Bisphenol A (BPA): Erinnya lyayo erya ssaayansi ye 2,2-bis(4-hydroxyphenyl)propane. Ye kirisitaalo enjeru eringa empiso nga esaanuuka ya 155–156 °C. Kiba kigimusa kikulu mu kutegeka ebiwujjo bya epoxy, polysulfones, polycarbonate, n’ebintu ebirala. Kiyinza okutegekebwa nga tuyita mu nsengekera y’okusengejja (condensation reaction) eya phenol ne acetone wansi w’ekikolwa ky’ekirungo ekiziyiza (catalyst).

Bisphenol A etuuka ku bbalansi entuufu wakati w’omuwendo n’omulimu – okulonda okulungi ennyo olw’okukendeeza ku ssente ennyingi.Bw’oba ​​oyagala okugula ebintu eby’eddagala ebyesigika, nsaba onoonye Shandong Pulisi Chemical Co., Ltd., essa essira ku “ddagala ery’omutindo” era ng’emaze emyaka 20 ng’ekola.