Chemical Name: 4,4'-Sulfonyldiphenol
Molecular Formula: C12H10O4S
Molecular Weight: 250.3
CAS No.: 80-09-1
Structural Formula:
|
High Pure Product(1)
|
High Pure Product(2)
|
Pure Product
|
Ordinary Product
|
Purified Product
|
Purified Product
|
Crude
Product -B
|
Crude
Product -A
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| 4,4'- Dihydroxydiphenyl sulfone Purity≥%(HPLC) |
99.9
|
99.8
|
99.7
|
99.5
|
98
|
97
|
96
|
95
|
| 2,4'- Dihydroxydiphenyl sulfone Purity≤%(HPLC) |
0.1
|
0.2
|
0.3
|
0.5
|
2
|
3
|
3
|
4
|
| Melting Point°C |
246-250
|
246-250
|
246-250
|
245-250
|
243-248
|
243-248
|
238-245
|
220-230
|
| Moisture ≤% |
0.1
|
0.1
|
0.5
|
0.5
|
0.5
|
0.5
|
1.0
|
1.0
|
|
|
|
|
|
|
|
|
|
| APHA |
10-20
|
20-30
|
100-150
|
White powder
|
White powder
|
White to Off-White powder
|
Pink or Brown Powder |
Pink or Brown Powder |
| classification by use |
In the PES, Polycarbonate and Epoxy resin etc. |
In the manufacture of heat sensitive materials and High-grade auxiliaries synthesis |
In the manufacture of printing & dyeing auxiliaries and leather tannic agent |
Product specification：
Appearance: Colorless and needlelike crystal or white powder.
Use:
- Bisphenol S molecule contains two hydroxyl groups and a strong electron-withdrawing sulfone, acidic than other phenols.
- 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, raw material of polycarbonate, epoxy resin and polysulfide, polyether sulfone, polyether resin 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
Package and Storage
1. 25KG bag
2. Store the product in a cool, dry, well-ventilated area away from incompatible materials.