New Product Launch: 3-Bromobenzo[b]naphtho[2,3-d]furan (CAS 1256544-32-7) – High-Purity Intermediate for Advanced OLED & Optoelectronic Materials

We are thrilled to announce the official launch of 3-Bromobenzo[b]naphtho[2,3-d]furan (CAS: 1256544-32-7), a pivotal intermediate for OLED organic optoelectronic materials. Featuring a unique rigid conjugated heterocyclic structure and highly reactive bromine site, it stands as a critical raw material for the R&D and mass production of next-generation display technologies, organic semiconductors, and novel optoelectronic devices.

Basic Product Specifications

Chinese Name: 3-Bromobenzo[b]naphtho[2,3-d]furan

English Name: 3-Bromobenzo[b]naphtho[2,3-d]furan

CAS No.: 1256544-32-7

Formula: C16H9BrO

Molecular Weight: 297.15

Appearance: White to off-white solid powder

Purity: 98% (standard, GC/HPLC), 99%+ ultra-high purity available

Physical Properties: Predicted boiling point 442.9±18.0℃, density 1.557±0.06g/cm³, excellent thermal stability

Storage: Store in a dry, dark place at room temperature

Core Competitive Advantages

1.Rigid Conjugated Backbone for Superior Optoelectronic Performance

The naphthofuran-based rigid heterocyclic conjugated structure delivers exceptional thermal stability, high electron mobility, and strong fluorescence, ensuring high-efficiency luminescence, long lifespan, and low power consumption for downstream OLED devices.

2.Highly Reactive Bromine Site for Versatile Synthesis

The 3-bromo substituent enables efficient participation in Suzuki, Heck, and Buchwald cross-coupling reactions, facilitating seamless integration with carbazole, triazine, fluorene, and other charge-transporting moieties to construct complex optoelectronic molecular architectures.

3.Ultra-High Purity & Batch-to-Batch Consistency

Produced via a refined purification process involving multi-step distillation and recrystallization, we strictly control residual metal ions and organic impurities. This guarantees minimal purity variation between batches, meeting stringent pharmaceutical and electronic-grade standards, with a full CoA provided for every batch.

4.Rare Molecular Structure with Limited Market Supply

The synthesis of the benzonaphthofuran heterocyclic skeleton is technically challenging and process-intensive, making it a scarce high-end optoelectronic intermediate. We have overcome synthetic bottlenecks to achieve stable mass production, filling the domestic supply gap for high-end raw materials.

Key Application Scenarios

✅ OLED Displays: Core intermediate for synthesizing RGB emissive layers, electron transport layers (ETM), and hole-blocking layers, ideal for flexible, foldable, and Micro-OLED panels.

✅ Organic Semiconductors: Critical for functional layers in organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and organic photodetectors (OPDs).

✅ Specialty Optoelectronics: Used in UV/IR emitters, organic lasers, fluorescent sensors, bioimaging probes, and high-end functional dyes.

✅ R&D & Innovation: Serves university labs, optoelectronic research institutes, and pharmaceutical R&D centers for lab-scale, pilot-scale, and novel material structure modification.

Supply & Service Commitments

Full Specifications: In-stock 100mg, 1g, 5g, 10g, 100g packages; gram-scale samples shipped same-day, kilogram-scale bulk orders customizable.

Global Delivery: Complies with international shipping standards; supports global customs, cold chain/ambient logistics, and efficient worldwide delivery.

Technical Support: Full lifecycle services including synthetic route guidance, coupling reaction optimization, downstream application adaptation, and custom purity development.

Market Value & Prospects

Amid explosive growth in global OLED, flexible electronics, and organic semiconductor industries, demand for high-purity naphthofuran-based intermediates is surging. With its structural rarity, high reactivity, and outstanding optoelectronic properties, CAS 1256544-32-7 has become an essential core intermediate for optoelectronic material synthesis, widely used in strategic emerging sectors including displays, lighting, communications, medical optics, and smart sensing.

Leveraging proprietary R&D, scalable production, and end-to-end quality control, we deliver stable, high-purity, cost-effective 3-Bromobenzo[b]naphtho[2,3-d]furan to global customers. We empower clients to overcome optoelectronic material synthesis challenges, accelerate new product development, and capture high-end market opportunities.