4,4'-Sulfonyldiphenol
What is 4,4'-Sulfonyldiphenol?
4,4'-Sulfonyldiphenol (CAS 80-09-1), commonly known as BPS, is a bisphenol analogue used as a monomer and chemical intermediate in polymer and specialty chemical manufacturing.
Where is 4,4'-Sulfonyldiphenol used?
- Polymers: building block in polysulfone resins and epoxy systems
- Plastics: incorporated into polysulfone and polyethersulfone chains for membranes, filtration components and medical-grade plastics
- Paper and textiles: color developer in thermal recording papers and dye-fixing agent in fabric treatment
- Personal care: functional ingredient in product stabilization systems
- Pharmaceuticals: intermediate in the synthesis of active compounds
- It stabilizes polymer formulations against degradation during processing.
Commercial specifications
- Purity typically 98% to 99%+
- 25 kg bags or drums
- Bulk quantities for industrial procurement
Other Names (Synonyms)
4,4′-sulfonylbisphenol|4-(4-hydroxyphenyl)sulfonylphenol|Bisphenol s|BPS