The product named "High Quality 1,5-Cyclooctadiene CAS 111 - 78 - 4 With Best Price" is a high - quality chemical compound. The CAS number 111 - 78 - 4 is a unique identifier for 1,5 - Cyclooctadiene in the chemical industry. This compound has a molecular formula of C₈H₁₂ and a molar mass of approximately 108.18 g/mol.
It is a colorless to pale yellow liquid with a characteristic odor. Its boiling point is around 150 - 152 °C, and the melting point is approximately - 69 °C. The density of 1,5 - Cyclooctadiene is about 0.88 g/cm³ at 25 °C. It is insoluble in water but soluble in common organic solvents such as ethanol, ether, and benzene.
1,5 - Cyclooctadiene has a wide range of applications in various industries. In the field of organic synthesis, it serves as a valuable building block. It can participate in many chemical reactions, such as Diels - Alder reactions, where it can react with dienophiles to form complex cyclic compounds. This makes it an important intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals.
In the polymer industry, 1,5 - Cyclooctadiene can be used as a monomer for the production of polymers and copolymers. The unique structure of the compound can introduce special properties to the resulting polymers, such as improved flexibility and reactivity. It can also be used in the production of rubber - like materials with enhanced mechanical properties.
It also has applications in the field of coordination chemistry. 1,5 - Cyclooctadiene can act as a ligand to coordinate with metal ions, forming metal - organic complexes. These complexes have potential applications in catalysis, where they can be used as catalysts for various chemical reactions, such as hydrogenation and oxidation reactions.
When using 1,5 - Cyclooctadiene in a laboratory or industrial setting, proper safety precautions should be taken. Wear appropriate personal protective equipment, such as safety glasses, gloves, and a lab coat. Since it is a flammable liquid, it should be stored and used in a well - ventilated area away from sources of ignition.
In organic synthesis, the amount of 1,5 - Cyclooctadiene used depends on the specific reaction requirements. Usually, it is added to the reaction mixture using a syringe or pipette under an inert atmosphere, such as nitrogen or argon, to prevent oxidation. The reaction conditions, such as temperature, reaction time, and the presence of catalysts, also need to be carefully controlled according to the reaction mechanism.
When using it in polymer synthesis, the polymerization process may involve the use of initiators or catalysts. The monomer, 1,5 - Cyclooctadiene, is mixed with other monomers or additives in a reactor, and the reaction is carried out under specific temperature and pressure conditions.
**Pharmaceutical Synthesis Case**: In the synthesis of a novel anti - cancer drug, 1,5 - Cyclooctadiene was used as a key intermediate. First, it underwent a Diels - Alder reaction with a specific dienophile. The reaction was carried out in an anhydrous ether solution at a temperature of 50 °C for 24 hours in the presence of a Lewis acid catalyst. After purification, the resulting cyclic compound was further modified through a series of chemical reactions, including oxidation and amination, to form the final anti - cancer drug. This application demonstrated the importance of 1,5 - Cyclooctadiene in the development of new pharmaceuticals.
**Polymer Production Case**: A research team aimed to produce a flexible copolymer with improved reactivity. They used 1,5 - Cyclooctadiene as one of the monomers. The polymerization was carried out in a bulk polymerization process at 80 °C using a free - radical initiator. The resulting copolymer had excellent flexibility, which made it suitable for applications in flexible electronics. The unique structure of 1,5 - Cyclooctadiene contributed to the special properties of the copolymer, such as its ability to form cross - links under certain conditions.
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