【Chemical Name】9,9-Bis(4-hydroxy-3-methylphenyl)fluorene
【Other Name】Biscresolfluorene；BCF；4,4'-(9-Fluorenylidene)di(o-cresol)；9,9-Bis(3-methyl-4-hydroxyphenyl)fluorene；4,4'-(9H-Fluorene-9,9-diyl)bis(2-methylphenol)
【CAS No.】88938-12-9
【Molecular Formula】C₂₇H₂₂O₂
【Molecular Weight】378.46—378.47 g/mol
【Product properties】
| Property | Value |
| :--- | :--- |
| Appearance | White to almost white powder to crystal |
| Purity | ≥98% (GC) / ≥99% (HPLC) |
| Melting Point | 218–219°C |
| Boiling Point | 533.4±50.0°C (predicted) |
| Density | 1.242±0.06 g/cm³ (predicted) |
| Flash Point | 238°C |
| pKa | 9.97±0.35 (predicted) |
| Solubility | Insoluble in water; soluble in methanol, chloroform |
| Physical State (20°C) | Solid |
Optical Properties: Birefringent polyfluorene with optical constant of 1.8 and birefringence of 0.2.
【Storage】
Sealed in dry condition, room temperature. Recommended storage in a cool and dark place below 15°C. Keep away from moisture and light.
【Packing】
Available in 5g, 25g, 100g, 250g, 500g, 1kg, 25Kg and bulk packaging upon request.
【Application】
- Polymer & Resin Production: Monomer in polycondensation processes for high heat-resistant polyester resins and plastics used in electrical insulation applications.
- Advanced Electronics: Key intermediate for OLEDs (organic light-emitting diodes) and organic photovoltaic cells, enabling efficient charge transport and light emission.
- Epoxy Resins & Optical Materials: Component in photosensitive epoxy resin compositions for optical waveguides, LCD films, and smartphone lenses.
- Semiconductor Packaging: High-purity grades for advanced chip packaging applications (purity >99.99%).
- Organic Synthesis: Intermediate for laboratory R&D and chemical production processes.
【Product Specification】
| Item | Specification |
| :--- | :--- |
| Purity (HPLC) | ≥99% |
| Purity (GC) | ≥98% |
| Appearance | White to almost white powder/crystal |
| Melting Point | 216–222°C |
| Water Solubility | Insoluble |
| MDL Number | MFCD04038046 |
| HS Code | 2907.29.9000 |