cas number glacial acetic acid

Glacial Acetic Acid A Comprehensive Overview

Glacial acetic acid, commonly known by its chemical formula CH₃COOH, is a colorless liquid with a pungent odor. It is an essential organic compound and an important chemical raw material used across various industries. The CAS number 64-19-7 uniquely identifies this chemical compound, and it is vital for regulatory, safety, and tracking purposes in chemical databases and industry practices.

Properties and Characteristics

Glacial acetic acid is characterized by its high purity, typically containing about 99.5% acetic acid. It is hygroscopic and can absorb moisture from the air, which makes it crucial to handle this compound in a controlled environment. The melting point of glacial acetic acid is around 16.6 °C (61.88 °F), which is why it is termed glacial—it forms solid crystals at temperatures below this point. Its boiling point is approximately 118.1 °C (244.58 °F). This compound is miscible with water, alcohols, and many organic solvents, which widens its applicability in various chemical reactions and processes.

Glacial acetic acid has numerous applications across different industries. One of the primary uses is in the production of various chemicals. It serves as a key starting material for synthesizing acetic anhydride and acetate esters, which are used in making plastics, synthetic fibers, and various solvents. Its role as a solvent is particularly significant in the production of paints, coatings, and adhesives, enhancing the performance of these materials.

Furthermore, glacial acetic acid is utilized in the textile industry for dyeing and printing fabrics. In the food industry, it is used as a preservative and flavoring agent, commonly known as vinegar when diluted. Thus, glacial acetic acid traverses a wide array of sectors, demonstrating its versatility and importance.

Safety and Handling

Despite its usefulness, glacial acetic acid is hazardous. It is classified as a corrosive material and can cause severe burns upon contact with skin or eyes. Inhalation of vapors can irritate the respiratory system, and prolonged exposure may lead to more severe health risks. Therefore, it is imperative to follow strict safety protocols when handling this compound, including wearing appropriate personal protective equipment (PPE) such as gloves, goggles, and respirators.

Proper storage is crucial to prevent leaks and spills. Glacial acetic acid should be stored in tightly sealed containers away from heat sources and incompatible materials, such as strong oxidizers. Additionally, in industrial settings, effective ventilation systems should be in place to minimize inhalation risks.

Conclusion

Glacial acetic acid is an invaluable chemical compound with diverse applications across various industries. Its unique properties and characteristics make it essential in manufacturing, food processing, textile dyeing, and more. However, its hazardous nature necessitates careful handling and adherence to safety guidelines to mitigate health risks. As industries continue to evolve and expand, the role of glacial acetic acid in chemical processes and formulations will likely remain significant, driving innovation and efficiency in product development. Understanding this compound thoroughly allows industries to harness its benefits while ensuring the safety of workers and the environment.