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3,3′,4,4′-Biphenyltetracarboxylic dianhydride CAS 2420-87-3

CAS: 2420-87-3
Molecular Formula: C16H6O6
Molecular Weight: 294.22
EINECS: 219-342-9

Synonyms: 3,3′,4,4′-Biphenyltetracarboxylic dianhydride 97%; 4,4′-Biphthalic Anhydride (purified by sublimation); 3,3’4,4′-Biphenyl tetracarboxylic acid dianhydride(s-BPDA); S-BDPA; S-BPDA; [5,5’-biisobenzofuran]-1,1’,3,3’-tetrone; [5,5′-Biisobenzofuran]-1,1′,3,3′-tetrone; 5,5’-Biisobenzofuran-1,1’,3,3’-tetrone

What is 3,3′,4,4′-Biphenyltetracarboxylic dianhydride CAS 2420-87-3？

3,3′,4,4′-Biphenyltetracarboxylic dianhydride BPDA is an important polyimide monomer material with wide applications in the synthesis of high-temperature resistant polyimide materials. Used for the production of polyimide products and their composite materials, pharmaceutical intermediates

Specification

Item	Specification
Other Name	4,4′-Biphthalic Anhydride 2420-87-3
Density	1.625±0.06 g/cm3(Predicted)
Melting point	299-305 °C (lit.)
λmax	300nm(lit.)
Purity	99%
Storage conditions	Inert atmosphere,Room Temperature

Application

3,3′,4,4′-Biphenyltetracarboxylic dianhydride BPDA is used to produce polyimide products and their composite materials, pharmaceutical intermediates, polyimide monomers, and to manufacture new polymer materials such as resins and PI films.