Bisphenol S molecule contains two hydroxyl groups and a strong electron-withdrawing sulfone, acidic than other phenols.
USING
Bisphenol S mainly used as a fixing agent. Fixing agent can be produced for raw material with bisphenol S A.
It has excellent heat resistance, light resistance and oxidation resistance, is polycarbonate, epoxy resin and polysulfide, polyether sulfone, polyether resin raw materials, etc.
Also used in the manufacture of color photographic materials, photographic contrast enhancement, thermo sensitive materials (developer), daily surfactant and efficient deodorant, etc. Can be used as additive in plating solution, leather tanning agent, dispersant of disperse dye dyeing at high temperature hardening accelerator, phenolic resin, resin, flame retardant, etc. And intermediates of pesticides, dyes, auxiliaries, also can be directly used in the paint, leather modification agent, agent of the light metal plating.
Specification:
| ITEM | High Pure1 | High Pure 2 | Pure Product | Ordinary Product | Purified Product | Crude Product |
| Pruity % | 99.9 | 99.8 | 99.5 | 99.5 | 98 | 95 |
| 2,4-Bsiphenol S % | 0.1 | 0.2 | 0.5 | 0.5 | 2 | 4 |
| M.P. ℃ | 246-248 | 245-248 | 243-248 | 243-248 | 239-246 | 236-242 |
| Moisture % | 0.1 | 0.1 | 0.2 | 0.5 | 0.5 | 1.0 |
| APHA | 20-30 | 30-40 | 80-100 | - | - | pingk or brown powde |
