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

CAS:2421-28-5

Cov mis molecular:C17H6O7

Qhov Hnyav Molecular:322.23

EINECS:219-348-1

Cov lus txhais: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

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

3,3',4,4'-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5 yog dab tsi?

3,3 ', 4,4' - Benzophenonetetracarboxylic dianhydride yog ib qho hmoov crystalline xim av. Lub ntsiab lus yaj ntawm cov khoom no yog 218.67 ° C, thiab nws decomposes ntawm 360 ° C. Qhov kub ntawm kev sib xyaw ua ke yog siab heev, thiab tsis muaj kev kub hnyiab tau pom. Qhov ceev ntawm cov khoom yog 1.5452g / ml, thiab lub siab vapor yog 6.53E-011Pa.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
Kub taw tes	320°C 5 hli
Qhov Ceev	1.57 g/cm3
Qhov kub yaj	218-222 °C (lit.)
qhov kub hnyiab	324 °C
kev tiv taus	1.6380 (kwv yees)
Cov xwm txheej cia khoom	Huab cua tsis muaj zog, Kub hauv chav

Daim Ntawv Thov

BTDA siv ua ib qho khoom nruab nrab hauv kev tsim cov khoom yas lossis cov tshuaj zoo hauv kev lag luam. Polymer monomer, siv rau kev tsim cov khoom siv polymer uas tiv taus kub siab.