Description

2-[4,5-Dihydro-4,4-Dimethyl-3-Oxoselenophen-2(3H)-Ylidene]-4,5-Dihydro-4,4-Dimethylselenophen-3(2H)-One is a specialized organoselenium compound, a diselenophene derivative, valued for its unique electronic and photophysical properties. This chemical is a critical advanced intermediate in the synthesis of novel materials, particularly for applications in organic electronics and photonics. It is primarily sought by R&D chemists and material scientists in the fields of organic semiconductors, non-linear optics, and as a precursor for complex ligand systems.

Application

• Organic Semiconductor Research: Serves as a key building block for the synthesis of novel π-conjugated polymers and small molecules for OLEDs, OFETs, and organic photovoltaics.
• Non-Linear Optical (NLO) Materials: Used in the development of materials with enhanced second- or third-order optical non-linearity for photonic devices.
• Coordination Chemistry & Catalysis: Acts as a precursor for the synthesis of selenium-containing ligands for transition metal complexes, potentially useful in catalytic applications.
• Chemical Synthesis Intermediate: Employed in advanced organic synthesis to construct complex heterocyclic systems containing selenium.
• Photoresist & Imaging Materials: Investigated for use in high-resolution photoresists due to the specific properties of selenium.

Basic Information

Product Name	2-[4,5-Dihydro-4,4-Dimethyl-3-Oxoselenophen-2(3H)-Ylidene]-4,5-Dihydro-4,4-Dimethylselenophen-3(2H)-One
CAS No.	56009-21-3
Molecular Formula	C14H18O2Se2
Molecular Weight	392.21 g/mol
Synonyms	4,4,4',4'-Tetramethyl-2,2'-bi(4,5-dihydro-3H-selenophene-3-one); 2,2'-Bi(4,5-dihydro-4,4-dimethyl-3-selenophenone); 3H-Selenophen-3-one, 2,2'-(1Z)-1,1'-(1E)-1,2-ethenediylbis[4,5-dihydro-4,4-dimethyl-; Diselenophene derivative; Tetramethyl-diselenophene-dione; CAS 56009-21-3
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity for research applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and quality assurance requirements.

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) and may be moisture-sensitive. For long-term storage, consider an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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