I-1.phthalic Anhydride ingenye yezinto ezibaluleke kakhulu zamakhemikhali zamakhemikhali ezi-organic, ama-derivatives alo aphambili yi-dibutyl perthalate, i-dioctyl ester kanye ne-diisobuttyl ester, futhi ingasetshenziswa njenge-plistic ye-PVC, njll.
2.Kungasetshenziswa futhi ekukhiqizweni kwe-resin ye-polyerated resen evikelekile, i-alkyd resin, udayi kanye nemibala, izithasiselo ezahlukahlukene, izithasiselo zokudla, njll.