Description

3-(4-Aminophenoxy)aniline (CAS No. 2657-87-6) is a high-purity aromatic diamine compound with the molecular formula C₁₂H₁₂N₂O. This specialized chemical is widely used in polymer synthesis, particularly as a monomer for polyimides and other high-performance resins. The compound features two reactive amino groups separated by a phenoxy bridge, enabling its use as a crosslinking agent or building block for advanced materials. Our product is rigorously tested to ensure >98% purity (HPLC) and is supplied as a crystalline solid with excellent batch-to-batch consistency. Ideal for research applications requiring precise stoichiometry in polymerization reactions.

Key specifications include molecular weight 200.24 g/mol, melting point 105-108°C, and solubility in common organic solvents (DMF, DMSO, ethanol). Packaged under inert gas to prevent oxidation, with optional analytical certificates available. Suitable for pharmaceutical intermediates, liquid crystal polymers, and epoxy curing agents.

Properties

• CAS Number: 2657-87-6
• Complexity: 190
• IUPAC Name: 3-(4-aminophenoxy)aniline
• InChI: InChI=1S/C12H12N2O/c13-9-4-6-11(7-5-9)15-12-3-1-2-10(14)8-12/h1-8H,13-14H2
• InChI Key: ZBMISJGHVWNWTE-UHFFFAOYSA-N
• Exact Mass: 200.094963011
• Molecular Formula: C12H12N2O
• Molecular Weight: 200.24
• SMILES: C1=CC(=CC(=C1)OC2=CC=C(C=C2)N)N
• Topological: 61.3
• Monoisotopic Mass: 200.094963011
• Synonyms: 2657-87-6, 3-(4-Aminophenoxy)aniline, 3,4′-Diaminodiphenyl Ether, EINECS 220-190-0, ZBMISJGHVWNWTE-UHFFFAOYSA-, DTXSID80181144, DTXCID90103635, 220-190-0, inchi=1/c12h12n2o/c13-9-4-6-11(7-5-9)15-12-3-1-2-10(14)8-12/h1-8h,13-14h2, 3,4′-Oxydianiline, 3,4-oxydianiline, Benzenamine, 3-(4-aminophenoxy)-, 3,4′-Oxydianiline, 97%, 3,4′-Oxydianiline (3,4′-ODA), 3,4′-Diamino diphenylether, 3,4′-Diaminodiphenylehter, MFCD00036097, SCHEMBL63373, 3-(4-Aminophenoxy)phenylamine, 3-(4-Aminophenoxy)phenylamine #, SBB070386, AKOS004910559, CS-W015613, AC-23692, AS-14507, 3,4 inverted exclamation marka-Oxydianiline, DB-021963, D1924, NS00028137, D70102

Application

3-(4-Aminophenoxy)aniline serves as a critical monomer for synthesizing heat-resistant polyimides used in flexible printed circuits and aerospace composites. The compound’s dual amine functionality enables its use as a curing agent for epoxy resins in high-temperature adhesives. Researchers employ this diamine to develop novel polymer architectures with tailored thermal and mechanical properties for advanced material science applications.

Safety and Hazards

GHS Hazard Statements

• H301+H311+H331 (14%): Toxic if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]
• H301 (14%): Toxic if swallowed [Danger Acute toxicity, oral]
• H311 (14%): Toxic in contact with skin [Danger Acute toxicity, dermal]
• H315 (86%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (14%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (86%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H331 (14%): Toxic if inhaled [Danger Acute toxicity, inhalation]
• H335 (84.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H340 (10.5%): May cause genetic defects [Danger Germ cell mutagenicity]
• H350 (10.5%): May cause cancer [Danger Carcinogenicity]
• H361 (12.3%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
• H410 (14%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P203, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P316, P318, P319, P321, P330, P332+P317, P333+P317, P337+P317, P361+P364, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 3 (14%)
• Acute Tox. 3 (14%)
• Skin Irrit. 2 (86%)
• Skin Sens. 1 (14%)
• Eye Irrit. 2 (86%)
• Acute Tox. 3 (14%)
• STOT SE 3 (84.2%)
• Muta. 1B (10.5%)
• Carc. 1B (10.5%)
• Repr. 2 (12.3%)
• Aquatic Chronic 1 (14%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.