2007, 49, 3, 51-62. [all data]

Health Safety Executive, 2000
Health Safety Executive, MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]

Ciccioli, Cecinato, et al., 1992
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Frattoni, M.; Liberti, A., Use of carbon adsorption traps combined with high resolution gas chromatography - mass spectrometry for the analysis of polar and non-polar C₄-C₁₄ hydrocarbons involved in photochemical smog formation, J. Hi. Res. Chromatogr., 1992, 15, 2, 75-84, https://doi.org/10.1002/jhrc.1240150205 . [all data]

Chen and Feng, 2007
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Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References

Symbols used in this document:

C_p,gas	Constant pressure heat capacity of gas
Δ_cH°_gas	Enthalpy of combustion of gas at standard conditions
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions
Δ_rG°	Free energy of reaction at standard conditions
Δ_rH°	Enthalpy of reaction at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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