Description

4,4′-(9-Fluorenylidene)dianiline (CAS No. 15499-84-0) is a high-purity aromatic diamine with the molecular formula C₂₅H₂₀N₂. This compound, also known as 9,9-Bis(4-aminophenyl)fluorene, features a rigid fluorenylidene core flanked by two reactive aniline groups, making it a valuable monomer for advanced polymer synthesis. Its unique structure imparts exceptional thermal stability, mechanical strength, and optical properties to polyimides, epoxy resins, and other high-performance materials. Ideal for researchers and scientists, this product is meticulously synthesized and purified to ensure consistency in applications such as electronics, aerospace, and coatings. Available in various quantities with detailed analytical documentation (HPLC, NMR, MS) to meet stringent research and industrial standards.

Properties

• CAS Number: 15499-84-0
• Complexity: 454
• IUPAC Name: 4-[9-(4-aminophenyl)fluoren-9-yl]aniline
• InChI: InChI=1S/C25H20N2/c26-19-13-9-17(10-14-19)25(18-11-15-20(27)16-12-18)23-7-3-1-5-21(23)22-6-2-4-8-24(22)25/h1-16H,26-27H2
• InChI Key: KIFDSGGWDIVQGN-UHFFFAOYSA-N
• Exact Mass: 348.162648646
• Molecular Formula: C25H20N2
• Molecular Weight: 348.4
• SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C2(C4=CC=C(C=C4)N)C5=CC=C(C=C5)N
• Topological: 52
• Monoisotopic Mass: 348.162648646
• Synonyms: 4,4′-(9-Fluorenylidene)dianiline, 628-740-5, 15499-84-0, 4,4′-(9H-fluorene-9,9-diyl)dianiline, 9,9-Bis(4-aminophenyl)fluorene, 4-[9-(4-aminophenyl)fluoren-9-yl]aniline, Benzenamine, 4,4′-(9H-fluoren-9-ylidene)bis-, 4-[9-(4-aminophenyl)-9H-fluoren-9-yl]aniline, MFCD00039156, 9,9-Bis(4-aminophenyl)fluorene (FDA), SMR000203330, MLS000584167, 4,4/’-(9-Fluorenylidene)dianiline, 4-[9-(4-Aminophenyl)-9H-fluoren-9-yl]phenylamine, 4-[9-(4-aminophenyl)fluoren-9-yl]phenylamine, C25H20N2, YSWG207, SCHEMBL105428, CHEMBL341910, cid_631552, SCHEMBL1259227, SCHEMBL16632998, BDBM88449, KIFDSGGWDIVQGN-UHFFFAOYSA-, DTXSID20348173, 9,9-bis(4-aminophenyl )fluorene, HMS2596C15, HMS3382B04, BCP25888, 4,4′-(9-Fluorenylidene)dianiline, SBB008629, STK027195, AKOS000319533, CS-W009817, DS-17930, SY038932, 4,4′-(9-Fluorenylidene)dianiline, 99%, 4-[9-(4-aminophenyl)-9-fluorenyl]aniline, DB-028625, ST4008131, B1549, B2654, EU-0067018, F10213, [4-[9-(4-aminophenyl)fluoren-9-yl]phenyl]amine, 4-[9-(4-Aminophenyl)-9H-fluoren-9-yl]phenylamine #, 4,4 inverted exclamation marka-(9-Fluorenylidene)dianiline, 9,9-Bis(4-aminophenyl)fluorene (purified by sublimation), 9,9-Bis(4-aminophenyl)fluorene, (purified by sublimation), InChI=1/C25H20N2/c26-19-13-9-17(10-14-19)25(18-11-15-20(27)16-12-18)23-7-3-1-5-21(23)22-6-2-4-8-24(22)25/h1-16H,26-27H2

Application

4,4′-(9-Fluorenylidene)dianiline is widely used as a key monomer in the synthesis of high-performance polyimides and epoxy resins, offering enhanced thermal and mechanical properties. Its rigid backbone makes it suitable for advanced composites in aerospace and microelectronics, where dimensional stability is critical. The compound also serves as a precursor for photoactive polymers in optoelectronic devices due to its conjugated structure.

Safety and Hazards

GHS Hazard Statements

• H302 (95.1%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (95.1%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (95.1%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (95.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (95.1%)
• Acute Tox. 4 (95.1%)
• Eye Irrit. 2 (100%)
• Acute Tox. 4 (95.1%)
• STOT SE 3 (95.1%)

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