What You Need to Know About 2-Butyne-1,4-diol (CAS 110-65-6) and Its Applications

Abstract

This article provides a comprehensive overview of 2-Butyne-1,4-diol (CAS 110-65-6), a versatile organic compound with significant applications in various industries. It delves into the chemical properties, synthesis methods, structural characteristics, safety considerations, and practical applications of this compound. By exploring these aspects, the article aims to offer a comprehensive understanding of 2-Butyne-1,4-diol and its role in modern chemistry and industry.

Introduction to 2-Butyne-1,4-diol (CAS 110-65-6)

2-Butyne-1,4-diol, also known as 1,4-butanediol, is a colorless, slightly soluble organic compound with the molecular formula C4H8O2. It is a diol, meaning it contains two hydroxyl (-OH) groups attached to a four-carbon chain. This compound is widely used in the production of plastics, resins, and other chemicals due to its unique properties. In this article, we will explore the various aspects of 2-Butyne-1,4-diol, including its synthesis, structure, safety, and applications.

Chemical Properties of 2-Butyne-1,4-diol

2-Butyne-1,4-diol is a hydroxylated derivative of butene, which is a four-carbon alkene. The presence of the hydroxyl groups makes it polar, which affects its solubility and reactivity. It is slightly soluble in water due to the formation of hydrogen bonds with water molecules. The compound is also soluble in organic solvents such as ethanol, acetone, and methylene chloride. The boiling point of 2-Butyne-1,4-diol is approximately 202°C, and its melting point is around 30°C. These physical properties make it suitable for various applications in the chemical industry.

Synthesis of 2-Butyne-1,4-diol

The synthesis of 2-Butyne-1,4-diol can be achieved through several methods, including the hydroxylation of butene, the hydrolysis of butyne diesters, and the oxidation of butene diols. The most common industrial method involves the hydroxylation of butene using a catalyst, such as phosphoric acid or sulfuric acid. This process is carried out under high pressure and temperature conditions to ensure the formation of the desired diol. The yield of the reaction can be optimized by controlling the reaction conditions and the choice of catalyst.

Structural Characteristics of 2-Butyne-1,4-diol

The molecular structure of 2-Butyne-1,4-diol consists of a four-carbon chain with a double bond between the first and second carbon atoms. The hydroxyl groups are attached to the first and fourth carbon atoms, respectively. This structure allows for various chemical reactions, such as condensation, esterification, and polymerization. The presence of the double bond and the hydroxyl groups makes 2-Butyne-1,4-diol a versatile building block in organic synthesis.

Safety Considerations

Like many organic compounds, 2-Butyne-1,4-diol requires careful handling and storage to ensure safety. It is flammable and can release toxic fumes when heated to decomposition. Therefore, it should be stored in a cool, well-ventilated area, away from incompatible materials such as oxidizers. In case of accidental exposure, appropriate personal protective equipment, such as gloves and safety goggles, should be worn. It is also important to follow the guidelines provided by the Material Safety Data Sheet (MSDS) when handling this compound.

Applications of 2-Butyne-1,4-diol

2-Butyne-1,4-diol finds extensive use in various industries due to its unique properties. Some of the primary applications include:

- **Plastics and Resins**: 2-Butyne-1,4-diol is a key component in the production of polyesters, polyurethanes, and other plastics. It is used as a monomer or a chain extender to improve the properties of these materials.
- **Synthetic Fibers**: This compound is used in the production of synthetic fibers, such as spandex and nylon, which are known for their elasticity and durability.
- **Detergents and Surfactants**: 2-Butyne-1,4-diol is used in the synthesis of detergents and surfactants, which are essential for cleaning and emulsifying purposes.

Conclusion

In conclusion, 2-Butyne-1,4-diol (CAS 110-65-6) is a versatile organic compound with a wide range of applications in the chemical industry. Its unique chemical properties, synthesis methods, and structural characteristics make it an essential building block for various products. By understanding the safety considerations and practical applications of this compound, researchers and industry professionals can harness its potential to create innovative materials and products.

Keywords: 2-Butyne-1,4-diol, CAS 110-65-6, hydroxylated derivative, synthesis, applications, safety considerations