3,4'-Oxydianiline (3,4'-ODA)
CAS Number 2657-87-6
Chemistry Building Blocks, COF Ligands, Diamines and Dianhydrides, Materials, Monomers, Non-Heterocyclic Building Blocks, Porous Organic Frameworks
An asymmetrical diamine building block
As intermediate for the preparation of polyimides in application of transparent substrates, organic porous materials, and pervaporation membranes
3,4'-Oxydianiline (3,4'-ODA), CAS number 2657-87-6, is a phenyl ether derivative capped with two amines at para- and meta-position on either end. 3,4'-Oxydianiline is typically used for synthesizing polyimides with multi-functionalities. Due to the meta-substituted amine hindering the intermolecular packing, the polyimides are transparent. Therefore, they are applied as substrates in displays. The high thermal stability (210 °C) allows these polyimides to be used as substrates for sintering integrated devices.
3,4'-ODA is also used in synthesizing organic porous materials with BET surface area up to 351 m2/g. The polyetherimide membranes obtained from this diamine building block show effectiveness on pervaporation for water-isopropanol separation.
General Information
CAS Number | 2657-87-6 |
Chemical Formula | C12H12N2O |
Full Name | 3-(4-Aminophenoxy)aniline |
Molecular Weight | 200.24 g/mol |
Synonyms | 3,4′-DAPE, 3,4′-diaminodiphenyl ether, 3,4′-oxydiphenylamine, 3-(4-aminophenoxy)aniline |
Classification / Family | Diamine building block, Transparent substrate, Polyimides, Pervaporation membranes |
Chemical Structure
Product Details
Purity | >99% |
Melting Point | Tm = 61 °C – 67 °C |
Appearance | Pale yellow to reddish yellow powder/crystal |
MSDS Documentation
3,4'-Oxydianiline (3,4'-ODA) MSDS Sheet
Literature and Reviews
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Comparison of properties of colorless and transparent polyimide films using various diamine monomers, H. Jeon et al, Rev. Adv. Mater. Sci., 62, 394-404(2022); DOI: 10.1515/rams-2022-0044.
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Fabrication of gold-doped crystalline-silicon nanomembrane-based wearable temperature sensor, K. Kang et al., STAR protocols, 4(1), 101925(2023); DOI: 10.1016/j.xpro.2022.101925.
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Solid-state thermal rectification of bilayers by asymmetric elastic modulus, J. Lee et al., Mater. Horiz., 10, 1431-1439(2023), DOI: 10.1039/d2mh01550a.
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Synthesis and characterization of benzene- and triazine-based azobridged porous organic polymers, B. Panić et al., Polymers, 15, 229(2023); DOI: 10.3390/
polym15010229.
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Synthesis of aromatic polyimides based on 3,4'-oxydianiline by one-pot polycondensation in molten benzoic acid and their application as membrane materials for pervaporation, A. Soldatova et al., Materials, 15, 6845(2022); DOI: 10.3390/ma15196845.
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Tailoring poly(styrene-co-maleic anhydride) networks for all-polymer dielectrics exhibiting ultrahigh energy density and charge-discharge efficiency at elevated temperatures, Z. Pan et al., Adv. Mater., 35(1), 2207580(2022); DOI: 10.1002/adma.202207580.
- Thermal shape morphing of membrane-type electronics based on plastic-elastomer frameworks for 3D electronics with various Gaussian curvatures, Mater. Des., 227, 111811(2023); DOI: 10.1016/j.matdes.2023.111811.
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