Profile: Funan Chemical Industrial Co. Ltd. specializes in the production of medical & dye intermediate products and coal chemical products. Our product list comprises of 1,4,5,8-naphthalenetetracarboxylic acid, 1,4,5,8-naphthalenetetracarboxylic dianhydride, naphthalenetetracarboxylic acid, naphthalenetetracarboxylic dianhydride and polymerization aluminum chloride. The 1,4,5,8-naphthalenetetracarboxylic acid is a light yellow or white powder with no fixed melting point. It dissolves in acetone. The 1,4,5,8-naphthalenetetracarboxylic dianhydride is a pale yellow powdery solid. It is used in the synthesis of high temperature polymer materials such as polyimide resin.