sell 3,3',4,4'-benzophenonetetracarboxylic dianhydride; BTDA

BTDA is important monomer of polyimide, and used for production of polyimide material. The material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. Can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.

3,3',4,4'-benzophenonetetracarboxylic dianhydride

SynonymsBenzophenone-3,3',4,4'-tetracarboxylic dianhydride;

4,4'-Carbonyldiphthalic anhydride; BTDA

Molecular FormulaC17H6O7

Molecular Weight322.23

CAS2421-28-5

EINECS219-348-1

Melting point219-226 ºC

Sublimation220-230 ºC

Flash point324 ºC

Water solubilityREACTS

Purity:99%

BTDA is important monomer of polyimide, and used for production of polyimide material. The material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. Can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.