Trans-2-butene, an isomer of butene with the molecular formula C4H8, represents a fascinating example of geometric isomerism in organic chemistry. In this molecule, the carbon-carbon double bond prevents rotation and forces the molecule into a specific spatial arrangement where the two methyl groups (-CH3) sit on opposite sides of the double bond, creating what chemists call a “trans” configuration. This structural arrangement gives trans-2-butene distinct physical properties: it exists as a colorless gas at room temperature with a boiling point of 0.8°C and exhibits slightly different reactivity compared to its cis isomer due to its more stable and symmetrical spatial arrangement.
As an alkene, trans-2-butene readily participates in addition reactions, making it valuable in various industrial processes, particularly in the production of polymers and other organic compounds. The molecule also serves as an excellent example for teaching stereochemistry concepts, as its structure clearly demonstrates how the arrangement of atoms in space can influence a compound’s properties even when the molecular formula remains unchanged.
2.0
99%
CP
SG T2BCP-
<1%
2.5
99.5%
INS
SG T2BINS-
<0.5%
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