Biscresol fluorene BCF CAS 88938-12-9

【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 |