Description

5-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine is a high-purity brominated heterocyclic compound serving as a critical building block in advanced organic synthesis. Its unique fused dioxine-thiophene structure makes it a valuable precursor for developing novel materials with specific electronic and optical properties. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials industries for creating innovative active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key synthon for the research and development of new therapeutic agents, particularly in central nervous system (CNS) and antiviral drug candidates.
• Agrochemical Synthesis: Used in constructing complex molecules for next-generation herbicides, fungicides, and insecticides with improved efficacy.
• Organic Electronic Materials: Serves as a core component in the synthesis of conjugated polymers and small molecules for organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Ligand and Catalyst Development: Employed to create novel heterocyclic ligands for transition metal catalysis and asymmetric synthesis.
• Chemical Research: A versatile reagent in academic and industrial laboratories for exploring new heterocyclic chemistry and ring systems.
• Specialty Polymer Modification: Incorporated into polymer backbones to impart specific functionalities like altered solubility, thermal stability, or electronic characteristics.

Basic Information

Product Name	5-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine
CAS No.	302554-82-1
Molecular Formula	C6H5BrO2S
Molecular Weight	221.07 g/mol
Synonyms	5-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine; 5-Bromothieno[3,4-b][1,4]dioxine, 2,3-dihydro-; 2,3-Dihydro-5-bromothieno[3,4-b][1,4]dioxine; 5-Bromo-2,3-dihydro[1,4]dioxino[2,3-c]thiophene; 5-Bromo-EDOT derivative; Brominated EDOT analog
EINECS	Contact for details

Quality Control

Our 5-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical quality parameters. Our commitment to cGMP and ISO standards ensures reliable supply for your most demanding research and scale-up projects.

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 away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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