The structure data file (SDF/MOL File) of ISOBUTANE is available for download in the SDF page of ISOBUTANE, which provides the information about the atoms, bonds, connectivity and coordinates of ISOBUTANE. Khim. Gas Chromatogr., , 1967, 506-510. umn class: Semi-standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Start T: 50 C; CAS no: 75285; Active phase: Squalane; Carrier gas: He; Data type: Kovats RI; Authors: Lunskii, M.Kh. Div Instrum Soc. An alkane that is propane substituted by a methyl group at position 2. Typical products created with isobutane are 2,4-dimethylpentane and especially 2,2,4-trimethylpentane. III. Chim. Skeletal ormulas imply a carbon atom at the corners and ends of lines. Formula: C 4 H 10; Molecular weight: 58.1222; IUPAC Standard . Isobutane Molecular Formula CH Average mass 58.122 Da Monoisotopic mass 58.078251 Da ChemSpider ID 6120 More details: Names Properties Searches Spectra Vendors Articles More Names and Synonyms Database ID (s) Validated by Experts, Validated by Users, Non-Validated, Removed by Users 1730720 [Beilstein] 201-147-5 [EINECS] 270-654-1 [EINECS] 5. Gas Chromatogr., , 1967, 506-510. class: Standard non-polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Description: 40C(6min)=>5C/min=>80C=>10C/min=>200C; CAS no: 75285; Active phase: SPB-1; Carrier gas: He; Phase thickness: 5 um; Data type: Normal alkane RI; Authors: Flanagan, R.J.; Streete, P.J. For example, the molecular formula C4H10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesnt distinguish between butane and isobutane. [citation needed] The normal boiling point is just a few . Isobutane is obtained by isomerization of butane. 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For example, the molecular formula C 4 H 10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesn't distinguish between butane and isobutane. ), , 1992, 66-70, In original 66-70. umn class: Semi-standard non-polar; Column length: 20 m; Column type: Packed; CAS no: 75285; 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. ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 80 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 30 C; End T: 130 C; CAS no: 75285; Active phase: OV-101; Carrier gas: N2; Data type: Linear RI; Authors: 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. Draw line-angle formulas given structural formulas. For example, the molecular formula C4H10 tells us there are 4 carbon atoms and 10 hydrogen atoms in a molecule, but it doesnt distinguish between butane and isobutane. Our objective is to expand the mechanism by introducing the idea of an isobutane graph that has the chemical formula C 4 H 10 and CAS number 75-28-5. Res. Extremely flammable. . 4. The site owner may have set restrictions that prevent you from accessing the site. Put all C's in a row and you get butane, also called n-butane. Using isobutane, gasoline-grade "blendstocks" are generated with high branching for good combustion characteristics. A structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. [Note: Shipped as a liquefied compressed gas. Whom life had made ugly in the story of dodong and teang? Draw a line-angle formula for the compound CH 3 CH 2 CH (CH 3 )CH 2 CH 2 CH 3. ; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Heat of Vaporization at Normal Boiling Point, LogP (Octanol-Water Partition Coefficient), Ghose-Crippen Octanol-Water Partition Coefficient (logP), Moriguchi Octanol-Water Partition Coefficient (logP), Activity Score for Ion Channel Modulators, Activity Score for Nuclear Receptor Ligands, Normal Mode Frequency Analysis with Animation, Molecular Orbital (HOMO & LUMO) Visualization, quantum Chemical Computation Data (20 sets), Structure Data File (SDF/MOL File) of ISOBUTANE, 4-(hydroxyamino)-N-(5-methyl-1,2-oxazol-3-yl)benzene-1-sulfonamide, PROPANE-1,1,1,2,3,3,3-D7,2-(METHYL-D3)- (6CI,7CI,8CI,9CI). Este site coleta cookies para oferecer uma melhor experincia ao usurio. Structure of 2-methylpropane: Suggest Corrections 1 Similar questions Draw the line-angle formula for isohexane. Stars. 6.2: Condensed Structural and Line-Angle Formulas is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts. The following are suggested steps for drawing a line-angle structure (also known as a skeletal structure). 11.3: Condensed Structural and Line-Angle Formulas is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. class: Standard non-polar; Column diameter: 0.2 mm; Column length: 100 m; Column type: Capillary; Description: 5C(10min)=>5C/min=>50C(48min)=>1.5C/min=>195C(91min); CAS no: 75285; Active phase: Petrocol DH-100; Carrier gas: He; Data type: Kovats RI; Authors: Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. We use several kinds of formulas to describe organic compounds. Fr., 4, 1966, 1351-1363. umn class: Standard polar; Column length: 26 ft; Column type: Packed; Start T: 70 C; CAS no: 75285; Active phase: Carbowax 20M; Substrate: Diatoport P; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. It is an isomer of butane. A structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. Write condensed structural formulas for alkanes given complete structural formulas. : none. The connectivity of atoms (carbon atoms). Write condensed structural formulas for alkanes given complete structural formulas. CH₃CH₂CH₂CH₂CH₂CH₂CH₂CH₃ Soc., 48, 2001, 739-749. umn class: Standard non-polar; Column diameter: 0.28 mm; Column length: 74.6 m; Column type: Capillary; Start T: 50 C; CAS no: 75285; 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. 12039 For example, we can represent pentane (CH3CH2CH2CH2CH3) and isopentane [(CH3)2CHCH2CH3] as follows: Parentheses in condensed structural formulas indicate that the enclosed grouping of atoms is attached to the adjacent carbon atom. ; Lonneman, W.A., Characterization of non-methane volatile organic compounds at swine facilities in eastern North Carolina, Atm. , The entropies of n-butane and isobutane, with some heat capacity data for isobutane, J. Chem. 2.3: Condensed Structural and Skeletal Formulas is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts. The molecular weight of ISOBUTANE is available in molecular weight page of ISOBUTANE, which is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element in the molecular formula. Cyclopentane is a cycloalkane that consists of five carbons each bonded with two hydrogens above and below the plane. Transcribed image text: condensed structural formula. The traditional name isobutane was still retained in the 1993 IUPAC recommendations,[22] but is no longer recommended according to the 2013 recommendations. Chromatogr., 18, 1995, 403-412. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -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; CAS no: 75285; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Kovats RI; Authors: Hoekman, S.K., Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions, J. atom in the center of the molecule. The outer Carbons have 3 Hydrogens. 2. Thus, structural formulas identify the specific isomers by showing the order of attachment of the various atoms. The molecular formula of ISOBUTANE is available in chemical formula page of ISOBUTANE, which identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. Isopentane, also called methylbutane or 2-methylbutane, is a branched-chain saturated hydrocarbon (an alkane) with five carbon atoms, with formula C 5 H 12 or CH(CH 3) 2 (C 2 H 5).. Isopentane is an extremely volatile and extremely flammable liquid at room temperature and pressure.It is also the least dense liquid at standard conditions. J. Refrigerants are used in air-conditioning systems and freezers or refrigerators and are assigned a "R" number (by ASHRAE - formerly the American Society of Heating, Refrigerating and Air Conditioning Engineers), which is determined systematically according . Biol. Find compounds which contain this structure, Find compounds which resemble this structure, European Molecular It also shows the functional groups present in the molecule like amine (NH 2 ), alcohol (OH), halogens, and others. isobutane. C4H10 is the molecular formula for Butane. Sci., 24, 2001, 213-220. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 30 C; End T: 220 C; CAS no: 75285; Active phase: Petrocol DH; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: 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. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 30 C; End T: 220 C; CAS no: 75285; Active phase: Petrocol DH; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: White, C.M. No tracking or performance measurement cookies were served with this page. Draw line-angle formulas given structural formulas. Draw line-angle formulas given structural formulas. [1] Since the longest continuous chain in isobutane contains only three carbon atoms, the preferred IUPAC name is 2-methylpropane but the locant (2-) is typically omitted in general nomenclature as redundant; C2 is the only position on a propane chain where a methyl substituent can be located without altering the main chain and forming the constitutional isomer n-butane. extended structural formula and condensed structural formula for propane, Butane, isobutane, Isopentane, ethylene, ethyne, cyclohexene, Benzene, propyne and ethylbenzene Question: extended structural formula and condensed structural formula for propane, Butane, isobutane, Isopentane, ethylene, ethyne, cyclohexene, Benzene, propyne and ethylbenzene Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 49 C; CAS no: 75285; 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. John Wiley . 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Images of the chemical structure of ISOBUTANE are given below: The 2D chemical structure image of ISOBUTANE is also called skeletal formula, which is the standard notation for organic molecules. The outer Carbons have 3 Substitution of this refrigerant for motor vehicle air conditioning systems not originally designed for isobutane is widely prohibited or discouraged. It is also known as i-butane, 2-methylpropane, or methylpropane. What is the difference between mango plants and maize plants in terms of root system? Chromatogr., 15, 1992, 105-120. ass: Standard non-polar; Column type: Capillary; CAS no: 75285; Active phase: OV-101; Data type: Linear RI; Authors: Wu, J.; Lu, W., Hydrocarbon analysis by open-tubular column chromatography with programmed temperature for straight run gasoline, Anal. Gas Chromatogr., , 1967, 506-510. umn class: Standard polar; Column length: 26 ft; Column type: Packed; Start T: 130 C; CAS no: 75285; Active phase: Carbowax 20M; Substrate: Diatoport P; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. The radius of the spheres is therefore smaller than the rod lengths in order to provide a clearer view of the atoms and bonds throughout the chemical structure model of ISOBUTANE. Except where otherwise noted, data are given for materials in their, Last edited on 22 December 2022, at 19:51, "CDC - NIOSH Pocket Guide to Chemical Hazards - Isobutane", Institute for Occupational Safety and Health, National Institute for Occupational Safety and Health, 10.1002/0471238961.0112112508011313.a01.pub2, Ullmann's Encyclopedia of Industrial Chemistry, "Frequently Asked Questions About Lightweight Canister Stoves and Fuels", "Technical Meeting on HCFC Phase-Out: Overview of Advantages and Disadvantages of Alternatives (Montreal, Canada; European Commission on retrofit refrigerants for stationary applications)", "Greenfreeze: from a snowball to an industrial avalanche", "Compendium of hydrocarbon-refrigerant policy statements, October 2006", "MACS bulletin: hydrocarbon refrigerant usage in vehicles", "Society of Automotive Engineers hydrocarbon refrigerant bulletin", "Saskatchewan Labour bulletin on hydrocarbon refrigerants in vehicles", VASA on refrigerant legality & advisability, "Queensland (Australia) government warning on hydrocarbon refrigerants", "New South Wales (Australia) Parliamentary record, 16 October 1997", "New South Wales (Australia) Parliamentary record, 29 June 2000", https://www.acdlabs.com/iupac/nomenclature/93/r93_679.htm, https://en.wikipedia.org/w/index.php?title=Isobutane&oldid=1128937733, 3.1atm (310kPa) (at 21C (294K; 70F)), This page was last edited on 22 December 2022, at 19:51. Anal. ), 32(5), 1996, 656-666, In original 656-666. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 100 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 30 C; End T: 310 C; End time: 5 min; CAS no: 75285; Active phase: OV-1; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: 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, 49(3), 2007, 51-62. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -50 0C (2 min) ^ 8 0C/min -> 200 0C (7.75 min) ^ 25 0C -> 225 0C (8 min); CAS no: 75285; Active phase: Methyl Silicone; Carrier gas: Helium; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Blunden, J.; Aneja, V.P. The composition of propane can be more compactly expressed as C 3 H 8. An alkane that is propane substituted by a methyl group at position 2. Identification of ISOBUTANE Chemical Compound Chemical Structure Description A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. Sci., 19, 1981, 40-45. umn class: Standard non-polar; Column length: 26 ft; Column type: Packed; Start T: 70 C; CAS no: 75285; Active phase: SE-30; Substrate: Diatoport S; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. This entity has been manually annotated by the ChEBI Team. Each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. As a result of the EUs General Data Protection Regulation (GDPR). This website collects cookies to deliver a better user experience. status page at https://status.libretexts.org. Give the structural formula for the compound represented by this line-angle formula: Answers Show Answer An alkane that is propane substituted by a methyl group at position 2. Additionally, two . The condensed structural formula of the compound acetic acid is CH3COOH. Chromatogr., 240, 1982, 423-444. ass: Semi-standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 5 K/min; Start T: 50 C; End T: 220 C; End time: 0 min; Start time: 0 min; CAS no: 75285; Active phase: Porapack Q; Carrier gas: Nitrogen; Data type: Normal alkane RI; Authors: Zenkevich, I.G. Gas Chromatogr., 6, 1968, 203-217. umn class: Standard non-polar; Column diameter: 0.15 mm; Column length: 25 m; Column type: Capillary; Start T: 20 C; CAS no: 75285; Active phase: CP Sil 5 CB; Carrier gas: H2; Phase thickness: 2 um; Data type: Kovats RI; Authors: Do, L.; Raulin, F., Gas chromatography of Titan's atmosphere. CH(CH3)3. Draw line-angle formulas given structural formulas. Then, try SnaPeaks simply upload your MS/MS data and SnaPeaks will provide whats in your natural products. Line-angle formulas imply a carbon atom at the corners and ends of lines. Analysis of low-molecular-weight hydrocarbons and nitriles with a CP-Sil-5 CB WCOT capillary column, J. Unfortunately, expanded structural formulas are difficult to type/write and take up a lot of space. the molecular formula is C8H10. Chromatogr., 22(10), 1999, 565-588. ass: Standard non-polar; Column type: Capillary; CAS no: 75285; Active phase: Polydimethyl siloxanes; Data type: Normal alkane RI; Authors: Yin, C.; Guo, W.; Lin, T.; Liu, S.; Fu, R.; Pan, Z.; Wang, L., Application of wavelet neural network to the prediction of gas chromatographic retention indices of alkanes, J. Chinese Chem. Draw the Lewis structure of the molecule below, showing all atoms and all valence electrons (bonds and lone pairs). A structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. ; Paizanskaya, I.L., Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. The condensed formulas show hydrogen atoms right next to the carbon atoms to which they are attached, as illustrated for butane: The ultimate condensed formula is the skeletal formula (sometimes known as a line-angle formula), in which carbon atoms are implied at the corners and ends of lines, and each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. 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