Description

2-((Trimethylsilyl)Ethynyl)Thiophene is a high-purity organosilicon building block featuring a thiophene ring and a protected acetylene moiety. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in the construction of complex conjugated systems and functional materials. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics industries seeking to develop novel compounds with tailored electronic and structural properties.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring conjugated thiophene scaffolds.
• Material Science Research: Used in the development of organic semiconductors, conductive polymers, and non-linear optical (NLO) materials for electronic devices.
• Agrochemical Synthesis: Acts as a building block for creating novel crop protection agents and herbicides with specific activity profiles.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organometallic chemistry.
• Chemical Synthesis: Utilized in Sonogashira and other cross-coupling reactions to introduce acetylene-functionalized thiophene units into larger molecular architectures.

Basic Information

Product Name	2-((Trimethylsilyl)Ethynyl)Thiophene
CAS No.	40231-03-6
Molecular Formula	C9H14SSi
Molecular Weight	182.36 g/mol
Synonyms	2-[(Trimethylsilyl)ethynyl]thiophene; Thiophene, 2-[(trimethylsilyl)ethynyl]-; 2-(Trimethylsilylethynyl)thiophene; 2-Ethynylthiophene, trimethylsilyl derivative; TMS-Ethynylthiophene; 2-TMS-Ethynylthiophene
EINECS	Contact for details

Quality Control

Our 2-((Trimethylsilyl)Ethynyl)Thiophene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and production requirements.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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