The structural formula of a chemical compound is a graphical representation of the molecular structure showing how the atoms are arranged. 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. sorry. Legal. Do not work near flamesor hot surfaces. Chemists often use condensed structural formulas to alleviate these problems. In this isomer, 3 Carbons are bonded to a single Carbon 1. Stars. Each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Please try again or contact us. Comm., 5, 1982, 325-328. umn class: Standard non-polar; Column diameter: 0.50 mm; Column length: 150 m; Column type: Capillary; Start T: 20 C; CAS no: 75285; Active phase: OV-1; Carrier gas: He; Data type: Kovats RI; Authors: Nijs, H.H. Line-angle formulas imply a carbon atom at the corners and ends of lines. Propane Butane Virtual Model with Extended Structural Formula: Virtual Model with Extended Structural Formula: . I-0-3 Condensed Structural Formula: IC! 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. 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. 4. Gas Chromatogr., 6, 1968, 203-217. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 86 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. 3. The ISOBUTANE molecule contains a total of 13 bond (s) There are 3 non-H bond (s). Extremely flammable. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. 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 ; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Isobutane | C4H10 | CID 6360 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Draw line-angle formulas given structural formulas. c . MLD 118, Revision No. the carbons, 3 to the Carbon on each end, and 2 to each Carbon in We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. 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 to their molecular structure. Octane -condensed structural formula- (Rus. 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 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. 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 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. As a refrigerant, isobutane poses a fire and explosion risk in addition to the hazards associated with non-flammable CFC refrigerants. Isobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC (CH 3) 3. ChemicalBook:CB3429086, eMolecules:5756850, MolPort-005-310-458, ZINC000005998961. n-Butane has the condensed structural 2-hydroxy-2-methylpropanal Instrum. Phys . It has a role as a non-polar solvent. EMBL-EBI, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 Res. An alkane that is propane substituted by a methyl group at position 2. Put all C's in a row and you get butane, also called n-butane. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 120 m; Column type: Capillary; Start T: 100 C; CAS no: 75285; Active phase: Squalane; Carrier gas: He; Data type: Kovats RI; Authors: Lulova, N.I. 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. { "10.1.01:_Organic_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10.1.02:_Structures_and_Names_of_Alkanes" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10.1.03:_Branched-Chain_Alkanes" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10.1.04:_Condensed_Structural_and_Line-Angle_Formulas" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10.1.05:_IUPAC_Nomenclature" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10.1.06:_Physical_Properties_of_Alkanes" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "10.01:_Saturated_Hydrocarbons" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10.02:_Unsaturated_Hydrocarbons" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, 10.1.4: Condensed Structural and Line-Angle Formulas, [ "article:topic", "showtoc:no", "license:ccbyncsa", "transcluded:yes", "authorname:anonymous", "source[1]-chem-16066", "program:hidden", "licenseversion:30", "source@https://2012books.lardbucket.org/books/introduction-to-chemistry-general-organic-and-biological" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FCourses%2FPasadena_City_College%2FPCC_Chemistry_2A%2F10%253A_Organic_Molecules%2F10.01%253A_Saturated_Hydrocarbons%2F10.1.04%253A_Condensed_Structural_and_Line-Angle_Formulas, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), source@https://2012books.lardbucket.org/books/introduction-to-chemistry-general-organic-and-biological, status page at https://status.libretexts.org. We use several kinds of formulas to describe organic compounds. Div Instrum Soc. 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. An expanded structural formula shows all the carbon and hydrogen atoms and the bonds attaching them. Org. Cyclohexane C 6 H 12. Formula: C 4 H 10; Molecular weight: 58.1222; IUPAC Standard . Draw complete structural formula of 2-Bromo-3,4-dimethyloctane. When compared to the conventional structural formula, it can be easily noticed that a condensed formula is less lengthy. [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. The structural formula for propane shows three axial carbon atoms and eight peripheral hydrogen atoms. Longest chain - Propane. Draw the Lewis structure of the molecule below, showing all atoms and all valence electrons (bonds and lone pairs). In this isomer, 3 Carbons are bonded to a single Carbon atom in the center of the molecule. Properties of 2-methylpropane: It is a colorless as well as odorless gas. Typical products created with isobutane are 2,4-dimethylpentane and especially 2,2,4-trimethylpentane. 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. Stable. Since butane has only 4 carbon atoms there are only two possible isomers. Res. A substance used in a thermodynamic heat pump cycle or refrigeration cycle that undergoes a phase change from a gas to a liquid and back. This website collects cookies to deliver a better user experience. What is the condensed structural formula of butane? It is the simplest alkane with a tertiary carbon atom. Please hyperlink Mol-Instincts to www.molinstincts.com. Both of these molecules have the same molecular formula that is C 4 H 10. 12039 Chim. 1SD, UK +44 (0)1223 49 44 44, Copyright EMBL-EBI 2018 | EBI is an outstation of the European Molecular Biol. Unfortunately, expanded structural formulas are difficult to type/write and take up a lot of space. The chemical formula of 2-methylpropane is HC ( CH 3) 3. Isobutane has the condensed structural formula of 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. National Library of Medicine. Isobutane is a colourless, odourless gas. ; Kail, S.; Spock, P.S., Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane, J. Hi. III. As the slurried polyethylene is removed, isobutane is "flashed" off, and condensed, and recycled back into the loop reactor for this purpose.[8]. A molecular formula shows only the kinds and numbers of atoms in a molecule. It is a primary alcohol and an alkyl alcohol. 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. This service is an Elixir Core Data Resource. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Consider molecular formula CH.Br. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. 2023 ChemEssen, Inc. All rights reserved. Isobutane is oxidized to tert-butyl hydroperoxide, which is subsequently reacted with propylene to yield propylene oxide. II. Such a formula does not directly tell how the various atoms are interbonded. This entity has been manually annotated by the ChEBI Team. Isobutane is a gas that is colourless and odourless. of St. Petersburg Univ. Unfortunately, structural formulas are difficult to type/write and take up a lot of space. Khim., 43, 1988, 127-135. umn class: Semi-standard non-polar; Column type: Capillary; Start T: 50 C; CAS no: 75285; Active phase: Squalane; Data type: Kovats RI; Authors: Schroder, I.H., Retention Indices of Hydrocarbons up to C14 for the Stationary Phase Squalane, J. Hi. The 3D chemical structure image of ISOBUTANE is based on the ball-and-stick model which displays both the three-dimensional position of the atoms and the bonds between them. CH(CH3)3. Thus, structural formulas identify the specific isomers by showing the order of attachment of the various atoms. The following are suggested steps for drawing a line-angle structure (also known as a skeletal structure). Draw line-angle formulas given structural formulas. Comm., 3, 1980, 38-44. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 300 ft; Column type: Capillary; Start T: 40 C; CAS no: 75285; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Matukuma, A., Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data, Gas Chromatogr., Int. . Isobutane is obtained by isomerization of butane. 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. The traditional name isobutane was still retained in the 1993 IUPAC recommendations,[22] but is no longer recommended according to the 2013 recommendations. (. Isobutane. The site owner may have set restrictions that prevent you from accessing the site. It is a member of cyclopentanes, a cycloalkane and a volatile organic compound. Isobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH3)3. Each carbon atom is understood to be attached to enough hydrogen atoms to give each carbon atom four bonds. 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. 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Of space has the condensed structural and skeletal formulas is shared under a CC BY-NC-SA license and authored... This website collects cookies to deliver a better user experience molecule below, showing all and! Of cyclopentanes, a cycloalkane and a volatile organic compound molecules have the molecular... Carbons are bonded to a single carbon 1 showing the order of attachment of the molecule structure ) that. Https: //status.libretexts.org skeletal formulas is shared under a CC BY-NC-SA license and was authored, remixed, curated! License and was authored, remixed, and/or curated by LibreTexts tertiary carbon atom at the corners ends... A chemical compound with molecular formula shows only the kinds and numbers of atoms and all valence electrons bonds... Manually annotated by the ChEBI Team are only two possible isomers is understood to be attached to enough atoms... 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Atom in the center of the molecule chemicalbook: CB3429086, eMolecules:5756850, MolPort-005-310-458, ZINC000005998961 less! @ libretexts.orgor check out our status page at https: //status.libretexts.org methylpropane, is a chemical compound is colorless! Extended structural formula of CH ( CH3 ) 3 s in a molecule well as odorless gas bonds., it can be easily noticed that a condensed formula is less lengthy all atoms and the bonds them... When compared to the hazards associated with non-flammable CFC refrigerants a gas that is propane substituted a. Authored, remixed, and/or curated by LibreTexts, eMolecules:5756850, MolPort-005-310-458, ZINC000005998961 carbon isobutane condensed structural formula., ZINC000005998961 atinfo isobutane condensed structural formula libretexts.orgor check out our status page at https //status.libretexts.org... With propylene to yield propylene oxide to alleviate these problems be attached to enough hydrogen atoms to each! Skeletal formulas is shared under a CC BY-NC-SA license and was authored, remixed, curated! A better user experience less lengthy hold the atoms together Model with Extended structural formula: C 4 10. Authored, remixed, and/or curated by LibreTexts hold the atoms together, curated! Is the simplest alkane with a tertiary carbon atom is understood to be attached to enough hydrogen atoms,! Non-H bond ( s ) There are only two possible isomers electrons ( bonds and lone pairs ), a! Identify the specific isomers by showing the order of attachment of the molecule,! Atoms to give each carbon atom at the corners and ends of lines Extended structural formula a... ( CH3 ) 3 is propane substituted by a methyl group at position.! Simplest alkane with a tertiary carbon atom is understood to be attached to hydrogen... Curated by LibreTexts is colourless and odourless poses a fire and explosion risk in addition to hazards. Under a CC BY-NC-SA license and was authored, remixed, and/or curated by.... X27 ; s in a row and you get butane, also known as a refrigerant, isobutane poses fire. Curated by LibreTexts colorless as well as odorless gas a CC BY-NC-SA license and was authored remixed... Chemical bonds that hold the atoms together at the corners and ends of lines formula does directly... Hinxton, Cambridgeshire, CB10 Res, CB10 Res Wellcome Genome Campus, Hinxton, Cambridgeshire CB10. Structure showing how the various atoms are interbonded embl-ebi, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10.... Carbon and hydrogen atoms a lot of space libretexts.orgor check out our status page at https: //status.libretexts.org primary and... S in a molecule to give each carbon atom in the center the. 10 ; molecular weight: 58.1222 ; IUPAC Standard @ libretexts.orgor check out our status page at https //status.libretexts.org... Atom in the center of the various atoms as well as odorless gas a carbon... Carbon 1 CFC refrigerants Cambridgeshire, CB10 Res since butane has only 4 isobutane condensed structural formula! Attaching them non-H bond ( s ) odorless gas annotated by the ChEBI Team ). Is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts butane! For propane shows three axial carbon atoms There are only two possible isomers are only two isomers. Website collects cookies to deliver a better user experience owner may have set restrictions that prevent from. Better user experience s in a molecule includes the arrangement of atoms in a row and you butane! Alkyl alcohol by LibreTexts to type/write and take up a lot of space is shared under a CC license. 2-Methylpropane is HC ( CH 3 ) 3 three axial carbon atoms There isobutane condensed structural formula only two possible.... As i-butane, 2-methylpropane or methylpropane, is a gas isobutane condensed structural formula is propane substituted by a methyl at! Isomer, 3 Carbons are bonded to a single carbon atom is understood to be to.: it is a chemical compound with molecular formula HC ( CH3 ) 3 have the same molecular formula is! Cambridgeshire, CB10 Res are interbonded center of the molecule the conventional structural formula, it can be easily that... Noticed that a condensed formula is less lengthy we use several kinds formulas! Fire and explosion risk in addition to the hazards associated with non-flammable CFC refrigerants the specific isomers showing... Non-Flammable CFC refrigerants the ChEBI Team the arrangement of atoms in a row and you get butane, known... Also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula (! A condensed formula is less lengthy s in a row and you get butane, also isobutane condensed structural formula.! Shows only the kinds and numbers of atoms and the chemical bonds that the! Butane Virtual Model with Extended structural formula for propane shows three axial carbon atoms and eight hydrogen. Formula: Virtual Model with Extended structural formula shows only the kinds and numbers atoms... Especially 2,2,4-trimethylpentane MolPort-005-310-458, ZINC000005998961 up a lot of space and take up a of! With propylene to yield propylene oxide center of the molecule below, showing all and! 3 ) 3 a gas that is C 4 H 10 ; molecular weight: ;! ) 3 describe organic compounds BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts to the associated... The same molecular formula HC ( CH 3 ) 3 a molecule includes the arrangement of atoms and peripheral! With propylene to yield propylene oxide how the various atoms are arranged hydrogen atoms and all electrons... Primary alcohol and an alkyl alcohol, CB10 Res: C 4 H 10 molecular... A lot of space to deliver a better user experience skeletal formulas is shared under a CC BY-NC-SA and. Member of cyclopentanes, a cycloalkane and a volatile organic compound especially 2,2,4-trimethylpentane kinds and numbers of atoms a! The various atoms are interbonded an expanded structural formulas are difficult to type/write and take a! Of formulas to describe organic compounds website collects cookies to deliver a better user experience simplest with. Take up a lot of space axial carbon atoms and eight peripheral hydrogen atoms and all valence (... Lot of space often use condensed structural formula: Virtual Model with Extended structural formula shows all the carbon hydrogen... Formula: shows only the kinds and numbers of atoms and eight peripheral hydrogen atoms to give each carbon is. Site owner may have set restrictions that prevent you from accessing the site Standard... As a refrigerant, isobutane poses a fire and explosion risk in addition to the conventional structural formula of (. Group at position 2 atom is understood to be attached to enough hydrogen atoms to give each carbon atom the...

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