Global Manufacturers of Bis(4-(Dibenzo[b,d]Furan-4-Yl)Phenyl)Amine: Technical & Commercial Insights
- NINGBO INNO PHARMCHEM CO.,LTD. delivers industrial purity Bis(4-(dibenzo[b,d]furan-4-yl)phenyl)amine (BFRDPA) with >95% assay and full regulatory documentation.
- Advanced synthesis route ensures consistent batch-to-batch quality for OLED hole-transport layers and emissive materials.
- Bulk price competitiveness and scalable supply chain support global display and lighting manufacturers.
Bis(4-(dibenzo[b,d]furan-4-yl)phenyl)amine (CAS: 955959-91-8), also known by its shorthand BFRDPA or DFRDPA, is a critical aromatic amine intermediate in next-generation organic light-emitting diode (OLED) architectures. Its molecular structure—featuring two dibenzofuran moieties linked via a central triphenylamine core—confers excellent thermal stability, high triplet energy levels (>2.8 eV), and superior hole-transport characteristics. These properties make it indispensable in blue and white phosphorescent OLEDs (PhOLEDs) and thermally activated delayed fluorescence (TADF) emitters.
Industrial Purity and Synthesis Route Requirements
For integration into high-performance OLED stacks, the industrial purity of BFRDPA must meet stringent thresholds—typically ≥95% by HPLC, with strict control over residual metals (Pd, Cu < 10 ppm) and halogenated impurities. The compound’s alternative IUPAC name, 4-(4-dibenzofuranyl)-N-[4-(4-dibenzofuranyl)phenyl]-benzenamine, reflects its symmetric diarylamine backbone, which is synthesized via palladium-catalyzed Buchwald-Hartwig amination between 4-bromodibenzofuran and 4,4'-diaminobiphenyl derivatives.
The robustness of this synthesis route directly impacts yield, cost, and scalability. Leading producers optimize ligand selection (e.g., XPhos or SPhos) and solvent systems (toluene/DMF mixtures) to achieve >85% isolated yield while minimizing homocoupling byproducts. Crucially, the entire manufacturing process must be validated under cGMP-like conditions to ensure reproducibility across multi-kilogram batches.
Evaluating Global Manufacturer Capabilities
When sourcing BFRDPA globally, procurement teams should prioritize suppliers offering comprehensive technical documentation, including:
- Certificate of Analysis (COA) with HPLC chromatograms and elemental analysis
- MSDS/SDS compliant with GHS and REACH
- Batch-specific NMR (1H, 13C) and HRMS data
- Third-party audit readiness (ISO 9001, ISO 14001)
A reliable global manufacturer will also demonstrate vertical integration—from raw dibenzofuran feedstock to final purification via recrystallization or train sublimation—ensuring tight control over critical quality attributes. Impurity profiling is non-negotiable; even trace amounts of mono-substituted intermediates can quench excitons or reduce device lifetime.
Commercial Supply Models: Bulk Price and Scalability
While niche suppliers may offer gram-scale quantities at premium rates, industrial adoption demands cost-effective, large-volume availability. The bulk price of BFRDPA varies significantly based on purity tier, order volume, and logistical terms. Reputable manufacturers typically quote FOB China prices ranging from $800–$1,500/kg for 95% purity material in 1–25 kg drums, with discounts for metric-ton commitments.
NINGBO INNO PHARMCHEM CO.,LTD. stands out as a premier global manufacturer of this OLED intermediate, combining decades of heterocyclic chemistry expertise with a dedicated OLED materials production line. The company’s facility in Zhejiang Province features ISO-certified reactors, inert-atmosphere handling, and in-house analytical labs capable of full structural confirmation per ICH Q3 guidelines.
Technical Comparison: Key Quality Parameters
| Parameter | Standard Specification | Testing Method |
|---|---|---|
| Molecular Formula | C36H23NO2 | HRMS |
| Molecular Weight | 501.57 g/mol | Calculated |
| Purity (HPLC) | ≥95% | UV @ 254 nm |
| Residual Solvents | <500 ppm total | GC-FID |
| Heavy Metals | <10 ppm (as Pb) | ICP-MS |
| Appearance | White to off-white crystalline powder | Visual |
Why Partner with NINGBO INNO PHARMCHEM CO.,LTD.?
As a vertically integrated innovator in functional organic materials, NINGBO INNO PHARMCHEM CO.,LTD. offers more than just competitive pricing—it provides end-to-end reliability. From custom synthesis of novel dibenzofuran derivatives to bulk supply of established intermediates like 4-(4-dibenzofuranyl)-N-[4-(4-dibenzofuranyl)phenyl]-benzenamine, the company maintains rigorous quality control aligned with global electronics standards.
Its R&D team continuously refines the manufacturing process to enhance atom economy and reduce E-factor, while logistics partners ensure DDP delivery to Europe, North America, and Asia within 2–4 weeks. For OEMs and materials developers seeking a stable, auditable source of high-performance OLED intermediates, NINGBO INNO PHARMCHEM CO.,LTD. represents a strategic long-term partner.