4,4'-Oxydiphthalic Anhydride

CAS: 1823-59-2

Ref. 3B-O0237

Product Information

• Name: 4,4'-Oxydiphthalic Anhydride
• Synonyms: ODPA, 1,3-Isobenzofurandione, 5,5′-oxybis-, 3,3′,4,4′-Diphenyl ether tetracarboxylic acid dianhydride, 3,3′,4,4′-Diphenyl ether tetracarboxylic anhydride, 3,3′,4,4′-Diphenyl ether tetracarboxylic dianhydride, 3,3′,4,4′-Diphenyl oxide tetracarboxylic dianhydride, 3,3′,4,4′-Diphenyloxytetracarboxylic acid anhydride, 3,3′,4,4′-Diphenyloxytetracarboxylic anhydride, 3,3′,4,4′-Diphenyloxytetracarboxylic dianhydride, 3,3′,4,4′-Tetracarboxydiphenyl ether dianhydride, 3,3′,4,4′-Tetracarboxydiphenyl oxide dianhydride, 3,4,3′,4′-Diphenyl ether tetracarboxylic anhydride, 4,4''-Oxybisdiphthalic anhydride, 4,4'-Oxydiphthalic Acid, 4,4'-Oxydiphthalic dianhydride, 4,4′-Oxybiphthalic anhydride, 4,4′-Oxybis(phthalic anhydride), 4,4′-Oxydiphthalic acid dianhydride, 4-(1,3-Dioxo-1,3-dihydro-2-benzofuran-5-yl)oxy-2-benzofuran-1,3-dione, 4-4'-Oxydiphthalic acid anhydride, 5,5'-Oxybis(2-Benzofuran-1,3-Dione), 5,5'-Oxybis-3-Isobenzofurandione, 5,5′-Oxybis[1,3-isobenzofurandione], 5,5′-Oxydiisobenzofuran-1,3-dione, Bis(3,4-dicarboxydiphenyl) ether dianhydride, Bis(3,4-dicarboxyphenyl) ether anhydride, Bis(3,4-dicarboxyphenyl)ether dianhydride, Bis-(3-phthalyl anhydride) ether, OPDA (oxydiphthalic anhydride), Odpa, Odpa-M, Oxydiphthalicanhydride, Oxydiphthalic anhydride, Phthalic anhydride, 4,4′-oxydi-, S-Odpa
• Brand: TCI

Chemical properties

• Molecular weight: 310.22
• Formula: C₁₆H₆O₇
• Purity: >98.0%(HPLC)
• Color/Form: White to Light yellow to Light orange powder to crystal
• InChI: InChI=1S/C16H6O7/c17-13-9-3-1-7(5-11(9)15(19)22-13)21-8-2-4-10-12(6-8)16(20)23-14(10)18/h1-6H
• InChI key: InChIKey=QQGYZOYWNCKGEK-UHFFFAOYSA-N
• SMILES: O=C1OC(=O)c2cc(Oc3ccc4c(c3)C(=O)OC4=O)ccc21