SINOMER® BPFL (Bisphenol Fluorene, CAS 3236-71-3) is a high-purity, bulky bisphenol monomer containing a rigid fluorene skeleton. It serves as a versatile building block for the synthesis of high-performance polymers, including polycarbonates, epoxy resins, polyurethanes, and polyesters. The rigid fluorene unit imparts excellent thermal stability, high glass transition temperature (Tg), and superior optical clarity to the resulting polymers. SINOMER® BPFL is especially valued in applications requiring high refractive index and low birefringence.
SINOMER® BPFL
(Bisphenol Fluorene – High Purity Intermediate for Functional Polymers)
Chemical Name: 9,9-bis(4-hydroxyphenyl)fluorene;Fluoren-Bis-Phenol;Bisphenol fluorenone
CAS No.: 3236-71-3
MF: C25H18O2
MW： 350.41
Molecular structure:
SINOMER® BPFL (Bisphenol Fluorene, CAS 3236-71-3) is a high-purity, bulky bisphenol monomer containing a rigid fluorene skeleton. It serves as a versatile building block for the synthesis of high-performance polymers, including polycarbonates, epoxy resins, polyurethanes, and polyesters. The rigid fluorene unit imparts excellent thermal stability, high glass transition temperature (Tg), and superior optical clarity to the resulting polymers. SINOMER® BPFL is especially valued in applications requiring high refractive index and low birefringence.
Appearance | White powder |
Purity (%) | ≥ 99 |
Density (g/cm³) | 1.3 ± 0.1 |
Refractive index | 1.711 ± 0.1 |
Melting point (°C) | 224 – 227 |
High purity (≥99%) – ensures consistent polymerization results
Rigid fluorene backbone – enhances thermal stability and Tg of final polymers
High refractive index – enables optical clarity and high‑RI formulations
Low moisture absorption – suitable for moisture‑sensitive systems
Good solubility in common organic solvents (e.g., acetone, THF, DMF)
High‑performance polymers – monomer for polycarbonate, epoxy, polyurethane, and polyester resins
Optical materials – lens resins, optical films, and light‑guide plates
Electronic materials – interlayer insulating coatings, photoresist binders, and encapsulation resins
Advanced composites – epoxy modification for aerospace and automotive components
25 kg drum
Store in a dry, clean, well‑ventilated warehouse. Keep container tightly closed, protected from light and moisture. Avoid exposure to extreme heat. Shelf life: 12 months under recommended storage conditions.
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