Another isomer is isobutane or 2-methylpropane in which three carbon atoms from the parent chain and one carbon atom is placed as the side chain at C-2 of the parent chain. So we have n-butane and we have isobutane and those are the two structural formulas for butane. Generally used for domestic purposes in cylinders painted red and is sold under various trade names. [19], Except where otherwise noted, data are given for materials in their, Contaminants are not used in fragrance extraction, National Institute for Occupational Safety and Health, "Safety Data Sheet, Material Name: N-Butane", "Entrepreneur overcame hardships of Chinese prison", "Trends in death Associated with Abuse of Volatile Substances 1971–2004", Hydrogen chalcogenides (Group 16 hydrides), https://en.wikipedia.org/w/index.php?title=Butane&oldid=989270364, GABAA receptor positive allosteric modulators, Short description is different from Wikidata, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Articles with unsourced statements from May 2019, All Wikipedia articles needing clarification, Wikipedia articles needing clarification from May 2019, Creative Commons Attribution-ShareAlike License, −140 to −134 °C; −220 to −209 °F; 133 to 139 K. Butane fuel canisters for use in camping stoves. Very pure forms of butane, especially isobutane, can be used as refrigerants and have largely replaced the ozone-layer-depleting halomethanes, for instance in household refrigerators and freezers. Now, the first thing to keep in mind is the molecular formula of butane which is 4 carbon atoms and 10 hydrogen atoms so you’ll notice that both these structural formulas incorporate 4 carbon atoms and 10 hydrogen atoms so right here we have 1-2-3-4 carbon atoms and then 1-2-3-4-5-6-7-8-9-10; hydrogen atoms and it’s the same case over here. PubChem CID. Gasgemische beispielsweise aus 40 % Propan und 60 % Butan werden an Tankstellen als Autogas, als Flaschengas für Gas-Rechauds und für technische Geräte zum Löten und Schweißen, als Gaskartuschen im Campingbereich und als Nachfülldosen für Feuerzeuge und dergleichen mehr verwendet. Butane is a highly flammable, colorless, easily liquefied gas that quickly vaporizes at room temperature. Corrections? Beide Butane sind farblose, brennbare, leicht zu verflüssigende Gase („Flüssiggase“), die sich kaum in Wasser, aber gut in Ethanol und Ether lösen. It is a colorless flammable, easily condensed gas. The molecular weight of BUTANE is available in molecular weight page of BUTANE, 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. 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Here n-butane is a straight-chain compound with four carbon atoms bonded with single covalent bonds. When oxygen is plentiful, butane burns to form carbon dioxide and water vapor; when oxygen is limited, carbon (soot) or carbon monoxide may also be formed. Structure, properties, spectra, suppliers and links for: butan-2-one. The butane is stored under pressure as a liquid. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.