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

CAS:2420-87-3

ʻAno Molekala:C16H6O6

Kaumaha Molekala:294.22

EINECS:219-342-9

Nā huaʻōlelo like:3,3',4,4'-Biphenyltetracarboxylic dianhydride 97%; 4,4'-Biphthalic Anhydride (hoʻomaʻemaʻe ʻia e ka sublimation); 3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride(s-BPDA); S-BDPA; S-BPDA; [5,5'-biisobenzofuran]-1,1',3,3'-tetrone; [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone; 5,5'-Biisobenzofuran-1,1',3,3'-tetrone

Waiho i kāu leka

Huahana Huahana

Hoʻoiho

Huahana Huahana

He aha ka 3,3',4,4'-Biphenyltetracarboxylic dianhydride CAS 2420-87-3?

3,3 ', 4,4' - Biphenyltetracarboxylic dianhydride he mea nui polyimide monomer me nā noi ākea i ka synthesis o nā mea polyimide kūpaʻa kiʻekiʻe. Hoʻohana ʻia no ka hana ʻana i nā huahana polyimide a me kā lākou mea hoʻohuihui, nā lāʻau lapaʻau waena

Hōʻike

'ikamu	Hōʻike
Lae paila	614.9±48.0 °C(Wānana ʻia)
ʻO ka mānoanoa	1.625±0.06 g/cm3 (Wānana ʻia)
Lae hehee	299-305 °C (kukui)
λmax	300nm (māmā)
Maemae	99%
Nā kūlana mālama	ʻO ka lewa inert, ka wela lumi

Palapala noi

3,3 ', 4,4' - Hoʻohana ʻia ʻo Biphenyltetracarboxylic dianhydride e hana i nā huahana polyimide a me kā lākou mea i hui pū ʻia, nā intermediates pharmaceutical, polyimide monomers, a no ka hana ʻana i nā mea polymer hou e like me nā resins a me nā kiʻiʻoniʻoni PI.