Description

2,3-Dimethylthiophene CAS NO 632-16-6 is a high-purity, substituted thiophene derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its role as a versatile heterocyclic intermediate, enabling the development of complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, particularly for creating functionalized compounds and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds containing thiophene-based heterocycles.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and fungicides where the thiophene ring contributes to biological activity.
• Material Science & Organic Electronics: Serves as a monomer or building block for conductive polymers, organic semiconductors, and other functional materials.
• Flavor & Fragrance Industry: Acts as an intermediate for synthesizing specific sulfur-containing aroma compounds.
• Chemical Research & Development: A valuable reagent for organic chemists exploring new reactions, catalysis, and the construction of complex molecular architectures.
• Ligand Synthesis: Used to prepare specialized ligands for coordination chemistry and catalysis.

Basic Information

Item	Details
Product Name	2,3-Dimethylthiophene
CAS No.	632-16-6
Molecular Formula	C6H8S
Molecular Weight	112.19 g/mol
Synonyms	2,3-Dimethylthiophene; 2,3-Dimethylthiofuran; 2,3-Dimethyl-1-thia-2,4-cyclopentadiene; Thiophene, 2,3-dimethyl-; 2,3-Dimethylthiophene (stabilized); 2,3-DMT
EINECS	211-179-9

Quality Control

Our 2,3-Dimethylthiophene is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent evaporation and degradation.

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 ≤ 1.0%
Total Impurities	≤ 2.0%
Refractive Index (n20D)	1.520 - 1.530
Density (g/mL, 20°C)	0.980 - 1.020

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