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

CAS:2421-28-5

ʻAno Molekala:C17H6O7

Kaumaha Molekala:322.23

EINECS:219-348-1

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

Waiho i kāu leka

Huahana Huahana

Hoʻoiho

Huahana Huahana

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

3,3 ', 4,4' - Benzophenonetetracarboxylic dianhydride he pauda crystalline brownish. ʻO ka helu hoʻoheheʻe o kēia mea he 218.67 ° C, a decomposes ma 360 ° C. He kiʻekiʻe loa ka wela wela o ka puhi ʻana, ʻaʻole i ʻike ʻia ka flammability. ʻO 1.5452g/ml ka mānoanoa o ka mea, a ʻo ke kaomi mahu he 6.53E-011Pa.

Hōʻike

'ikamu	Hōʻike
Lae paila	320°C 5mm
ʻO ka mānoanoa	1,57 g/cm3
Lae hehee	218-222 °C (kukui)
kiko uila	324 °C
kūʻē	1.6380 (manaʻo)
Nā kūlana mālama	ʻO ka lewa inert, ka wela lumi

Palapala 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 ʻoihana ʻoihana. Polymer monomer, hoʻohana ʻia no ka synthesizing kiʻekiʻe-mehana kūpaʻa polymer mea.