1,Structural formula:
                          

2, Physicochemical property: White crystal powder, melting point 284-288ºC, relative density 1.68 (20ºC), boiling point 397.4ºC. Dissolves in dimethyl sulfoxide, dimethylformamide, acetone, ethyl acetate, tetrahydrofuran.
3, Use: Making polyimide film, polyimide resin, deadening agent of powder coating, insulating material, phenolics stabilizer, corrosion inhibitor, electrofax toner.
4. Quality standard: Q/GJJ01-1997

5. Packing,storage and transportation: Corrugated paper barrel, 25 kg/barrel, linning packing is PE bag, the export is vacuum-bag in cool, dry place of moisture-proof, far from the heat source.
6, Productivity: 500 tons/year.