- Drugs, and
Biologicals (11th ed.), Merck, 1989, ISBN 091191028X, 5024.
Isobutene,
International Chemical Safety Card 1027, Geneva:
International Programme...
- or more in
industrial mixtures,
which also
contain smaller amounts of
isobutene,
butadiene and butyne.
Record in the
GESTIS Substance Database of the...
- (polyisobutylene) is a
class of
organic polymers prepared by
polymerization of
isobutene. The
polymers often have the
formula Me3C[CH2CMe2]nH (Me = CH3). They...
- fuel additive,
comprises reacting isobutene with ethanol,
separating the hydrocarbon,
reacting separated isobutene with
ethanol and
separating unconverted...
-
produced on a m****ive
scale in the
petroleum industry by
alkylation of
isobutene with isobutane. This
process is
conducted in
alkylation units in the presence...
-
Perfluoroisobutene (PFIB) is the
perfluorocarbon counterpart of the
hydrocarbon isobutene and has the
formula (CF3)2C=CF2. A fluoroalkene, it is a
colorless gas...
-
components methyl tert-butyl
ether and tert-amyl
methyl ether. Propylene,
isobutene, and
amylenes are
feedstocks in the
alkylation units of refineries. Using...
-
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...
-
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−...
-
Commercially important ethers prepared in this way are
derived from
isobutene or isoamylene,
which protonate to give
relatively stable carbocations...
