... Anhydride is important organic chemical raw materials, mainly used for synthesis of unsaturated resins, coatings, lubricants additives, such ... Diels-Alder reactions. It is also a ligand for low-valent metal complexes, examples being Pt(PPh3) ... the production of polyimides and as an alignment film for liquid crystal displaysPropertyunitValueAppearanceWhite Pastille ,Briquet Molten type or flakesPurity( ...