Description

Thiophene, 2,4-Diethynyl- (9Ci) is a specialized organic building block featuring a thiophene core functionalized with two ethynyl groups. This compound matters as a key intermediate for advanced materials science, offering a rigid, conjugated structure ideal for constructing complex molecular architectures. It is primarily needed by researchers and manufacturers in the fields of organic electronics, pharmaceuticals, and polymer chemistry for developing novel functional materials.

Application

• Organic Semiconductor Synthesis: Serves as a crucial monomer or precursor for constructing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Pharmaceutical Intermediates: Used in the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring a rigid, heterocyclic core.
• Advanced Material Research: Acts as a building block for metal-organic frameworks (MOFs), covalent organic frameworks (COFs), and other porous materials with tailored electronic properties.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for catalysis, leveraging the ethynyl groups for further functionalization via click chemistry or Sonogashira coupling.
• Polymer Modification: Used to introduce thiophene and acetylene functionalities into polymer backbones to enhance conductivity, thermal stability, or optical properties.
• Chemical Sensing: Incorporated into the design of fluorescent probes and chemosensors due to its photophysical characteristics.

Basic Information

Product Name	Thiophene, 2,4-Diethynyl- (9Ci)
CAS No.	153143-05-6
Molecular Formula	C8H4S
Molecular Weight	132.18 g/mol
Synonyms	2,4-Diethynylthiophene; 2,4-Bis(ethynyl)thiophene; 2,4-Thiophenediylbis(ethyne); 2,4-Diethynyl-thiophene; 2,4-Diethynyl-thiophene (9CI); 2,4-Diethynylthiophene (9CI); 2,4-Diethynyl-thiophene, 9CI; 2,4-Diethynylthiophene, 9CI
EINECS	Contact for details

Quality Control

Our Thiophene, 2,4-Diethynyl- (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as purity (by HPLC or GC), identity confirmation (by IR and NMR), and impurity profiles is available upon request to support your research and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Light yellow to yellow solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥95% (Typical grades: 95%, 97%, 99%)
Melting Point	Contact for details

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