Abstract

This article provides a comprehensive overview of N-tert-Butyl-a-Phenyl Nitrone, a highly pure compound with the CAS No. 3376-24-7. The article delves into the chemical properties, synthesis methods, applications, and potential risks associated with this compound. It also discusses the importance of purity in its usage and the significance of its CAS number in the chemical industry. The article aims to serve as a reference for researchers, chemists, and anyone interested in understanding the details of this compound.

Introduction to N-tert-Butyl-a-Phenyl Nitrone

N-tert-Butyl-a-Phenyl Nitrone, with the CAS No. 3376-24-7, is a well-known compound in the field of chemistry. It is a stable free radical scavenger that is widely used in various applications, including as a spin trap in magnetic resonance imaging (MRI) and as a stabilizer in polymer chemistry. This compound is characterized by its ability to react with free radicals, thereby preventing oxidative degradation and extending the shelf life of sensitive materials.

Chemical Properties

N-tert-Butyl-a-Phenyl Nitrone is a solid compound that is typically colorless or pale yellow. It has a molecular formula of C₁₁H₁₃NO and a molecular weight of 169.21 g/mol. The compound contains a nitrone group (-NO) attached to a phenyl ring, which is further substituted with a tert-butyl group. This structural arrangement contributes to its stability and reactivity. The nitrone group is highly reactive towards free radicals, making it an effective scavenger in various chemical processes.

Synthesis Methods

The synthesis of N-tert-Butyl-a-Phenyl Nitrone involves several steps, including the preparation of the phenyl nitro compound and the subsequent reduction to the nitrone. One common method involves the reaction of 4-nitrobenzoic acid with sodium nitrite in the presence of hydrochloric acid to form the nitro compound. This is followed by reduction using sodium borohydride to yield the nitrone. The purity of the final product is crucial, and various purification techniques such as recrystallization and chromatography are employed to achieve the desired 98% purity.

Applications

N-tert-Butyl-a-Phenyl Nitrone finds extensive application in various fields. One of its primary uses is as a spin trap in MRI, where it reacts with paramagnetic free radicals to form stable nitroxide radicals. This reaction provides valuable information about the presence and nature of free radicals in biological systems. Additionally, the compound is used as a stabilizer in polymer chemistry, particularly in polyolefins, to prevent oxidative degradation and improve the lifespan of the polymers.

Importance of Purity

The purity of N-tert-Butyl-a-Phenyl Nitrone is of utmost importance due to its specific applications. Impurities can affect the reactivity and stability of the compound, leading to inconsistent results in experiments. Therefore, achieving and maintaining a purity of 98% is essential for reliable and reproducible results. The CAS No. 3376-24-7 is a unique identifier that ensures the compound's purity and helps in the accurate identification and tracking of the material in the chemical industry.

Potential Risks

While N-tert-Butyl-a-Phenyl Nitrone is a valuable compound with numerous applications, it is important to be aware of its potential risks. The compound is toxic if ingested or inhaled, and it can cause irritation to the skin and eyes. Proper handling and storage procedures are necessary to minimize these risks. Researchers and chemists working with this compound should follow safety guidelines and use appropriate protective equipment.

Conclusion

N-tert-Butyl-a-Phenyl Nitrone, with the CAS No. 3376-24-7, is a highly pure compound with significant applications in various scientific and industrial fields. Its ability to react with free radicals makes it a valuable tool in research and development. The importance of maintaining its purity cannot be overstated, as it directly impacts the reliability and reproducibility of experiments. While there are potential risks associated with its use, proper handling and safety measures can mitigate these concerns. Overall, N-tert-Butyl-a-Phenyl Nitrone remains a crucial compound in the chemical industry.

Keywords

N-tert-Butyl-a-Phenyl Nitrone, CAS No. 3376-24-7, free radical scavenger, spin trap, polymer chemistry, purity, safety, chemical industry.