Overview
2-Methyl-2-butene is a branched-chain alkene classified as an olefin. It is one of three isomers of pentene, characterized by a double bond at the second carbon and a methyl group substitution. This compound is primarily produced as a byproduct in petroleum refining or synthesized for specific industrial applications. As a volatile organic compound (VOC), 2-methyl-2-butene requires careful handling due to its flammability and reactivity. Its chemical structure makes it valuable for various organic reactions, particularly in the production of more complex hydrocarbons and specialty chemicals.
Physical and Chemical Properties
2-Methyl-2-butene is a colorless liquid at room temperature with a characteristic hydrocarbon odor. Its low boiling point (38.5°C) indicates high volatility, requiring sealed containers for storage. The compound's density (0.662 g/cm³) is lower than water, consistent with its hydrocarbon nature. Chemically, it exhibits typical alkene reactivity, participating in addition reactions (e.g., hydrogenation, halogenation) and polymerization. The branching at the second carbon affects its reactivity compared to linear alkenes. It is stable under recommended storage conditions but may form peroxides upon prolonged exposure to air.
Main Applications
In organic synthesis, 2-methyl-2-butene serves as a building block for pharmaceuticals, agrochemicals, and fragrances. Its reactivity allows for the creation of more complex molecules through alkylation or addition reactions. The petrochemical industry utilizes it as an octane booster in gasoline formulations and as a comonomer in polymer production. Additionally, it finds niche applications in specialty fuel additives and as a solvent for specific industrial processes requiring non-polar media.
Safety and Storage
As a highly flammable liquid (Flash point: -34°C), 2-methyl-2-butene requires storage in approved flammable liquid cabinets away from heat and ignition sources. Proper grounding of containers is essential to prevent static discharge. Personnel should use chemical-resistant gloves, eye protection, and respiratory equipment when handling. Spills should be contained with inert absorbents and disposed of as hazardous waste. Storage areas must have adequate ventilation to prevent vapor accumulation.
B2B Procurement Guide
Industrial buyers should specify purity requirements (typically 95-99%) based on application needs. Technical grade is sufficient for most fuel applications, while chemical synthesis may require higher purity. Consider transportation regulations for flammable liquids when arranging logistics. Establish long-term contracts with reliable suppliers to ensure consistent quality and stable pricing. Request SDS documentation and quality certificates with each shipment.
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