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

CAS:2421-28-5

Formula Molekala:C17H6O7

Kaumaha Molekala:322.23

Nā EINECS:219-348-1

Nā huaʻōlelo like:3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride; 3,3',4,4'-Tetracarboxybenzophenone dianhydride; 3,3',4,4'-benzophenonetetracarboxylicacid dianhydride; BENZOPHENONETETRACARBOXYLIC ACID DIANHYDRIDE; BENZOPHENONE-TETRACARBOXYLIC-DIANHYDRIDE; BTDA~4,4-Carbonyldiphthalic anhydride

Waiho i kāu leka

Nā kikoʻī huahana

Hoʻoiho

Nā Lepili Huahana

He aha ka 3,3',4,4'-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5?

3,3 ', 4,4' - He pauka kristal ʻeleʻele ka Benzophenonetetracarboxylic dianhydride. ʻO ke kiko heheʻe o kēia mea he 218.67 ° C, a palaho ia ma 360 ° C. He kiʻekiʻe loa ka mahana puhi koke, a ʻaʻohe ʻike ʻia o ka lapalapa ʻana. ʻO ka nui o ka mea he 1.5452g/ml, a ʻo ke kaomi mahu he 6.53E-011Pa.

Nā kikoʻī

Mea	Nā kikoʻī
Kikowaena paila	320°C 5mm
Ka nui o ka paʻa	1,57 g/cm3
Kiko heheʻe	218-222 °C (mālamalama ʻia)
wahi hoʻāla	324°C
ke kū'ē ʻana	1.6380 (kuhikuhi)
Nā kūlana mālama	Lewa inert, Mahana o ka lumi

Noi

Hoʻohana ʻia ʻo BTDA ma ke ʻano he waena i ka hana ʻana i nā huahana plastik a i ʻole nā kemika maikaʻi i ka ʻāpana ʻoihana. ʻO ka polymer monomer, hoʻohana ʻia no ka hana ʻana i nā mea polymer kūpaʻa i ka mahana kiʻekiʻe.