4,4'-Oxydiphthalic anhydride (ODPA)

CAS Number 1823-59-2

Chemistry Building Blocks, COF Ligands, Diamines and Dianhydrides, Heterocyclic Building Blocks, Monomers, Porous Organic Frameworks

MSDS

4,4'-Oxydiphthalic anhydride (ODPA) CAS 1823-59-2

A dianhydride building block with a phenyl ether moiety

An intermediate for polyimides synthesis in application of super capacitors, battery anodes, fluorescence emitters and MOFs-based memory devices

Overview
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4,4'-Oxydiphthalic anhydride (ODPA, CAS number 1823-59-2), end-capped with two carboxylic anhydrides, is typically used for polyimide synthesis in material science. The polyimide films from 4,4'-oxydiphthalic anhydride exhibit high thermal resistance and high specific capacitance (121 F/g). They work well as separators in supercapacitors. The polyimides are also used as anodes in Li-batteries, owing to their dissolution in the electrolyte to maintain the electrochemical performance of Li-batteries.

ODPA can be hydrolysed and chelated to metal ions (e.g., indium) forming metal organic frameworks (MOFs) for multilevel flexible optoelectronic memory devices. The memory devices have over 192 distinct levels (6-bit storage) and stable retention (10000 s).

General Information

CAS Number	1823-59-2
Chemical Formula	C₁₆H₆O₇
Full Name	4,4′-Oxydiphthalic anhydride
Molecular Weight	310.21 g/mol
Synonyms	3,3′,4,4′-Diphenyl ether tetracarboxylic acid dianhydride, Bis-(3-phthalyl anhydride) ether, 5,5′-Oxybis(1,3-isobenzofurandione)
Classification / Family	Dianhydride building blocks, Phenyl ether derivatives, MOFs, Batteries, Capacitors, Fluorescence emitters

Chemical Structure

Product Details

Purity	>99%
Melting Point	T_m = 225 °C – 229 °C
Appearance	White to off-white powder

MSDS Documentation

4,4'-Oxydiphthalic anhydride (ODPA) MSDS Sheet

Literature and Reviews

Long-living luminescence emitted from imide compounds dispersed in polymer matrices after continuous ultraviolet irradiation and its relation to oxygen quenching, M. Doi et al., ChemPhotoChem, e202200310(2023); DOI: 10.1002/cptc.202200310.
Dielectric polymers for high-temperature capacitive energy storage, H. Li et al., Chem. Soc. Rev., 50, 6369-6400(2021); DOI: 10.1039/D0CS00765J.
Electrospun benzimidazole-based polyimide membrane for supercapacitor applications, Y.-H. Lu et al., Membranes, 12, 961(2022); DOI: 10.3390/membranes12100961.
Functional chain length in polymer-based anode materials: desirable way to improve Li-ion battery performance, H. Jeon et al., Mater. Lett., 334, 133721(2023); DOI: 10.1016/j.matlet.2022.133721.
Macroporous polyimide aerogels: a comparison between powder microparticles synthesized via wet gel grinding and emulsion process, S. Dayarian et al., Langmuir, 39, 1804−1814(2023); DOI: 10.1021/acs.langmuir.2c02696.
Optically encodable and erasable multilevel nonvolatile flexible memory device based on metal-organic frameworks, M. Mustaqueem et al., ACS Appl. Mater. Interfaces, 14(23), 26895–26903(2022); DOI: 10.1021/acsami.2c02440.

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