Overview
4-Dipentene, also known as dipentene or limonene, is a cyclic terpene hydrocarbon derived from citrus peels and other plant sources. It is widely used in the chemical industry due to its pleasant citrus-like odor and solvent properties. The compound is a common ingredient in fragrances, cleaning products, and industrial solvents. In addition to its industrial applications, 4-dipentene is also used in the synthesis of other chemicals, including resins and rubber additives. Its versatility and relatively low cost make it a popular choice for manufacturers across various sectors.
Physical and Chemical Properties
4-Dipentene is a colorless to pale yellow liquid with a characteristic citrus-like odor. It has a molecular weight of 136.23 g/mol and a density of 0.84 g/cm³. The compound is highly volatile and flammable, with a boiling point of 176-177°C and a melting point of -96.9°C. It is insoluble in water but readily dissolves in organic solvents such as ethanol, ether, and chloroform. These properties make it an effective solvent for resins, waxes, and other non-polar substances. Its reactivity includes participation in Diels-Alder reactions and oxidation processes.
Main Applications
4-Dipentene is primarily used in the fragrance industry due to its pleasant citrus scent. It is a key component in perfumes, soaps, and household cleaners. Additionally, it serves as a solvent in paints, varnishes, and adhesives. In the chemical industry, it is used as a precursor for synthesizing resins, rubber chemicals, and other terpene derivatives. Its solvency properties also make it valuable in industrial cleaning agents and degreasers. The compound's versatility extends to agricultural applications, where it is used as an insect repellent.
Safety and Storage
4-Dipentene is a flammable liquid and should be stored in a cool, dry, well-ventilated area away from heat sources and open flames. Proper grounding of containers is necessary to prevent static discharge. The compound can cause skin and eye irritation, so personal protective equipment (PPE) such as gloves and goggles should be worn during handling. In case of spills, absorb with inert material and dispose of according to local regulations. Avoid inhalation of vapors, and ensure adequate ventilation in workspaces. Proper labeling and storage in approved containers are essential for safety compliance.
B2B Procurement Guide
When procuring 4-dipentene, buyers should verify the purity level, which typically ranges from 95% to 99%. Packaging options include drums, totes, and bulk shipments, depending on volume requirements. It is advisable to source from suppliers with certifications such as ISO or GMP to ensure quality and consistency. Price fluctuations may occur based on market demand and raw material availability. Buyers should also consider logistical factors, such as storage conditions and transportation regulations for flammable liquids. Establishing long-term contracts with reliable suppliers can help secure stable pricing and supply.
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