3,3 ', 4,4' Benzophenetetracarboxylic Dianhydride (BTDA) 2421-28-5

Product Name: 3,3 ', 4,4'-Benzophenonetetracarboxylic Dianhydride btda
CAS: 2421-28-5
Mf: c17h6o7
MW: 322,23
Einecs: 219-348-1
Melting Point: 218-222 ° C (Gen.)
Fervens Point: CCCXX ° C 5mm
Density: 1,57 G / CM3
Vapor density: 1.4 (vs aere)
Vapor pressura: <0.1 mm HG (0 ° F)
Refractive Index: 1.6380 (estimate)
FP: CCCXXIV ° C
Brn: (DCCLXI) DCCLXXVII