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High purity Isoprene

High purity Isoprene, IUPAC name 2-methyl-1,3-butadiene, is a conjugated diene with a molecular formula of C5H8. For natural product terpenoids, they are classified by the number of isoprene units contained in the molecule. Terpenes composed of one isoprene unit are called semiterpenes, those composed of two are called monoterpenes, and so on....

Release time：2025-04-26

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Overview

High purity Isoprene, IUPAC name 2-methyl-1,3-butadiene, is a conjugated diene with a molecular formula of C5H8. For natural product terpenoids, they are classified by the number of isoprene units contained in the molecule. Terpenes composed of one isoprene unit are called semiterpenes, those composed of two are called monoterpenes, and so on.

Properties

High purity Isoprene itself is a colorless liquid insoluble in water, but it is miscible with solvents such as ethanol, ether, acetone and benzene. It is easy to polymerize itself and copolymerize with other unsaturated compounds. If it is polymerized under a Ziegler-Natta catalyst, polyisoprene will be produced, which is what we call natural rubber. It has excellent elasticity, tension, etc. A small amount of isoprene and isobutylene copolymerization will produce butyl rubber.

Industrial Uses

In common industries, it is produced by catalytic dehydrogenation of isopentane or methylbutene, taken from the by-products obtained from the cracking of light oil to produce ethylene, and synthesized with propylene. Propylene is dimerized under trialkylaluminum, and the produced 2-methyl-1-pentene is isomerized to 2-methyl-2-pentene under an acidic catalyst and decomposed into isoprene and methane.

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