Description

5,7-Dibromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine CAS NO 174508-31-7 is a high-purity, functionalized heterocyclic compound belonging to the dioxine-thiophene family. This specialty chemical serves as a critical advanced intermediate and monomer in the synthesis of sophisticated organic electronic materials. It is primarily sought by R&D and production teams in the organic semiconductor and conductive polymer industries.

Application

• Organic Semiconductor Precursor: A key building block for synthesizing novel p-type and n-type organic semiconductors used in OFETs (Organic Field-Effect Transistors).
• Conductive Polymer Synthesis: Serves as a monomer or co-monomer for developing polymers with tailored electronic properties for applications in flexible electronics.
• OLED Material Development: Used in the research and production of electron-transporting or host materials for Organic Light-Emitting Diodes (OLEDs).
• Electrochromic Material Research: Employed in the creation of materials that change color with applied voltage for smart windows and displays.
• Chemical Sensor Fabrication: Acts as a functional component in the development of sensitive layers for chemical and biological sensors.
• Academic & Industrial R&D: A valuable reagent for exploring new conjugated systems and materials chemistry in university and corporate laboratories.

Basic Information

Product Name	5,7-Dibromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine
CAS No.	174508-31-7
Molecular Formula	C6H4Br2O2S
Molecular Weight	307.97 g/mol
Synonyms	5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine; 2,3-Dihydrothieno[3,4-b][1,4]dioxine, 5,7-dibromo-; 5,7-Dibromo-2,3-dihydro-[1,4]dioxino[2,3-c]thiophene; EDOT-Br2; Bis-brominated EDOT; 3,4-Ethylenedioxythiophene-5,7-dibromide; 5,7-Dibromo-3,4-ethylenedioxythiophene
EINECS	Contact for details

Quality Control

Our production of 5,7-Dibromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, which is critical for electronic material performance. All materials are characterized using advanced analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment 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). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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