Raw Materials & Polymers
3,4'-DAPE (3,4'-diaminodiphenylether), Cas No. 2657-87-6
3,4'-DAPE (an abbreviation for 3,4'-diaminodiphenylether, also known as 3,4'-ODA) is a chemical entity serving as an intermediate for chemical synthesis of para-aramid fibers.
Teijin has been producing 3,4'-DAPE since the first half of the 1990s, and is currently the only supplier of the compound manufactured on a commercial basis (as of 2013).
Teijin will increase its production capacity for 3,4'-DAPE to meet new demands for emerging applications.
Description
| IUPAC name | 3,4'-diaminodiphenylether |
|---|---|
| Abbreviations |
3,4'-DAPE 3,4'-ODA 3,4'-DPE |
| Synonyms |
p-(m-aminophenoxy)aniline 3,4'-oxydianiline 3,4'-oxybisaniline |
| Cas No. | 2657-87-6 |
| Molecular formula | C12H12N2O |
| Structural formula |  |
| Molecular weight (g/mol) | 200.236 |
| Melting point (℃) | 77 |
| Boiling point (℃) | 210 (@400 Pa) |
| Purity (wt%) | ≥99.3 |
| State of matter | Solid |
| Packing | In drums |
Applications for 3,4'-DAPE
With these features, 3,4'-DAPE is expected to find many raw material applications for a variety of polymers such as aramids and polyimides, as well as for resin molding compounds, enameled electric cables, films, laminate agents, coating agents and adhesives.