Description

2,5-Bis(Chloromethyl)Thiophene is a versatile and highly reactive organic intermediate, primarily valued for its role as a key building block in advanced synthesis. Its bifunctional chloromethyl groups make it a critical precursor for constructing complex heterocyclic and polymeric structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those containing thiophene-based heterocycles.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the thiophene ring contributes to biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for the development of specialty polymers, conductive polymers, and functional resins.
• Ligand & Chelating Agent Precursor: Employed in the synthesis of complex ligands for catalysis and metal ion coordination chemistry.
• Organic Semiconductor Research: Investigated as a building block for π-conjugated systems used in organic electronic devices.
• Chemical Synthesis: A versatile reagent for nucleophilic substitution reactions, enabling the introduction of the thiophene moiety into more complex molecules.

Basic Information

Product Name	2,5-Bis(Chloromethyl)Thiophene
CAS No.	28569-48-4
Molecular Formula	C6H6Cl2S
Molecular Weight	181.08 g/mol
Synonyms	2,5-Di(chloromethyl)thiophene; Thiophene-2,5-diylbis(chloromethane); 2,5-Bis(chloromethyl)thiophene; 1,5-Dichloro-2,4-dithiapentane (cyclic); α,α'-Dichloro-2,5-thiophenedimethanol; 2,5-Thiophenedimethanol, dichloride
EINECS	249-099-5

Quality Control

Our 2,5-Bis(Chloromethyl)Thiophene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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, open flames, and strong bases. Due to its reactive chloromethyl groups, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	64 - 68 °C
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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