Description

2,4-Dimethylthiophene CAS NO 638-00-6 is a versatile sulfur-containing heterocyclic compound, a key building block in organic synthesis. Its value lies in its role as a fundamental precursor for pharmaceuticals, agrochemicals, and advanced materials. This product is essential for R&D chemists and manufacturers in the pharmaceutical, fragrance, and specialty chemical industries seeking to develop new active ingredients or functional molecules.

Application

• Pharmaceutical Intermediates: Serves as a crucial synthon in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides due to its bioactive thiophene core.
• Fragrance & Flavor Industry: Acts as a key ingredient or intermediate for creating sulfurous, roasted, or meaty notes in complex aroma compositions.
• Material Science: Employed as a monomer or building block for conductive polymers, organic semiconductors, and liquid crystals.
• Organic Synthesis & Catalysis: Functions as a ligand in metal-catalyzed reactions or as a starting material for more complex heterocyclic systems.
• Research & Development: A valuable reference standard and reagent in academic and industrial R&D laboratories for method development and discovery chemistry.

Basic Information

Product Name	2,4-Dimethylthiophene
CAS No.	638-00-6
Molecular Formula	C6H8S
Molecular Weight	112.19 g/mol
Synonyms	2,4-Dimethylthiophene; 2,4-Dimethylthiofuran; 2,4-Dimethyl-1-thia-2,4-cyclopentadiene; Thiophene, 2,4-dimethyl-; 2,4-DMT; NSC 404058; 1,3-Dimethylthiophene (common name)
EINECS	211-327-5

Quality Control

Our 2,4-Dimethylthiophene is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your internal specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature: 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (GC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%

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