bisphenol

1. (organic chemistry) Any of a class of organic compounds, derived from methylenediphenol, CH₂(C₆H₄OH)₂, formed by the condensation of a phenol with an aldehyde or ketone.Examples: "Researchers analysed samples of nurdles and burnt lumps of plastic from four Sri Lankan beaches for heavy metals and various chemicals, including benzotriazole UV-stabilisers, which are used to prevent discoloration in plastics, bisphenols and polyaromatic hydrocarbons (PAHs)."; "“Don’t touch this,” she says, explaining that most paper receipts contain a “toxic” chemical called bisphenol A, or BPA, which is easily absorbed through the skin and linked to health issues like infertility, hormone imbalances and certain cancers."