Tri-N-Octylphosphine, with the CAS number 4731-53-7, is a high - quality chemical compound. It is a colorless to pale - yellow liquid under normal conditions. The chemical formula of Tri - N - Octylphosphine is C₂₄H₅₁P. It has a molecular weight of approximately 370.64 g/mol.
The product is known for its high purity, which ensures reliable performance in various applications. It is carefully synthesized and refined to meet strict quality standards. The boiling point of Tri - N - Octylphosphine is around 205 - 207°C at 1 mmHg, and its density is about 0.83 g/cm³ at 20°C. This compound is insoluble in water but soluble in common organic solvents such as hexane, toluene, and chloroform.
Tri - N - Octylphosphine has a wide range of applications in different industries. In the field of organic synthesis, it is often used as a ligand in transition - metal - catalyzed reactions. The unique electronic and steric properties of Tri - N - Octylphosphine can enhance the catalytic activity and selectivity of metal catalysts, which is beneficial for the synthesis of complex organic molecules.
In materials science, it is used in the preparation of quantum dots. Quantum dots are semiconductor nanoparticles with unique optical and electronic properties. Tri - N - Octylphosphine can act as a stabilizer and a reducing agent during the synthesis process, helping to control the size, shape, and surface properties of quantum dots, thereby influencing their optical and electronic performance.
It is also used in the field of polymer chemistry. It can be used as a modifier to improve the properties of polymers, such as enhancing the thermal stability and mechanical properties of polymers.
When using Tri - N - Octylphosphine, it is necessary to follow proper safety procedures. First, ensure that you are working in a well - ventilated area to prevent the inhalation of vapors. Wear appropriate personal protective equipment, including safety goggles, gloves, and a lab coat.
In organic synthesis, the amount of Tri - N - Octylphosphine used needs to be carefully controlled according to the reaction requirements. Usually, it is added to the reaction system under an inert gas atmosphere (such as nitrogen or argon) to prevent oxidation. Mix it thoroughly with other reactants and catalysts at an appropriate temperature and reaction time.
For the synthesis of quantum dots, Tri - N - Octylphosphine is typically added during the precursor solution preparation stage. The reaction conditions, such as temperature, reaction time, and the ratio of reactants, need to be optimized to obtain quantum dots with the desired properties.
Case 1: In an organic synthesis project, a research group was trying to synthesize a complex natural product. They used Tri - N - Octylphosphine as a ligand in a palladium - catalyzed cross - coupling reaction. By carefully adjusting the reaction conditions, including the amount of Tri - N - Octylphosphine and the reaction temperature, they achieved a high - yield synthesis of the target product. The use of Tri - N - Octylphosphine improved the selectivity of the reaction, reducing the formation of by - products.
Case 2: A materials science team was working on the synthesis of high - quality quantum dots for light - emitting diodes (LEDs). They added Tri - N - Octylphosphine to the reaction system as a stabilizer and reducing agent. Through a series of experiments, they found that the addition of Tri - N - Octylphosphine could effectively control the size distribution of quantum dots. The quantum dots synthesized with Tri - N - Octylphosphine showed excellent photoluminescence properties, which improved the performance of the LEDs.
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