Bisphenol S (BPS)

Structure of bisphenol S (BPS)
CAS Number: 80-09-1

Bisphenol S (BPS) is part of polyethersulfone (PES) plastic, which is used to make hard plastic items and synthetic fibers for clothing and other textiles. BPS may also be used to make colors last longer in some fabrics. It is a common replacement for BPA in some types of paper receipts, and is also in protective coatings inside some food cans. Consumer products marketed as “BPA-free” might contain BPS.