Description

2,5-Dimethylthiophene CAS NO 638-02-8 is a versatile heterocyclic organic compound belonging to the thiophene family, characterized by its distinctive sulfur-containing aromatic ring. This high-purity intermediate is valued for its role as a key building block in the synthesis of complex molecules across advanced research and industrial manufacturing. It is essential for chemical R&D laboratories, agrochemical producers, and material scientists developing functional polymers and electronic materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides due to its reactive thiophene core.
• Material Science & Organic Electronics: Acts as a monomer or building block for conductive polymers, organic semiconductors, and non-linear optical materials.
• Flavor & Fragrance Industry: Employed in the creation of specific sulfur-containing aroma compounds for high-value applications.
• Chemical Research & Development: A fundamental reagent in heterocyclic chemistry for exploring new reactions and catalytic processes.
• Ligand Synthesis: Used to prepare specialized ligands for catalysis in asymmetric synthesis and metal-organic frameworks (MOFs).

Basic Information

Product Name	2,5-Dimethylthiophene
CAS No.	638-02-8
Molecular Formula	C6H8S
Molecular Weight	112.19 g/mol
Synonyms	2,5-Dimethylthiophene; 2,5-Dimethylthiofuran; 2,5-Dimethyl-1-thia-2,4-cyclopentadiene; Thiophene, 2,5-dimethyl-; 2,5-Dimethylthiophene, 98+%; NSC 6182
EINECS	211-340-8

Quality Control

Our 2,5-Dimethylthiophene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. Ensure containers are kept tightly sealed when not in use to prevent evaporation and potential contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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