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But-2-ene is an acyclic alkene with four carbon atoms. It is the simplest alkene exhibiting cis/trans-isomerism (also known as (E/Z)-isomerism); that is, it exists as two geometric isomers cis-but-2-ene ((Z)-but-2-ene) and trans-but-2-ene ((E)-but-2-ene). It is a petrochemical, produced by the catalytic cracking of crude oil or the dimerization ...
Toggle the table of contents. ... This list is sorted by boiling point of gases in ascending order, ... trans-1-Fluoro-2-butene; cis-2-fluoro-2-butene;
Toggle the table of contents. ... -but-2-ene (a.k.a. cis-2-butene) ... Boiling point: −0.5: −6.2: 8.0 5 Name: pentane: 1-pentene: 1-pentyne
The cis isomer in this case has a boiling point of 60.3 °C, while the trans isomer has a boiling point of 47.5 °C. [6] In the cis isomer the two polar C–Cl bond dipole moments combine to give an overall molecular dipole, so that there are intermolecular dipole–dipole forces (or Keesom forces), which add to the London dispersion forces and ...
For the equivalent in degrees Fahrenheit °F, see: Boiling points of the elements (data page) ... Section 3; Table 3.2 Physical Constants of Inorganic Compounds.
Isobutylene (or 2-methylpropene) is a hydrocarbon with the chemical formula (CH 3) 2 C=CH 2. It is a four-carbon branched alkene (olefin), one of the four isomers of butylene . It is a colorless flammable gas, and is of considerable industrial value.
point (°C) Boiling point (°C) Comment Allyl alcohol –129 97 Cyclopropanol: 101–102 Propionaldehyde –81 48 Tautomeric with prop-1-en-1-ol, which has both cis and trans stereoisomeric forms: Acetone –94.9 56.53 Tautomeric with propen-2-ol Oxetane –97 48 Propylene oxide –112 34 Has two enantiomeric forms: Methyl vinyl ether –122 6
The first step is the liquid- or vapour-phase chlorination of butadiene to a mixture of 3,4-dichlorobut-1-ene and 1,4-dichlorobut-2-ene (both isomers). In the second step, the mixture of 1,4-dichlorobut-2-ene and 3,4-dichlorobut-1-ene is isomerized to 3,4-dichlorobut-1-ene by heating to temperatures of 60–120 °C in the presence of a catalyst.