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Isobutanealso known as i -butane2-methylpropane or methylpropaneis a chemical compound with molecular formula HC CH 3 3. It is an isomer of butane. It is the simplest alkane with a tertiary carbon. Isobutane is used as a precursor molecule in the petrochemical industryfor example in the synthesis of isooctane. Isobutane is obtained by isomerization of butane. Isobutane is the principal feedstock in alkylation units of refineries.
Using isobutane, gasoline-grade "blendstocks" are generated with high branching for good combustion characteristics. Typical products from isobutane are 2,4-dimethylpentane and especially 2,2,4-trimethylpentane. In the Chevron Phillips slurry process for making high-density polyethyleneisobutane is used as a diluent. As the slurried polyethylene is removed, isobutane is "flashed" off, and condensed, and recycled back into the Pretty Persuasion - R.E.M.
- Rising reactor for this purpose. Isobutane is oxidized to tert-butyl hydroperoxide, which is subsequently reacted with Blackwater - Street Eaters - We See Monsters to yield propylene oxide. The tert-butanol that results as a by-product is typically used to make gasoline additives such as methyl tert-butyl ether MTBE. Isobutane is also used as a propellant for aerosol cans.
Isobutane is used as part Isobutane (Part II) - Psy Virus - Seeing Pink Elephants blended fuels, especially common in fuel canisters used for camping. Isobutane is used as a refrigerant. As a refrigerant, isobutane poses an explosion risk in addition to the hazards associated with non-flammable CFC refrigerants. Substitution of this refrigerant for motor vehicle air conditioning systems not originally designed for isobutane is widely prohibited or discouraged.
Vendors and advocates of hydrocarbon refrigerants argue against such bans on the grounds that there have been very few such incidents relative to the number of vehicle air conditioning systems filled with hydrocarbons.
The traditional name isobutane was still retained in the IUPAC recommendations,  but is no longer recommended according to the recommendations. From Wikipedia, the free encyclopedia. Redirected from RA. CAS Number. Interactive image. Beilstein Reference. Gmelin Reference. PubChem CID. Chemical formula. Solubility in water. Heat capacity C. GHS hazard statements. GHS precautionary statements. Autoignition temperature. PEL Permissible. REL Recommended. IDLH Immediate danger.
Structure and properties. Spectral data. Cambridge: The Royal Society of Chemistry. National Center for Biotechnology Information. Retrieved 6 April Retrieved 28 December Vora, Joseph A. Kocal, Paul T. Barger, Robert J. Schmidt, James A. Isobutane (Part II) - Psy Virus - Seeing Pink Elephants Ullmann's Encyclopedia of Industrial Chemistry.
Weinheim: Wiley-VCH. Backpacking Light. Retrieved Archived from the original PDF on Archived from the original on Archived from the original on 1 July Archived from the original on 22 May Oxford: Blackwell Science. E numbers. Authority control GND : The Shape Youre In - Eric Clapton - 2nd Night In Zurich Namespaces Article Talk.
EC Number. E number. See: data page praxair. GHS Signal word. Explosive limits. None . Phase behaviour solid—liquid—gas. GND :
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