1,3-Pentadiene Monomer Utilization in Synthetic Rubber Production Processes (CAS 504-60-9) is a high-purity industrial chemical essential to the manufacture of various synthetic rubbers and elastomers. This monomer, available in both industrial and pharmaceutical grades and supplied as an in-stock item, offers high assay reliability and consistent chemical performance. With a demonstrated role in advanced polymerization techniques, this material is ideal for continuous or batch rubber synthesis workflows requiring stringent purity and physical parameter control. For those seeking a dependable feedstock to support synthetic rubber production or related specialty polymer operations, prompt bulk pricing is available upon request.
At the molecular level, 1,3-pentadiene—also known by synonyms such as piperylene, divinylmethane, and 1,3-divinylethane—has the molecular formula C5H8 and a molecular weight of 68.12 g/mol. As a conjugated diene, it features two double bonds separated by a single methylene group, conferring reactive sites suitable for Diels-Alder cycloadditions, free-radical polymerizations, and various addition reactions central to elastomer synthesis. The physical properties of this compound include a density of 0.681 g/cm³, a boiling point of 42–44°C, a melting point of –136°C, and a flash point of –32°C. Its moderate logP value of 2.7 describes favorable volatility and partitioning behavior in organic and aqueous matrices, supporting its role in liquid-phase synthetic processes. The monomer is supplied as a colorless, volatile liquid with a minimum assay purity of 99.5% and a water content below 0.05%, ensuring reliable incorporation into high-specification manufacturing.
In industrial use, 1,3-pentadiene is indispensable as a monomer in the production of synthetic rubbers such as styrene-butadiene rubber (SBR), acrylonitrile rubber (NBR), and specialty copolymers tailored for automotive, manufacturing, and consumer goods. Its high conjugation and consistent reactivity enable precise control over polymer microstructures, resulting in materials with improved durability, elasticity, and thermal resistance. This chemical is central in flow chemistry environments and continuous manufacturing lines, where its predictable performance minimizes variability and aligns with modern, large-scale elastomer manufacturing requirements. Beyond the core rubber industry, 1,3-pentadiene is utilized as an intermediate in the synthesis of adhesives, resins, and certain specialty aromatic compounds. Its Diels-Alder reactivity also makes it valuable for producing cyclic compounds needed in advanced material science and pharmaceutical intermediates. In research and development settings, it serves as a model diene in studies of polymerization kinetics and industrial process optimization, underlining its versatility and pivotal role in chemical manufacturing.
For handling and logistics, 1,3-pentadiene is packaged in 25kg high-density polyethylene (HDPE) drums, each purged with nitrogen to ensure chemical stability during extended storage. The recommended storage condition is in a tightly sealed, cool, and dry environment away from direct sunlight and ignition sources. Under these conditions, the product maintains optimum quality for at least 24 months from the manufacturing date. Full certificate of analysis (COA) documentation accompanies each shipment to support quality assurance and regulatory compliance.
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