3,3′,4,4′-Biphenyltetracarboxylic dianhydride CAS 2420-87-3

I-CAS:2420-87-3

I-Molecular Formula:I-C16H6O6

Isisindo se-Molecular:294.22

I-EINECS:219-342-9

Omqondofana:3,3',4,4'-Biphenyltetracarboxylic dianhydride 97%; 4,4'-Biphthalic Anhydride (ihlanzwe nge-sublimation); 3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride(s-BPDA); I-S-BDPA; I-S-BPDA; [5,5'-bisobenzofuran]-1,1',3,3'-tetrone; [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone; 5,5'-Biisobenzofuran-1,1',3,3'-tetrone

Shiya Umlayezo Wakho

Imininingwane Yomkhiqizo

Landa

Omaka bomkhiqizo

Yini i-3,3',4,4'-Biphenyltetracarboxylic dianhydride CAS 2420-87-3?

3,3 ', 4,4' - I-Biphenyltetracarboxylic dianhydride iwumsebenzi we-polyimide monomer obalulekile osebenza ngokubanzi ekuhlanganiseni kwezinto ze-polyimide ezikwazi ukumelana nezinga lokushisa eliphezulu. Isetshenziselwa ukukhiqizwa kwemikhiqizo ye-polyimide kanye nezinto zayo eziyinhlanganisela, i-pharmaceutical intermediates

Ukucaciswa

Into	Ukucaciswa
Iphuzu elibilayo	614.9±48.0 °C(Kubikezelwe)
Ukuminyana	1.625±0.06 g/cm3(Kubikezelwe)
Iphoyinti lokuncibilika	299-305 °C (okhanyisiwe)
λ ubuningi	300nm(lit.)
Ubumsulwa	99%
Izimo zokugcina	Umkhathi ongenayo, izinga lokushisa legumbi

Isicelo

3,3 ', 4,4' - I-Biphenyltetracarboxylic dianhydride isetshenziselwa ukukhiqiza imikhiqizo ye-polyimide nezinto zayo eziyinhlanganisela, ama-pharmaceutical intermediate, ama-polyimide monomers, kanye nokwenza izinto ezintsha ze-polymer ezifana nezinhlaka namafilimu e-PI.