Description

3-Bromo-2,5-Dichlorothiophene is a high-purity halogenated thiophene derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring bromine and chlorine substituents on the thiophene ring, makes it an essential building block for constructing complex heterocyclic systems. This compound is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for bioactivity.
• Organic Electronic Materials: Serves as a monomer or building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and coordination chemistry.
• Chemical Research: A versatile reagent for heterocyclic and cross-coupling chemistry (e.g., Suzuki, Stille reactions) in academic and industrial R&D settings.
• Functional Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and pigments with specific light-absorption or emission properties.

Basic Information

Product Name	3-Bromo-2,5-Dichlorothiophene
CAS No.	60404-18-4
Molecular Formula	C4HBrCl2S
Molecular Weight	241.93 g/mol
Synonyms	2,5-Dichloro-3-bromothiophene; 3-Bromo-2,5-dichlorothiophene; Thiophene, 3-bromo-2,5-dichloro-; 2,5-Dichloro-3-bromothiophene; 3-Brom-2,5-dichlorthiophen (German); 3-ブロモ-2,5-ジクロロチオフェン (Japanese); 3-溴-2,5-二氯噻吩 (Chinese)
EINECS	Contact for details

Quality Control

Our 3-Bromo-2,5-Dichlorothiophene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and elemental analysis, to ensure high chemical purity and identity confirmation. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting purity, impurity profiles, and physical characteristics. Our quality commitment ensures reliable batch-to-batch consistency for your critical research and development processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is between 2°C and 8°C (refrigerated) for long-term stability, although the product is stable at room temperature for shorter periods. Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	48°C - 52°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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