3,4'-Oxydianiline (3,4'-ODA)
CAS Number 2657-87-6
Chemistry Building Blocks, COF Ligands, Diamines and Dianhydrides, Materials,
An asymmetrical diamine building block
As intermediate for the preparation of polyimides in application of transparent substrates, organic porous materials, and pervaporation membranes
Specifications | MSDS | Literature and Reviews
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.
Oxydianiline building block
for the synthesis of COFs, OLED and organic photovoltaic materials
Worldwide shipping
Quick and reliable shipping
Capped with amine
for facile reactions
High purity
>99% Purity
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.