Description

5-Bromo-7-(5-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxin-7-Yl)-2,3-Dihydrothieno[3,4-B][1,4]Dioxine is a specialized organic compound belonging to the class of fused thienodioxine derivatives. This high-purity intermediate is critical for advanced research and development in the field of organic electronics and functional materials. It is primarily sought by R&D chemists and material scientists working on the synthesis of novel conjugated polymers and small molecules for applications such as organic semiconductors, photovoltaics, and electrochromic devices.

Application

• Key Monomer for Conjugated Polymers: Serves as a crucial building block in the synthesis of donor-acceptor (D-A) type polymers for organic photovoltaics (OPVs) and organic field-effect transistors (OFETs).
• Organic Semiconductor Development: Used in the research and production of n-type or ambipolar organic semiconductor materials due to its electron-deficient thienodioxine core.
• Electrochromic Material Synthesis: A precursor for developing polymers that change color in response to an electrical stimulus, used in smart windows and displays.
• Non-Fullerene Acceptor Components: Employed in the construction of advanced non-fullerene acceptors (NFAs) for high-efficiency perovskite and organic solar cells.
• Ligand and Complex Synthesis: Can be functionalized to create novel ligands for catalytic complexes or metal-organic frameworks (MOFs).
• Academic and Industrial R&D: A valuable tool for exploring structure-property relationships in π-conjugated systems within university and corporate research laboratories.

Basic Information

Product Name	5-Bromo-7-(5-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxin-7-Yl)-2,3-Dihydrothieno[3,4-B][1,4]Dioxine
CAS No.	287924-56-5
Molecular Formula	C12H6Br2O4S2
Molecular Weight	462.11 g/mol
Synonyms	7,7'-(2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-diyl)bis(5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine); 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine dimer; Bis(5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxin-7-yl) ether; Thieno[3,4-b][1,4]dioxine, 5,7-dibromo-, dimer; EDOT-Br dimer (commonly used abbreviation)
EINECS	Contact for details

Quality Control

Every batch of 5-Bromo-7-(5-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxin-7-Yl)-2,3-Dihydrothieno[3,4-B][1,4]Dioxine is manufactured and tested under strict quality management protocols to ensure consistency and reliability for sensitive synthetic applications. Our products undergo rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure compliance with stringent purity specifications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines
Elemental Analysis	Within theoretical ±0.4%

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