Description

3,3'-(1,2-Ethynediyl)Bis-Benzo[B]Thiophene is a high-purity organic compound featuring a conjugated ethynediyl-bridged bis-benzothiophene core structure. This compound serves as a critical advanced intermediate for the synthesis of novel organic electronic materials and functional dyes. It is primarily utilized by R&D chemists and material scientists in the fields of organic semiconductors, photovoltaics, and optoelectronics.

Application

• Organic Semiconductor Precursor: A key building block for the synthesis of p-type and n-type organic semiconductors used in OFETs (Organic Field-Effect Transistors).
• OLED Material Intermediate: Used in the development of host, hole-transport, or emissive layer materials for Organic Light-Emitting Diodes (OLEDs) due to its rigid, planar conjugated system.
• Organic Photovoltaic (OPV) Research: Serves as a core unit in the design of donor or acceptor materials for next-generation solar cells.
• Nonlinear Optical (NLO) Materials: Investigated for applications in photonics and electro-optics owing to its extended π-conjugation and potential for high hyperpolarizability.
• Chemical Sensor Development: Employed in creating fluorescent chemosensors and probes for metal ion or analyte detection.
• Academic & Industrial R&D: A valuable reagent for fundamental research in conjugated organic chemistry and material science.

Basic Information

Product Name	3,3'-(1,2-Ethynediyl)Bis-Benzo[B]Thiophene
CAS No.	1902159-03-8
Molecular Formula	C18H10S2
Molecular Weight	290.40 g/mol
Synonyms	3,3'-(Ethyne-1,2-diyl)bis(benzo[b]thiophene); Bis(benzo[b]thiophen-3-yl)acetylene; 3,3'-Diethynyl-2,2'-bithiophene derivative; 3,3'-(1,2-Ethynediyl)bis-1-benzothiophene; DBTA; Ethynylene-bridged dithienobenzene; Acetylene-linked dibenzothiophene
EINECS	Contact for details

Quality Control

Our 3,3'-(1,2-Ethynediyl)Bis-Benzo[B]Thiophene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. All batches are characterized by advanced analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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). The compound is light-sensitive and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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