Adipic acid dihydrazide

Adipic acid dihydrazide (ADH) is an organic compound with the formula C₆H₁₄N₄O₂. It is a derivative of adipic acid, where the carboxylic acid groups are converted to hydrazide groups. ADH is a white crystalline solid that is soluble in water and is used in various industrial applications.

Synthesis

Adipic acid dihydrazide is synthesized by the reaction of adipic acid with hydrazine. The reaction involves the conversion of the carboxylic acid groups of adipic acid into hydrazide groups, resulting in the formation of ADH.

Applications

ADH is used in a variety of applications due to its ability to form cross-links with other molecules. Some of its primary uses include:

• **Cross-linking agent**: ADH is used as a cross-linking agent in the production of water-based polyurethanes and epoxy resins. It helps improve the mechanical properties and chemical resistance of the final product.
• **Curing agent**: In the field of coatings and adhesives, ADH acts as a curing agent, enhancing the durability and performance of the materials.
• **Chemical intermediate**: ADH serves as an intermediate in the synthesis of other chemical compounds, including pharmaceuticals and agrochemicals.

Safety and Handling

Adipic acid dihydrazide should be handled with care, as it can be an irritant 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 substances.

Environmental Impact

ADH is considered to have a low environmental impact when used and disposed of properly. However, as with all chemicals, it is important to follow appropriate disposal guidelines to minimize any potential environmental harm.

Also see

• Adipic acid
• Hydrazine
• Polyurethane
• Epoxy resin