Description

Thiophene, 3,4-Diethynyl- (9Ci) is a specialized heterocyclic building block featuring a thiophene core functionalized with two ethynyl groups. This compound matters for its role as a key precursor in the synthesis of advanced organic electronic materials and complex molecular architectures. It is primarily needed by researchers and manufacturers in the fields of organic semiconductors, conductive polymers, and pharmaceutical intermediates.

Application

• Organic Semiconductor Synthesis: A crucial monomer for constructing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Pharmaceutical Intermediates: Serves as a versatile building block in medicinal chemistry for the development of novel drug candidates.
• Material Science Research: Used in the development of advanced materials with tailored electronic and optical properties.
• Ligand and Catalyst Development: Employed in the synthesis of complex ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Acts as a cross-linking agent or functional monomer in the production of specialty polymers.

Basic Information

Product Name	Thiophene, 3,4-Diethynyl- (9Ci)
CAS No.	138354-60-6
Molecular Formula	C8H4S
Molecular Weight	132.18 g/mol
Synonyms	3,4-Diethynylthiophene; 3,4-Bis(ethynyl)thiophene; Thiophene-3,4-diyldiethyne; 3,4-Thiophenediyldiacetylene; 3,4-Diethynyl-thiophene; 138354-60-6 (CAS); 3,4-Diethynyl-thiophene (9CI)
EINECS	Contact for details

Quality Control

Our Thiophene, 3,4-Diethynyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR analysis, to ensure high purity and consistency. Certificates of Analysis (COA) with detailed specifications are available upon request to support your R&D and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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