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

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

3,3 ', 4,4' - Biphenyltetracarboxylic dianhydride 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
Boiling point	614.9±48.0 °C(Predicted)
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 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.