Applications of 3,3′,4,4′-Biphenyltetracarboxylic Dianhydride
This compound is widely used in tape automated bonding (TAB), chip-on-film (COF), lead lock tapes, and high-density flexible printed circuits (FPC)—including FPC stiffeners. It also finds application in office automation equipment, flexible solar cells, and speaker diaphragms for mobile phones, plasma televisions, and automotive audio systems, as well as in heavy electrical machinery. Other key application areas include satellite thermal control films, printed circuit boards, metal substrates, sheet-type heating elements, and heat-resistant wires.
| English Name | 3,3',4,4'-Biphenyltetracarboxylic dianhydride |
| English Synonyms | 3,3',4,4'-Biphenyl tetracarboxylic diandhydride;[1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic3,4:3',4'-dianhydride; 3,4,3',4'-Biphenyltetracarboxylic acid dianhydride;3,3',4,4'-Biphenyltetracarboxylic dianhydride 97%6;4,4'-Bip hthalic Anhydride (purified by sublimation);3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride(s-BPDA);S-BD PA;S-BPDA |
| CAS Number | 2420-87-3 |
| Molecular Formula | C16H606 |
| Molecular Weight | 294.22 |
| EINECS Number | 219-342-9 |
| Melting point | 299-305 °C (lit.) |
| Boiling point | 614.9±48.0 °C(Predicted) |
| Density | 1.625±0.06 g/cm3(Predicted) |
| Vapor pressure | OPa at 20℃ |
| Storage conditions | Inert atmosphere,Room Temperature |
| Solubility | Almost transparent in hot DMF |
| Form | Powder crystals |
| Color | Off-white |
| Maximum wavelength (λmax) | 300nm(lit.) |
| InChI | InChI=1S/C16H6O6/c17-13-9-3-1-7(5-11(9)15(19)21-13)8-2-4-10-12(6-8)16(20)22-14(10)18/h1-6H |
| InChIKey | WKDNYTOXBCRNPV-UHFFFAOYSA-N |
| Smiles | C1(=O)C2=C(C=C(C3C=CC4C(=O)OC(=O)C=4C=3)C=C2)C(=0)01 |
| LogP | 3.91 |
