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Description
It is a reactant used in epoxy reactions.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
It is a reactant used in epoxy reactions.
Solubility
Insoluble in water.
Notes
Store at room temperature. Keep away from strong oxidizing agents.

Specifications
Specifications
Melting Point | 245°C to 250°C |
Density | 1.366 |
Quantity | 250 g |
Beilstein | 2052954 |
Solubility Information | Insoluble in water. |
Formula Weight | 250.28 |
Percent Purity | 99% |
Chemical Name or Material | Bis(4-hydroxyphenyl) sulfone |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
10254583 | Certificate of Analysis | 17/05/2025 | A17342.30,A17342.0B |
10239814 | Certificate of Analysis | 12/04/2022 | A17342.30,A17342.0B |
10197785 | Certificate of Analysis | 23/11/2021 | A17342.30,A17342.0B |
10227170 | Certificate of Analysis | 23/11/2021 | A17342.30,A17342.0B |
H4578A | Certificate of Analysis | 23/11/2021 | A17342.30,A17342.0B |
Safety and Handling

- Bis(4-hydroxyphenyl) sulfone
- Danger
- Reproductive toxicity Category 1B
- H360FD-May damage fertility. May damage the unborn child.
- P201-Obtain special instructions before use.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P308+P313-IF exposed or concerned: Get medical advice/attention.
- MIXTURE LIST-Contains : 4,4-Sulfonyldiphenol
RUO – Research Use Only
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