Bisphenol A (BPA) ji tsofa ni jɛɔ tsofa mli, ni ekɛ tsofa ni ataoɔ lɛ mlijaa 30 baa. Nibii ni ataoɔ lɛ miiya hiɛ oya, ni akɛtsuɔ nii titri yɛ nibii ni akɛfee polymer nibii tamɔ polycarbonate (PC), epoxy ŋmɔtɔ, polysulfone ŋmɔtɔ, kɛ polyphenylene ether ŋmɔtɔ feemɔ mli. Abaanyɛ akɛtsu nii hu akɛ nɔ ni haa dɔlɛ yaa hiɛ kɛha polyvinyl chloride, nɔ ni tsiɔ dalɛ naa kɛha rɔbɔt, tsofa ni gbeɔ okwaayeli mli kooloi, nɔ ni tsiɔ nibii ni yɔɔ gbɔmɔtso lɛ mli lɛ anaa kɛha pɛnte kɛ niŋmaatsei, nɔ ni haa plasticize, nɔ ni tsiɔ la naa, kɛ nɔ ni tsiɔ la ni tsoɔ waa lɛ naa, kɛ ekrokomɛi.

Bisphenol A nine shɛɔ sɛɛnamɔ ni hi jogbaŋŋ nɔ yɛ shika kɛ nitsumɔ teŋ – ni ji nɔ ni hi fe fɛɛ kɛha shika ni fa babaoo.Kɛ́ oosumɔ ni ohe tsofai ni anyɛɔ akɛ he fɔ̃ɔ nɔ lɛ, ofainɛ taomɔ Shandong Pulisi Chemical Co., Ltd., ni kɛ ejwɛŋmɔ maa ”tsofai ni hi jogbaŋŋ” nɔ ni etsu nii afii 20 nɛ lɛ.