Description

Benzo[2,1-B:3,4-B]Difuran (8Ci,9Ci) is a high-purity, fused heterocyclic aromatic compound with the CAS number 211-47-2. This specialized chemical serves as a critical building block and advanced intermediate in the synthesis of complex organic materials and functional molecules. It is essential for research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel compounds with specific electronic or structural properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring complex fused-ring systems.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where its unique structure can contribute to biological activity.
• Organic Electronic Materials: Acts as a core component in the research of organic semiconductors, light-emitting diodes (OLEDs), and other optoelectronic materials due to its conjugated system.
• Ligand and Catalyst Synthesis: Serves as a sophisticated backbone for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Dye and Pigment Chemistry: Employed in the development of advanced dyes and functional pigments where its fused aromatic structure provides color and stability.
• Academic and Industrial R&D: A valuable reagent for fundamental organic chemistry research and process development in fine chemical synthesis.

Basic Information

Item	Details
Product Name	Benzo[2,1-B:3,4-B]Difuran (8Ci,9Ci)
CAS No.	211-47-2
Molecular Formula	C10H6O2
Molecular Weight	158.16 g/mol
Synonyms	Benzo[2,1-b:3,4-b']difuran; 2,3,6,7-Dibenzofuran; Naphtho[2,3-b]furan; Dibenzofuran, 2,3,6,7-; 2,3,6,7-Dibenzo[b,d]furan; 2,3,6,7-Dibenzofuran (ambiguous but common); Benzo[2,1-b:3,4-b']difuran (8CI,9CI)
EINECS	205-071-3

Quality Control

Our Benzo[2,1-B:3,4-B]Difuran (8Ci,9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for research and process development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.