Description

Thioacetic Acid S-[4-[4-(Phenylethynyl)Phenyl]Ethynyl]Benzene-Thiol Ester is a specialized organic sulfur compound featuring a conjugated diyne and thioester functional group. This unique molecular architecture makes it a valuable advanced intermediate for constructing complex organic frameworks, particularly in materials science and pharmaceutical research. It is primarily sought by R&D chemists and process engineers in the organic electronics, agrochemical, and pharmaceutical sectors for synthesizing novel functional materials and active ingredients.

Application

• Organic Semiconductor Precursor: A key building block for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and photovoltaic cells.
• Pharmaceutical Intermediate: Used in the research and development of new drug candidates, leveraging its rigid, linear structure and reactive thioester group.
• Liquid Crystal & Advanced Material Synthesis: Serves as a monomer or cross-linking agent for creating high-performance polymers with specific optical or electronic properties.
• Agrochemical Research: Employed in the synthesis of novel active ingredients with potential herbicidal or insecticidal activity.
• Cross-coupling Reactions: Acts as a substrate in Sonogashira, Heck, or other palladium-catalyzed coupling reactions to create extended π-conjugated systems.
• Ligand & Catalyst Development: Useful for constructing complex chelating ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	Thioacetic Acid S-[4-[4-(Phenylethynyl)Phenyl]Ethynyl]Benzene-Thiol Ester
CAS No.	356590-07-3
Molecular Formula	C24H14OS
Molecular Weight	350.43 g/mol
Synonyms	S-[4-[4-(Phenylethynyl)phenyl]ethynyl]benzenethiol acetate; 4,4'-(Diethynyl)diphenyl sulfide S-acetate; 1,1'-(Thiobis(4,1-phenylene))bis(ethyne-2,1-diyl)dibenzene S-acetate; Bis(4-ethynylphenyl) sulfide acetate; Thioacetic acid S-(4-((4-(phenylethynyl)phenyl)ethynyl)phenyl) ester; [4-[4-(Phenylethynyl)phenyl]ethynyl]phenyl thioacetate
EINECS	Contact for details

Quality Control

Our high-purity specialty chemicals are manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical characterization using techniques such as HPLC, GC, NMR, and mass spectrometry to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment. We support cGMP and ISO 9001 compliant production for critical applications upon request.

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 compound is light-sensitive (store away from light). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen to prevent potential degradation.

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
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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