Adipic acid dihydrazide

Adipic Acid Dihydrazide

Chemical structure of Adipic Acid Dihydrazide

Adipic Acid Dihydrazide is an organic compound with the formula C_H__N_O_. It is a derivative of adipic acid, where the carboxylic acid groups are converted to hydrazide groups. This compound is used in various industrial applications, particularly in the production of polymers and as a cross-linking agent.

Chemical Properties

Adipic Acid Dihydrazide is a white crystalline solid that is soluble in water and polar organic solvents. It has a melting point of approximately 177-179 °C. The compound is stable under normal conditions but can decompose upon heating to release nitrogen gas.

Synthesis

The synthesis of Adipic Acid Dihydrazide typically involves the reaction of adipic acid with hydrazine. The process can be represented by the following chemical equation:

C_H__O_ + 2 N_H_ _ C_H__N_O_ + 2 H_O

This reaction is usually carried out in an aqueous medium, and the product is isolated by crystallization.

Applications

Adipic Acid Dihydrazide is primarily used as a cross-linking agent in the production of polyurethanes and epoxy resins. It enhances the mechanical properties and thermal stability of these materials. Additionally, it is used in the formulation of waterborne coatings and adhesives.

Cross-linking Agent

In polymer chemistry, Adipic Acid Dihydrazide acts as a cross-linking agent by forming covalent bonds between polymer chains. This process increases the rigidity and strength of the material, making it suitable for various industrial applications.

Waterborne Coatings

In the coatings industry, Adipic Acid Dihydrazide is used to improve the durability and chemical resistance of waterborne coatings. It helps in forming a stable film that adheres well to surfaces, providing protection against environmental factors.

Safety and Handling

Adipic Acid Dihydrazide should be handled with care, as it can cause irritation to the skin and eyes. Proper personal protective equipment, such as gloves and goggles, should be worn when handling the compound. It should be stored in a cool, dry place away from incompatible materials.

Related Pages

• Adipic acid
• Hydrazine
• Polyurethane
• Epoxy resin