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3,3',4,4'-Benzophenone Tetracarboxylic Dianhydride(BTDA) 2421-28-5 C17H6O7

Packing: 1KG/5KG/10KG Plastic bottles

Storage:Clean, dry, ventilated environment; containers closed;

Transportation: Non-dangerous goods, avoid violent oscillation, can not be inverted

Product Description:

3,3',4,4'-Benzophenonetetracarboxylic dianhydride(BTDA) is an important material for synthesizing polyimide. Polyimide materials prepared by BTDA have excellent processability, excellent thermal stability, outstanding insulation and mechanical properties.

Basic information
Product Name3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Synonyms4,4′-Carbonyldiphthalic anhydride;Benzophenone Tetracarboxylic Dianhydride;BTDA;2421-28-5;BTDA  Anhydride;BTDA  Dianhydride
CAS2421-28-5
Molecular FormulaC17H6O7
Molecular Weight322.23
EINECS219-348-1

 

Chemical Properties
Melting point218-222 °C (lit.)
Boiling point320°C 5mm
Density1,57 g/cm3
Storage tempInert atmosphere,Room Temperature
SolubilityDMF: 0.1 g/mL, clear
FormNeedles or Crystalline Powder
ColorOff-white to brown
Water SolubilityREACTS

 

Safety Information
Hazard CodesXi
Risk Statements36/37
Safety Statements25
WGK Germany1

  Application  

BTDA  Anhydride(2421-28-5) is an important monomer for synthesis of polyimides such as Matrimid5218 and P84. BTDA  Dianhydride is widely used in new material fields such as gas separation membrane, polyimide foam, high-temperature fiber, aircraft structural parts, flexible circuit board, curing agent, etc.

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