9,9-Bis(4-aminophenyl) fluorene BAF CAS 15499-84-0

【Chemical Name】 9,9-Bis(4-aminophenyl)fluorene

【Other Name】 BAF | FDA | BAFL | 4,4'-(9-Fluorenylidene)dianiline | Benzenamine, 4,4'-(9H-fluoren-9-ylidene)bis- | 9,9-Bis(4-aminophenyl)-9H-fluorene

【CAS No. 】 15499-84-0

【Molecular Formula】 C₂₅H₂₀N₂

【Molecular Weight】 348.44–348.45 g/mol

【Product properties】

| Property | Value |

| :--- | :--- |

| Appearance | White to almost white powder or crystal |

| Purity (HPLC) | ≥97.0 area% (standard); ≥99.5% (high purity) |

| Purity (GC / Titration) | ≥98.0%–≥99.0% |

| Melting Point | 236–239°C |

| Boiling Point | 535.2±50.0°C (predicted) |

| Density | 1.245±0.06 g/cm³ (predicted) |

| Solubility | Insoluble in water; soluble in DMF; slightly soluble in methanol and chloroform |

| pKa | 4.92±0.10 (predicted) |

| Physical State (20°C) | Solid |

【Storage】

Store in a well-closed, dry, cool and well-ventilated place. Keep away from light, moisture and strong oxidizing agents. Recommended storage temperature: room temperature in a dark place (preferably below 15°C). Stable under inert atmosphere.

【Packing】

- Standard: 1g, 5g, 25g, 100g, 500g (glass bottles with plastic insert or aluminum foil bags)

- Bulk: 1kg, 5kg, 10kg, 25kg (sealed bags, fiber drums with inner plastic liner, or cardboard drums)

- Customized packaging available upon request

【Application】

- High-performance polyimides: Key monomer for aromatic polyimides with excellent thermal stability, hydrolytic resistance, electrical insulation and mechanical properties, widely used in optical fiber light guide coatings, flexible films and composite materials.

- Optoelectronic materials: Organic hole-transporting material (dopant-free) in inverted perovskite solar cells; used in OLEDs, organic thin-film transistors (OTFTs) and other optoelectronic devices due to good fluorescence and electronic conduction properties.

- Polymer synthesis: Building block for polyamides, polyurethanes, epoxy resins and poly(pyridinium salt)s with lyotropic liquid-crystalline and light-emitting properties.

- Memory devices: Functional copolyimide component for tuning electrical memory behavior from nonvolatile to volatile.

- Chemical intermediate: Essential intermediate for specialty chemicals, advanced coatings, and functional electronic materials.

- R&D applications: Widely used in laboratory and industrial R&D for advanced material design and organic synthesis.

【Product Specification】

| Item | Specification |

| :--- | :--- |

| Purity (HPLC) | ≥97.0 area% – ≥99.5% |

| Purity (GC / Titration) | ≥98.0% – ≥99.0% |

| Appearance | White to almost white powder/crystal |

| Melting Point | 236–239°C |

| Water Solubility | Insoluble |

| Metal Ion Content (high purity grade) | Single metal ≤1 ppm |

| MDL Number | MFCD00039156 |

| HS Code | 2921.49.9090 / 2921.59.9090 |

| Storage Class | IRRITANT |