3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5

I-CAS:2421-28-5

I-Molecular Formula:I-C17H6O7

Isisindo se-Molecular:322.23

I-EINECS:219-348-1

Omqondofana:3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride; 3,3',4,4'-Tetracarboxybenzophenone dianhydride; 3,3',4,4'-benzophenonetetracarboxylicaciddianhydride; I-BENZOPHENONETETRACARBOXYLIC ACID DIANHYDRIDE; I-BENZOPHENONE-TETRACARBOXYLIC-DIANHYDRIDE; I-BTDA~4,4-Carbonyldiphthalic anhydride

Shiya Umlayezo Wakho

Imininingwane Yomkhiqizo

Landa

Omaka bomkhiqizo

Yini i-3,3',4,4'-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5?

3,3 ', 4,4' - I-Benzophenonetetracarboxylic dianhydride iyimpushana ecwebezelayo ensundu. Indawo yokuncibilika yale nto ingu-218.67 ° C, futhi ibola ku-360 ° C. Izinga lokushisa elizenzakalelayo lokuvutha liphezulu kakhulu, futhi akukho ukuvutha okubonwayo. Ukuminyana kwento ngu-1.5452g/ml, futhi ukucindezela komhwamuko kungu-6.53E-011Pa.

Ukucaciswa

Into	Ukucaciswa
Iphuzu elibilayo	320°C 5mm
Ukuminyana	1,57 g/cm3
Iphoyinti lokuncibilika	218-222 °C (okhanyisiwe)
iphoyinti elikhanyayo	324 °C
ukumelana	1.6380 (isilinganiso)
Izimo zokugcina	Umkhathi ongenayo, izinga lokushisa legumbi

Isicelo

I-BTDA isetshenziswa njengendawo emaphakathi ekwenziweni kwemikhiqizo yepulasitiki noma amakhemikhali amahle emkhakheni wezimboni. I-polymer monomer, esetshenziselwa ukuhlanganiswa kwezinto ze-polymer ezisezingeni eliphezulu.