A, 708, 1995, 283-291. umn class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 10 m; Column type: Capillary; Start T: 100 C; CAS no: 115117; Active phase: PoraPLOT Q; Carrier gas: H2; Phase thickness: 10 um; Data type: Kovats RI; Authors: Do, L.; Raulin, F., Gas chromatography of Titan's atmosphere. ; Konukhova, S.V., Gas Chromatographic Identification of Ecologically Safe Freones, Vestn. J. Chem. ; Kennedy, W.D. Pines, H.; Kvetinskas, B.; Kassel, L.S. Synonym: Isobutane CAS Number 75-28-5. Chim. Heats of combustion, formation, and insomerization of ten C4 hydrocarbons, by the U.S. Secretary of Commerce on behalf of the U.S.A. Pitzer K.S., Symp. Gas Chromatogr., , 1967, 506-510. umn class: Standard non-polar; Column diameter: 0.50 mm; Column length: 150 m; Column type: Capillary; Start T: 20 C; CAS no: 115117; Active phase: OV-1; Carrier gas: He; Data type: Kovats RI; Authors: Nijs, H.H. ; Shomate, C.H. ), 32(11), 1996, 1685-1691, In original 1685-1691. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 30 C; End T: 240 C; Start time: 10 min; CAS no: 115117; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: 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. Incompatible with strong oxidizing agents. Data compilation copyright Stabilization of Cycloalkyl Carbanions in the Gas Phase, displays seen below. [all data], Ernst G., 1970 Phys., 1937, 5, 359-363. ; Lonneman, W.A., Characterization of non-methane volatile organic compounds at swine facilities in eastern North Carolina, Atm. Thermodyn., 1970, 2, 787-791. ; Nibbering, N.M.M., ; Vaughan, W.E., XX. Data compilation copyright J. [all data], Go To: Top, Condensed phase thermochemistry data, References. Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References, Notes. The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of isobutane, Analysis of low-molecular-mass hydrocarbons and nitriles with BPX5 capillary columns, J. Chromatogr. Org. Eng. Am. First one is n-butane which has all four carbon atoms in the parent chain with structural formula as. in these sites and their terms of usage. Khim. by the U.S. Secretary of Commerce on behalf of the U.S.A. Chem. Gas Chromatogr., , 1967, 506-510. umn class: Standard polar; Column length: 26 ft; Column type: Packed; Start T: 130 C; CAS no: 115117; Active phase: Carbowax 20M; Substrate: Diatoport P; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. ; Kennedy, R.M. Comm., 5, 1982, 325-328. umn class: Standard non-polar; Column length: 26 ft; Column type: Packed; Start T: 70 C; CAS no: 115117; Active phase: SE-30; Substrate: Diatoport S; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. J. Although less commonly used, the condensed … Analysis of low-molecular-weight hydrocarbons and nitriles with a CP-Sil-5 CB WCOT capillary column, J. Amer., 7, 1969, 55-75. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 27 C; CAS no: 115117; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Chromatogr., 7(2), 1989, 88-92. ass: Standard non-polar; Column type: Capillary; CAS no: 115117; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Junkes, B.S. Whilst the chemical formula for isobutane and n butane are the same, isobutane is an isomer of butane, with a different arrangement of the atoms. J. InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3 The characterisation of stationary phases and the prediction of retention indices, J. Relevance. J. Fr., 4, 1966, 1351-1363. umn class: Standard polar; Column length: 26 ft; Column type: Packed; Start T: 70 C; CAS no: 115117; Active phase: Carbowax 20M; Substrate: Diatoport P; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Database and to verify that the data contained therein have Chromatogr., 57, 1971, 1-10. umn class: Semi-standard non-polar; Column length: 20 m; Column type: Packed; CAS no: 115117; Active phase: Apieson L; Substrate: Chromosorb W; Data type: Normal alkane RI; Authors: Kojima, T.; Fujii, T.; Hosaka, Y., Thermal decomposition products of sterepisomeric polypropylenes, Mass Spectrometry, 28(4), 1980, 335-341. umn class: Standard non-polar; Column diameter: 0.28 mm; Column length: 74.6 m; Column type: Capillary; Start T: 50 C; CAS no: 115117; Active phase: Methyl Silicone; Carrier gas: N2; Data type: Normal alkane RI; Authors: Xu, Y., Capillary gas chromatographic analysis of individual hydrocarbons in catalytic cracking gasoline boiling below 100 C, Chin. NIST subscription sites provide data under the ; Bierbaum, V.M. A condensed structural formula may also be referred to as a semi-structural formula. ; Rossini, F.D., such sites. Chem. All rights reserved. Prosen, E.J. ; Hackett, J.; Anderson, R.R. B - John E. Bartmess 3. CopyCopied, VQTUBCCKSQIDNK-UHFFFAOYSA-N NIST Standard Reference DePuy, C.H. ; Schumann, S.C., I. This page allows searching Res. [all data], Parks, Shomate, et al., 1937 form is NBS, 1945, 34, 59-63. Phase equilibrium in hydrocarbon systems. Your institution may already be a subscriber. Am. Comparing the pressure of isobutane vs butane shows isobutane with about 1.5x higher pressure. The entropies of n-butane and isobutane, with some heat capacity data for isobutane, [all data], Pitzer K.S., 1946 ; Rademaker, G.J. also available. the Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes, Pittam and Pilcher, 1972 Chem. Chromatogr., 591, 1992, 297-301. umn class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 10 m; Column type: Capillary; Start T: 160 C; CAS no: 115117; Active phase: PoraPLOT Q; Carrier gas: H2; Phase thickness: 10 um; Data type: Kovats RI; Authors: Do, L.; Raulin, F., Gas chromatography of Titan's atmosphere.