Bisphenol S intermediates in a reaction

Since January 2, 2020, the EU has stipulated that if the content of bisphenol A (BPA) in thermal paper is higher than 0.02%, it cannot be put on the EU market. Since 2017, European paper manufacturers have been slowly replacing BPA with Bisphenol S (BPS). By 2022, it is estimated that 61% of all EU thermal paper will be based on bisphenol S (BPS).Bisphenol S also known as 4,4' -dihydroxydiphenyl sulfone,and it is mainly used as a color fixing agent,Surfactant For Daily Use. In addition, it can be used as additive for plating solution, Leather Tanning Agent, dispersing agent for high temperature dyeing of disperse dyes, hardening accelerator of phenolic resin, Resin Flame Retardant and so on. It is also an Intermediate of Pesticides, dyes and auxiliaries.Our company is mainly produces bisphenol s,and the content of white crystal powder is much higher than 99.5%.