The Ultimate Guide to 2(5H)-Furanone CAS 497-23-4： Everything You Need to Know

Abstract

This article provides a comprehensive guide to 2(5H)-Furanone, also known as CAS 497-23-4. It delves into the chemical properties, synthesis methods, applications, safety considerations, and regulatory aspects of this compound. The guide aims to offer a detailed understanding of 2(5H)-Furanone, making it an essential resource for researchers, chemists, and anyone interested in this chemical entity.

Introduction to 2(5H)-Furanone CAS 497-23-4

2(5H)-Furanone, with the chemical formula C4H4O2, is a five-membered heterocyclic compound belonging to the furanone family. It is commonly referred to by its CAS number, 497-23-4. This compound is of significant interest in various fields, including organic synthesis, pharmaceuticals, and flavor chemistry. The guide aims to provide an in-depth look into the properties and uses of 2(5H)-Furanone, ensuring that readers have a thorough understanding of this versatile compound.

Chemical Properties of 2(5H)-Furanone

2(5H)-Furanone is a colorless to pale yellow liquid with a characteristic fruity odor. It has a melting point of approximately 8-10°C and a boiling point of around 155-156°C. The compound is soluble in organic solvents such as ethanol, acetone, and diethyl ether but is sparingly soluble in water. Its molecular structure consists of a five-membered furan ring with a ketone group attached to the second carbon atom. These properties make 2(5H)-Furanone a valuable intermediate in organic synthesis.

Synthesis of 2(5H)-Furanone

The synthesis of 2(5H)-Furanone can be achieved through various methods, including the Diels-Alder reaction, the Claisen condensation, and the Knoevenagel condensation. The Diels-Alder reaction involves the reaction of a diene with a dienophile to form a cyclic compound. In the case of 2(5H)-Furanone, the diene is typically a substituted butadiene, and the dienophile is a substituted aldehyde or ketone. The Claisen condensation and the Knoevenagel condensation are other synthetic routes that can be used to produce 2(5H)-Furanone, each with its own set of advantages and limitations.

Applications of 2(5H)-Furanone

2(5H)-Furanone finds extensive applications in the pharmaceutical industry, where it serves as a key intermediate in the synthesis of various drugs. It is also used in flavor and fragrance industries, contributing to the production of natural and synthetic flavors. Additionally, 2(5H)-Furanone is employed in the synthesis of dyes, polymers, and other organic compounds. Its versatility and reactivity make it a valuable building block in organic chemistry.

Safety Considerations

As with any chemical compound, safety is a crucial aspect when handling 2(5H)-Furanone. The compound is considered toxic and can cause irritation to the skin, eyes, and respiratory system. It is essential to wear appropriate personal protective equipment, such as gloves, goggles, and a lab coat, when working with this compound. Proper ventilation and adherence to safety protocols are also necessary to minimize the risk of exposure.

Regulatory Aspects

The production, import, and export of 2(5H)-Furanone are subject to regulatory controls. The compound is listed under various regulations, including the European Union's REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) and the United States' TSCA (Toxic Substances Control Act). Compliance with these regulations is essential for manufacturers and users of 2(5H)-Furanone to ensure the safety of human health and the environment.

Conclusion

The Ultimate Guide to 2(5H)-Furanone CAS 497-23-4: Everything You Need to Know serves as an invaluable resource for anyone interested in this compound. From its chemical properties and synthesis methods to its applications and safety considerations, the guide provides a comprehensive overview of 2(5H)-Furanone. By understanding the intricacies of this compound, researchers, chemists, and industry professionals can make informed decisions regarding its use and ensure compliance with regulatory requirements.

Keywords: 2(5H)-Furanone, CAS 497-23-4, chemical properties, synthesis, applications, safety, regulatory aspects