Molekula
3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride is a high-performance organic compound used in the synthesis of advanced polymers and specialty materials. It serves as a key monomer in the production of polyimides and other high-temperature resistant materials. Available with CAS number 2540-99-0, molecular formula SO2(C8O3)2, and molecular weight 352.23 g/mol, it is stable at ambient storage conditions. This compound carries a warning signal word due to potential health hazards. Molekula supplies 3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028092 |
| CAS Number | 2540-99-0 |
| IUPAC Name | 5-[(1,3-dioxo-2-benzofuran-5-yl)sulfonyl]-2-benzofuran-1,3-dione |
| EC Number | 807-101-6 |
| Molecular Formula | SO2(C8O3)2 |
| Molecular Weight | 352.23 |
| Exact Mass | 357.9783 |
| SMILES | C1=CC2=C(C=C1S(=O)(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O |
| InChIKey | ZHBXLZQQVCDGPA-UHFFFAOYSA-N |
| InChI | InChI=1S/C16H6O8S/c17-13-9-3-1-7(5-11(9)15(19)23-13)25(21,22)8-2-4-10-12(6-8)16(20)24-14(10)18/h1-6H |
| PubChem CID | 75682 |
| REACH Code | Y110 |
| HTS Code | 29329970 |
| Tariff Code | 2932990090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,3-Isobenzofurandione, 5,5'-sulfonylbis-
- 3,3,4,4-diphenylsulfonetetracarboxylicdianhydride (DSDA)
- 3,3',4,4'-Diphenylsulfonetetracarboxylic Dianhydride (purified by sublimation)
- 4,4'-Sulfonyldiphthalic Anhydride
- 4,4'-Sulfonyldiphthalic dianhydride
- 5-(1,3-dioxoisobenzofuran-5-yl)sulfonylisobenzofuran-1,3-dione
- 5-[(1,3-dioxo-2-benzofuran-5-yl)sulfonyl]-2-benzofuran-1,3-dione
- 5,5'-Sulfonylbis(isobenzofuran-1,3-dione)
- Bis-(3-phthalyl anhydride) sulfone
- DSDA
Frequently asked questions
What is 3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride used for?
It is primarily used as a monomer in the synthesis of high-performance polymers, particularly for applications requiring thermal stability and chemical resistance.
What is the chemical formula and molecular weight?
The formula is SO2(C8O3)2 with a molecular weight of 352.23 g/mol.
How should this compound be stored?
Store at ambient temperature, protected from moisture and heat, in a tightly sealed container.
What grade is available?
Available in technical grade; custom purification or higher purity grades may be available upon request.
Can Molekula supply this in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact us for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.