1.Phthalic anhydride waa mid ka mid ah alaabta ceeriin ee kiimikaad ee ugu muhiimsan, asalkiisa ugu muhiimsan waa dibutyl phthalate, dioctyl ester iyo diisobutyl ester, waxaana loo isticmaali karaa caagadeeyaha PVC, iwm.
2.Waxa kale oo loo isticmaali karaa in wax soo saarka ee xabagta polyester unsaturated, resin alkyd, dheeha iyo pigments, noocyo kala duwan oo rinji, lagu daro cuntada, iwm.