What Is Adipic Acid?

Adipic acid is an important organic dicarboxylic acid widely used as an industrial chemical raw material. It appears as a white crystalline solid at room temperature and has good stability under normal storage conditions.

With its two carboxyl groups, adipic acid can participate in various chemical reactions, making it an important intermediate and building block for polymers, resins and other chemical products.

Chemical Properties

• Chemical Name: Adipic Acid
• CAS No.: 124-04-9
• Molecular Formula: C₆H₁₀O₄
• Molecular Weight: 146.14 g/mol
• Appearance: White crystalline powder or crystals
• Melting Point: Approximately 152°C
• Solubility: Slightly soluble in water and soluble in alcohols and other organic solvents

Main Applications

Adipic acid is primarily used in the production of nylon 6,6, where it reacts with hexamethylenediamine to produce nylon polymer. Nylon 6,6 is widely used in textiles, engineering plastics, automotive components and industrial materials.

Adipic acid is also used in the manufacture of polyurethane, polyester polyols, plasticizers, coatings, adhesives and synthetic resins. In addition, it can serve as an intermediate in the production of various specialty chemicals.

Adipic Acid in Coatings and Resins

In the coatings and resin industries, adipic acid is valued for its ability to contribute to polymer structures and modify material properties. It is used in certain polyester and polyurethane systems to help achieve the desired flexibility, durability and chemical resistance.

This makes adipic acid an important raw material for manufacturers producing coatings, adhesives, elastomers and other polymer-based materials.

Storage and Handling

Adipic acid should be stored in a cool, dry and well-ventilated area, away from incompatible materials. Containers should be kept tightly closed to prevent contamination and moisture exposure. Appropriate personal protective equipment should be used during handling, particularly to avoid prolonged contact with dust.

Conclusion

Adipic acid (CAS 124-04-9) is a versatile industrial chemical with extensive applications in nylon, polyurethane, polyester, coatings, adhesives and synthetic resins. Its broad range of applications makes it an important raw material for the polymer and chemical industries.