Description

2,5-Dibromo-3,4-Dimethylthiophene CAS NO 74707-05-4 is a halogenated thiophene derivative, a versatile and high-value organic building block. Its core value lies in its functionalized structure, which makes it a critical intermediate for synthesizing complex molecules in advanced material science and pharmaceutical research. This compound is essential for R&D chemists and process engineers in the agrochemical, pharmaceutical, and organic electronics industries who require precise, high-purity intermediates for heterocyclic chemistry.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for drugs targeting central nervous system disorders.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and fungicides, where the thiophene core provides unique biological activity.
• Organic Electronic Materials: Acts as a monomer or dopant in the production of conductive polymers, organic semiconductors, and OLED (Organic Light-Emitting Diode) materials.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create specialized ligands for transition metal catalysts used in cross-coupling reactions.
• Chemical Research & Development: A fundamental reagent for academic and industrial research into new heterocyclic compounds and reaction methodologies.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments due to the electron-rich thiophene ring system.

Basic Information

Item	Details
Product Name	2,5-Dibromo-3,4-Dimethylthiophene
CAS No.	74707-05-4
Molecular Formula	C6H6Br2S
Molecular Weight	269.99 g/mol
Synonyms	3,4-Dimethyl-2,5-dibromothiophene; 2,5-Dibromo-3,4-dimethylthiophene; Thiophene, 2,5-dibromo-3,4-dimethyl-; 3,4-Dimethylthiophene-2,5-diyldibromide
EINECS	Contact for details

Quality Control

Our 2,5-Dibromo-3,4-Dimethylthiophene is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during long-term storage.

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%

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