Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride, 99%
Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride, 99% (CAS 2421-28-5) supplier Zemixal. Request a quote with price, lead time and documents.
About Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride, 99%
Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride, 99% is part of the Zemixal monomers & Crosslinking Agents range. For your records (99%), the material is defined by CAS 2421-28-5, formula C17H6O7 and molar mass 322.22 g/mol. Typical appearance is yellow powder or chunks.
Where it is used
- Polymerisation
- Crosslinking & curing
- Adhesives & coatings
- Rubber compounding
Storage and safety notes
Reported physical data: melting point 218-222 °C. It carries the GHS signal word Warning (H319 and H335), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 25 g, 100 g, 500 g and 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Polymerisation
- Crosslinking & curing
- Adhesives & coatings
- Rubber compounding
Applications
Specifications and identifiers
| Product name | Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride, 99% |
|---|---|
| Catalogue number | ZX-018067 |
| CAS number | 2421-28-5 |
| IUPAC name | 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione |
| Molecular formula | C17H6O7 |
| Molar mass | 322.22 g/mol |
| Exact mass | 322.0114 |
| Purity / assay | 99% |
| Physical form | Powder |
| Appearance | Yellow powder or chunks |
| Melting point | 218-222 °C |
| XLogP3 | 2 |
| H-bond donors / acceptors | 0 / 7 |
| Topological polar surface area | 104 Ų |
| HS code | 29183090 |
| InChIKey | VQVIHDPBMFABCQ-UHFFFAOYSA-N |
| SMILES | C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O |
| PubChem CID | 75498 |
| Synonyms | 4,4'-Carbonyldiphthalic anhydride, 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, Benzophenonetetracarboxylic dianhydride, 1,3-Isobenzofurandione, 5,5'-carbonylbis-, Benzophenonetetracarboxylic acid dianhydride, 4,4'-Carbonylbis(phthalic anhydride), 4,4'-Diphthalic anhydride ketone, Phthalic anhydride, 4,4'-carbonyldi-, 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride, 3,3',4,4'-Tetracarboxybenzophenone dianhydride, Benzophenone-3,3':4,4'-tetracarboxylic dianhydride, Phthalic anhydride, 4,4'-carbonyldi-(8CI) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264 + P265, P271, P280, P304 + P340, P305 + P351 + P338, P319, P337 + P317, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride, 99%
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