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

CAS:2421-28-5 : kuv

Molecular Formula:C17H6O7

Molecular Luj:322.23 Nws

EINECS:219-348-1 ib

Synonyms:3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride; 3,3',4,4'-Tetracarboxybenzophenone dianhydride; 3,3',4,4'-benzophenonetetracarboxylicaciddianhydride; BENZOPENONETETRACARBOXYLIC ACID DIANHYDRIDE; BENZOPENONE-TETRACARBOXYLIC-DIANHYDRIDE; BTDA ~ 4,4-Carbonyldiphthalic anhydride

Tso Koj Cov Lus

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Khoom cim npe

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

3,3 ', 4,4' - Benzophenonetetracarboxylic dianhydride yog xim av crystalline hmoov. Lub melting point ntawm cov khoom no yog 218.67 ° C, thiab nws decomposes ntawm 360 ° C. Lub spontaneous combustion kub yog heev, thiab tsis muaj flammability. Qhov ceev ntawm cov khoom yog 1.5452g / ml, thiab lub vapor siab yog 6.53E-011Pa.

Specification

Yam khoom	Specification
Boiling point	320 ° C 5 hli
Qhov ntom	1,57 g / cm3
Melting point	218-222 ° C (lit.)
flash point	324 ° C
tiv taus	1.6380 (kwv yees)
Cia tej yam kev mob	Inert cua, Chav Kub

Daim ntawv thov

BTDA yog siv los ua qhov nruab nrab hauv kev tsim cov khoom yas lossis cov tshuaj zoo hauv kev lag luam. Polymer monomer, siv rau kev sib txuas ntawm cov khoom siv hluav taws xob kub-resistant polymer.