3,3',4,4'-Biphenyltetracarboxylic dianhydride
3,3',4,4'-联苯四甲酸二酐
Also known as: Biphthalic anhydride, BPDA, s-BPDA, 4,4'-Biphthalic anhydride, 5,5'-Bi-2-benzofuran-1,1',3,3'-tetrone, [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone, 3,4,3',4'-Biphenyltetracarboxylic acid dianhydride, 3,3',4,4'-biphenylenetetracarboxylic dianhydride, 3,3',4,4'-biphenyltetracarboxylic acid dianhydride
- CAS No.
- 2420-87-3
- Jingsj CID
- J-32722-6
- Molecular Formula
- C16H6O6
- Chinese Name
- 3,3',4,4'-联苯四甲酸二酐
- Molecular Weight
- 294.215 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 299-305°C |
|---|---|
| Boiling Point | 614.9±48.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 277.4±29.6 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 3,3',4,4'-Biphenyltetracarboxylic dianhydride?
2420-87-3
What are the molecular formula and molecular weight of 3,3',4,4'-Biphenyltetracarboxylic dianhydride?
C16H6O6, molecular weight 294.215 g/mol
Is 3,3',4,4'-Biphenyltetracarboxylic dianhydride hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026