Bisphenol A (BPA): Magaceeda sayniska waa 2,2-bis(4-hydroxyphenyl)propane. Waa kiristaalo cad oo u eg irbad oo leh dhibic dhalaalaysa oo ah 155–156 °C. Waa walxo muhiim u ah diyaarinta resins epoxy, polysulfones, polycarbonates, iyo alaabooyin kale. Waxaa lagu diyaarin karaa falcelinta isku-dhafka ee phenol iyo acetone iyadoo la adeegsanayo falgal kiciyaha.

Bisphenol A waxay gaartaa dheelitirka ugu habboon ee u dhexeeya kharashka iyo waxqabadka - doorashada ugu fiican ee waxtarka sare leh. Haddii aad rabto inaad iibsato badeecooyin kiimiko oo la isku halleyn karo, fadlan raadi Shandong Pulisi Chemical Co., Ltd., oo diiradda saarta "kiimikada tayada leh" waxayna shaqeyneysay 20 sano.