Description
4,4′-[1,4-Phenylenebis(oxy)]bis(benzene-1,3-diamine) (CAS No. 1041928-17-9) is a high-purity aromatic diamine compound with the molecular formula C18H18N4O2. This specialized chemical features a symmetric structure with two benzene-1,3-diamine groups linked via a 1,4-phenylene bis(oxy) bridge, making it a valuable building block for advanced polymer synthesis and materials science applications. The compound is characterized by its high thermal stability and reactivity as a diamine, particularly in polyimide and epoxy resin formulations. Available in >98% purity by HPLC, it is supplied as a crystalline solid with strict quality control to ensure batch-to-batch consistency for research and industrial applications. Proper storage under inert atmosphere at 2-8°C is recommended to maintain stability.
Properties
- CAS Number: 1041928-17-9
- Complexity: 353
- IUPAC Name: 4-[4-(2,4-diaminophenoxy)phenoxy]benzene-1,3-diamine
- InChI: InChI=1S/C18H18N4O2/c19-11-1-7-17(15(21)9-11)23-13-3-5-14(6-4-13)24-18-8-2-12(20)10-16(18)22/h1-10H,19-22H2
- InChI Key: MOIKCNRNYNKVGS-UHFFFAOYSA-N
- Exact Mass: 322.14297583
- Molecular Formula: C18H18N4O2
- Molecular Weight: 322.4
- SMILES: C1=CC(=CC=C1OC2=C(C=C(C=C2)N)N)OC3=C(C=C(C=C3)N)N
- Topological: 123
- Monoisotopic Mass: 322.14297583
- Synonyms: 1041928-17-9, 4,4′-(1,4-Phenylenebis(oxy))bis(benzene-1,3-diamine), 4,4′-[1,4-Phenylenebis(oxy)]bis(benzene-1,3-diamine), 988-677-7, SCHEMBL7806773, 1,4-bis(2,4-diaminophenoxy)benzene, DB-411785, 4,4′-[1,4-Phenylenebis(oxy)]bis[1,3-benzenediamine]
Application
This aromatic diamine serves as a key monomer in the synthesis of high-performance polyimides and epoxy resins, particularly for applications requiring exceptional thermal and mechanical properties. It is utilized in advanced material research for developing thermally stable coatings, adhesives, and composite matrices. The compound’s symmetrical structure makes it valuable for creating polymers with precise chain architectures in specialty material engineering.
Safety and Hazards
GHS Hazard Statements
- H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
Precautionary Statements
- P264, P270, P301+P317, P330, and P501
Hazard Classes and Categories
- Acute Tox. 4 (100%)
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