Description

[1]Benzoselenopheno[2,3-B]Thiophene CAS NO 35752-82-0 is a high-purity fused heterocyclic compound containing both selenium and sulfur atoms within its polycyclic aromatic structure. This unique molecular architecture makes it a valuable advanced organic intermediate and a key building block for sophisticated materials research. It is primarily sought after by R&D chemists and material scientists working on the cutting edge of organic electronics and functional materials.

Application

• Organic Semiconductor Precursor: Serves as a core structure for developing novel p-type or n-type organic semiconductors for OFETs (Organic Field-Effect Transistors) and OLEDs (Organic Light-Emitting Diodes).
• Photovoltaic Material Research: Used in the synthesis of donor or acceptor materials for organic solar cells (OPVs), leveraging its electron-rich selenophene-thiophene fused system.
• Ligand Synthesis in Coordination Chemistry: Acts as a starting material for creating complex chelating ligands, particularly for transition metal catalysts used in cross-coupling reactions.
• Nonlinear Optical (NLO) Materials: Investigated as a component in chromophores for second- and third-order nonlinear optical applications due to its extended π-conjugation.
• Chemical Sensor Development: Employed in constructing recognition units for fluorescent or electrochemical sensors targeting specific metal ions or gases.
• Pharmaceutical Intermediate: Potential use in medicinal chemistry for the synthesis of novel bioactive molecules containing benzochalcogenophene motifs.

Basic Information

Product Name	[1]Benzoselenopheno[2,3-B]Thiophene
CAS No.	35752-82-0
Molecular Formula	C10H6SSe
Molecular Weight	237.18 g/mol
Synonyms	Benzo[1,2-d:4,5-d']bis[1,2]selenathiole; Thieno[2',3':4,5]benzo[1,2-d]selenazole; Benzoselenophenothiophene; 1-Benzoselenopheno[2,3-b]thiophene; BSeT; BSeTh; Selenopheno[2,3-b]benzothiophene; Contact for additional aliases.
EINECS	Contact for details

Quality Control

Our production of [1]Benzoselenopheno[2,3-B]Thiophene adheres to stringent in-process controls to ensure batch-to-batch consistency and high chemical purity. The material is characterized using advanced analytical techniques including HPLC, GC-MS, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). The compound should be handled under an inert atmosphere for long-term storage to prevent potential oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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