• 3,3'',4,4''-Benzophenonetetracarboxylic dianhydride

• Product Name
• 3,3'',4,4''-Benzophenonetetracarboxylic dianhydride

• CAS
• 2421-28-5

• Molecular Formula
• C₁₇H₆O₇

• Molecular Weight
• 322.2253

• Molecular Structure
• 

• EINECS
• 219-348-1

• InChI
• InChI=1/C17H6O7/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20/h1-6H

• Melting Point
• 219-226℃

• Flash Point
• 286.1°C

• Vapor Pressure
• 3.25E-16mmHg at 25°C

• Density
• 1.662g/cm3

• Safety Description
• S25:Avoid contact with eyes.
  

• Risk Description :
• R36/37:Irritating to eyes and respiratory system.