Adipic Acid Is Mainly Used As A Raw Material For Nylon 66 And Engineering Plastics, And Is Also Used In The Production Of A Variety Of Esters, As A Raw Material For Polyurethane Elastomers, And As An Acidifier For A Variety Of Foods And Beverages, Where It Is Sometimes Superior To Citric Acid And Tartaric Acid. Adipic Acid Is Also A Raw Material For Pharmaceuticals, Yeast Purification, Pesticides, Adhesives, Synthetic Leather, Synthetic Dyes And Fragrances