Overview
Undec-5-ene (CAS 821-95-4) is an unsaturated hydrocarbon belonging to the alkene family. It is commonly used in organic synthesis and industrial applications due to its reactive double bond. The compound is a colorless liquid with a mild odor and is primarily sourced from petrochemical feedstocks. In the B2B sector, undec-5-ene is valued for its role as an intermediate in the production of fragrances, plasticizers, and specialty chemicals. Its molecular structure makes it suitable for further chemical modifications, such as hydrogenation or polymerization.
Physical and Chemical Properties
Undec-5-ene has a molecular formula of C11H22 and a molecular weight of 154.29 g/mol. It is a colorless liquid with a density of approximately 0.75 g/cm³ and a boiling point between 190-195°C. The compound is insoluble in water but dissolves readily in common organic solvents like ethanol and acetone. Its key chemical property is the presence of a double bond at the 5th carbon position, which makes it reactive in addition reactions. This feature is exploited in synthetic chemistry to create longer-chain molecules or functionalized derivatives. The compound is flammable and should be handled with care to avoid ignition.
Main Applications
Undec-5-ene is widely used in the fragrance industry as a precursor for musks and other aromatic compounds. Its unsaturated structure allows for further chemical transformations, such as oxidation or hydration, to produce valuable scent molecules. In industrial settings, it serves as a monomer or intermediate for lubricant additives and specialty polymers. Some manufacturers also use it as a solvent or carrier fluid in formulations requiring low volatility and high solubility for non-polar substances.
Safety and Storage
As a flammable liquid, undec-5-ene requires careful storage in approved containers away from heat, sparks, and open flames. It should be kept in a cool, well-ventilated area, preferably in a flammable storage cabinet. Proper grounding is essential to prevent static discharge during transfer. Personal protective equipment (PPE), including chemical-resistant gloves and safety goggles, is recommended when handling the compound. In case of spills, use inert absorbents like sand or vermiculite, and avoid water to prevent spreading.
B2B Procurement Guide
When sourcing undec-5-ene, B2B buyers should prioritize suppliers that provide certificates of analysis (CoA) to verify purity and CAS number compliance. Bulk purchases typically offer cost advantages, but storage capacity and shelf-life considerations should be evaluated. Request samples for quality testing before large orders, and inquire about packaging options (e.g., drums, totes) to match your handling capabilities. Lead times may vary depending on supplier inventory, so plan procurement accordingly to avoid production delays.
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