Mesitylene CAS 108-67-8： Everything You Need to Know About This Chemical

Abstract

This article provides a comprehensive overview of mesitylene, a chemical compound with the CAS number 108-67-8. It delves into the physical and chemical properties, uses, production methods, safety considerations, environmental impact, and regulatory aspects of mesitylene. By exploring these facets, the article aims to offer a comprehensive understanding of this chemical and its significance in various industries.

Introduction to Mesitylene CAS 108-67-8

Mesitylene, also known as 1,3,5-trimethylbenzene, is a colorless liquid organic compound with the CAS number 108-67-8. It is a derivative of benzene and is widely used in the production of various chemicals and materials. This article will explore the various aspects of mesitylene, including its physical and chemical properties, uses, production methods, safety considerations, environmental impact, and regulatory aspects.

Physical and Chemical Properties of Mesitylene

Mesitylene is a volatile, flammable liquid with a characteristic odor reminiscent of turpentine. It has a boiling point of approximately 153°C and a melting point of around -47°C. The compound is insoluble in water but is soluble in organic solvents. Mesitylene is a non-polar compound, which makes it suitable for use in various applications where non-polar solvents are required.

The chemical structure of mesitylene consists of a benzene ring with three methyl groups attached to the first, third, and fifth carbon atoms. This structure contributes to its unique physical and chemical properties, including its high reactivity and ability to undergo various chemical transformations.

Uses of Mesitylene

Mesitylene finds extensive use in the chemical industry due to its versatile properties. One of the primary applications of mesitylene is in the production of styrene, a monomer used in the manufacturing of polystyrene plastics. Polystyrene is widely used in packaging materials, insulation, and as a building material.

Additionally, mesitylene is used in the synthesis of other chemicals, such as phthalates, which are used as plasticizers in various applications. It is also employed in the production of pharmaceuticals, dyes, and fragrances.

Production Methods of Mesitylene

The production of mesitylene primarily involves the catalytic reforming of naphthalene. Naphthalene is a byproduct of coal tar, and its reforming process involves the reaction with hydrogen over a catalyst at high temperatures and pressures. This process converts naphthalene into mesitylene, along with other aromatic compounds.

Another method for producing mesitylene is through the dehydrogenation of toluene, which involves the removal of hydrogen from toluene to form mesitylene. This process is typically carried out at high temperatures and pressures and requires a suitable catalyst.

Safety Considerations for Mesitylene

Mesitylene is a hazardous chemical, and proper safety measures must be taken when handling it. The compound is flammable and can form explosive mixtures with air. It can also cause irritation to the eyes, skin, and respiratory system upon contact.

To ensure safety, it is crucial to use appropriate personal protective equipment (PPE) when working with mesitylene. This includes wearing gloves, safety goggles, and protective clothing. Adequate ventilation is also essential to prevent the accumulation of vapors in enclosed spaces.

In case of accidental exposure, immediate medical attention should be sought. First aid measures may include flushing the eyes with water, removing contaminated clothing, and seeking medical advice.

Environmental Impact of Mesitylene

The production and use of mesitylene can have environmental implications. The release of mesitylene into the environment can lead to soil and water contamination, which can affect ecosystems and human health. Therefore, proper waste management and disposal practices are crucial to minimize environmental impact.

Efforts are being made to develop more sustainable production methods for mesitylene, such as the use of renewable feedstocks and the implementation of cleaner production technologies. These initiatives aim to reduce the environmental footprint associated with the production and use of mesitylene.

Regulatory Aspects of Mesitylene

Mesitylene is subject to various regulations and standards to ensure its safe handling and use. These regulations vary by country and are designed to protect human health and the environment. In many regions, mesitylene is classified as a hazardous substance, and its transportation, storage, and use are governed by specific regulations.

Regulatory bodies, such as the Occupational Safety and Health Administration (OSHA) in the United States and the European Chemicals Agency (ECHA) in Europe, provide guidelines and standards for the safe handling of mesitylene. Compliance with these regulations is essential for businesses involved in the production, distribution, and use of mesitylene.

Conclusion

Mesitylene, with the CAS number 108-67-8, is a versatile chemical compound with a wide range of applications in the chemical industry. This article has provided an in-depth exploration of mesitylene, covering its physical and chemical properties, uses, production methods, safety considerations, environmental impact, and regulatory aspects. Understanding these facets is crucial for anyone involved in the production, handling, or use of mesitylene, as it ensures the safe and responsible use of this chemical.

Keywords: mesitylene, CAS 108-67-8, physical properties, chemical properties, uses, production methods, safety considerations, environmental impact, regulatory aspects.