Isobutylene (redirect from Isobutene)
Drugs, and Biologicals (11th ed.), Merck, 1989, ISBN 091191028X, 5024. Isobutene, International Chemical Safety Card 1027, Geneva: International Programme...
5 KB (431 words) - 14:39, 21 March 2024
(polyisobutylene) is a class of organic polymers prepared by polymerization of isobutene. The polymers often have the formula Me3C[CH2CMe2]nH (Me = CH3). They...
2 KB (118 words) - 09:56, 25 October 2023
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
90 KB (9,417 words) - 07:53, 9 June 2024
Commericially important ethers prepared in this way are derived from isobutene or isoamylene, which protonate to give relatively stable carbocations...
19 KB (1,835 words) - 03:40, 19 May 2024
or more in industrial mixtures, which also contain smaller amounts of isobutene, butadiene and butyne. Record in the GESTIS Substance Database of the...
5 KB (304 words) - 06:41, 17 February 2024
components methyl tert-butyl ether and tert-amyl methyl ether. Propylene, isobutene, and amylenes are feedstocks in the alkylation units of refineries. Using...
6 KB (346 words) - 13:21, 28 September 2023
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
24 KB (2,578 words) - 22:55, 9 June 2024
14984-81-7 Fluoro(trifluoro-methyl)diazine CF4N2O −7.63 132 815-10-1 Isobutene (CH3)2C=CH2 −7.0 −140.7 56 115-11-7 3-Fluoropropene CH2=CHCH2F −7 60 818-92-8...
94 KB (4,456 words) - 11:10, 10 June 2024
fuel additive, comprises reacting isobutene with ethanol, separating the hydrocarbon, reacting separated isobutene with ethanol and separating unconverted...
5 KB (303 words) - 20:33, 9 April 2022
1-Butene 45.334 — — — cis-2-Butene 45.194 — — — trans-2-Butene 45.124 — — — Isobutene 45.055 — — — 1-Pentene 45.031 — — — 2-Methyl-1-pentene 44.799 — — — 1-Hexene...
26 KB (2,645 words) - 09:15, 8 May 2024
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
37 KB (3,367 words) - 11:53, 21 May 2024
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
38 KB (3,691 words) - 05:30, 13 February 2024
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
34 KB (3,187 words) - 12:12, 24 May 2024
CH2O + 2 H2O Acetic acid can be produced from methanol. Methanol and isobutene are combined to give methyl tert-butyl ether (MTBE). MTBE is a major octane...
54 KB (5,297 words) - 03:45, 17 June 2024
Pivalic acid is prepared on a commercial scale by hydrocarboxylation of isobutene via the Koch reaction: (CH3)2C=CH2 + CO + H2O → (CH3)3CCO2H Such reactions...
8 KB (762 words) - 00:54, 11 June 2024
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
21 KB (2,104 words) - 20:48, 6 June 2024
water by sulfuric acid: H2SO4 + H2O ⇌ H3O+ + HSO− 4 The protonation of isobutene in the formation of a carbocation: (CH3)2C=CH2 + HBF4 ⇌ (CH3)3C+ + BF−...
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based), ethyl cellulose, pyroxylin/nitrocellulose or poly(methylacrylate-isobutene-monoisopropylmaleate) (alcohol based), and acrylate or siloxane polymers...
2 KB (239 words) - 03:06, 12 August 2023
Chloroprene rubber (CR), polychloroprene, neoprene Butyl rubber (copolymer of isobutene and isoprene, IIR) Halogenated butyl rubbers (chloro butyl rubber: CIIR;...
10 KB (981 words) - 14:13, 16 May 2024
→ (CH3)3COH + CH2OCHCH3 The byproduct t-butanol can be dehydrated to isobutene and converted to MTBE. On a much smaller scale, tert-butyl hydroperoxide...
6 KB (340 words) - 18:08, 4 March 2024
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
62 KB (5,928 words) - 06:32, 29 May 2024
Ethene Propene Butene Pentene Hexene Heptene Octene Nonene Decene Branched alkenes Isobutene Isopentene Isohexene Isoheptene Isooctene Isononene Isodecene...
17 KB (2,030 words) - 21:17, 12 April 2024
produced on a massive scale in the petroleum industry by alkylation of isobutene with isobutane. This process is conducted in alkylation units in the presence...
7 KB (484 words) - 09:14, 24 January 2024
and isobutane. It can sometimes contain some propylene, butylene, and isobutene. LPG is used as a fuel gas in heating appliances, cooking equipment, and...
45 KB (4,391 words) - 16:06, 14 June 2024
isobutylbromide with potassium ethoxide in ethanol. The reaction products are isobutene, ethanol and potassium bromide. E1 is a model to explain a particular...
14 KB (1,844 words) - 22:24, 27 May 2024
tert-butylamine: NH3 + CH2=C(CH3)2 → H2NC(CH3)3 The Ritter reaction of isobutene with hydrogen cyanide is not useful in this case because it produces too...
3 KB (314 words) - 14:47, 6 May 2024
zeolite catalysts: NH3 + CH2=C(CH3)2 → H2NC(CH3)3 The Ritter reaction of isobutene with hydrogen cyanide is not useful because it produces too much waste...
5 KB (251 words) - 03:42, 9 November 2023
produced from biomass in a two-step process. In the first step gaseous isobutene (C4H8) is produced by Global Bioenergies. Then, in the second step, Fraunhofer...
2 KB (152 words) - 00:05, 11 August 2022
isobutane, which affords t-butanol. This coproduct can be dehydrated to isobutene, converted to MTBE, an additive for gasoline. Ethylbenzene hydroperoxide...
16 KB (1,454 words) - 17:19, 19 March 2024
Perfluoroisobutene (PFIB) is the perfluorocarbon counterpart of the hydrocarbon isobutene and has the formula (CF3)2C=CF2. A fluoroalkene, it is a colorless gas...
3 KB (156 words) - 18:01, 20 September 2023