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

I-CAS:2421-28-5

Ifomula yeemolekyuli:C17H6O7

Ubunzima beMolekyuli:322.23

EINECS:219-348-1

Izithethantonye: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 uMyalezo Wakho

Iinkcukacha zeMveliso

Khuphela

Iithegi zeMveliso

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

3,3 ', 4,4' - I-Benzophenonetetracarboxylic dianhydride ngumgubo wekristale omdaka. Indawo yokunyibilika yale nto yi-218.67 ° C, kwaye ibola kwi-360 ° C. Iqondo lokushisa elizenzekelayo liphezulu kakhulu, kwaye akukho ukuvutha kwabonwa. Ubuninzi bezinto ze-1.5452g / ml, kunye noxinzelelo lwe-vapor yi-6.53E-011Pa.

Inkcazo

Into	Inkcazo
Indawo yokubilisa	320°C 5mm
Ukuxinana	1,57 g/cm3
Indawo yokunyibilika	218-222 °C (lit.)
Indawo yokuflasha	324 °C
ukumelana	1.6380 (uqikelelo)
Iimeko zokugcina	Umoya ophantsi, uBubushushu beGumbi

Isicelo

I-BTDA isetyenziswa njengendawo ephakathi ekwenzeni iimveliso zeplastiki okanye iikhemikhali ezilungileyo kwicandelo lezoshishino. I-polymer monomer, esetyenziselwa ukudibanisa izixhobo zepolymer ezinobushushu obuphezulu.