Description

Trimethylene Selenide is a specialized organoselenium compound with the CAS registry number 287-28-5. This heterocyclic chemical serves as a valuable building block and precursor in advanced material science and pharmaceutical research. It is particularly sought after by R&D and production teams in the fine chemical and electronics sectors. Its unique structure enables its use in synthesizing novel selenium-containing molecules and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel selenium-based drug candidates and bioactive molecules.
• Material Science Research: Building block for developing organic semiconductors, photoconductors, and other advanced electronic materials.
• Chemical Synthesis: Versatile reagent for introducing the selenophene or selenide moiety into complex organic frameworks.
• Catalysis Development: Used in research for creating novel organoselenium catalysts for organic transformations.
• Ligand Synthesis: Precursor for synthesizing specialized ligands used in coordination chemistry and metal-organic frameworks (MOFs).
• Academic & Industrial R&D: Fundamental research compound in universities and corporate labs exploring selenium chemistry.

Basic Information

Product Name	Trimethylene Selenide
CAS No.	287-28-5
Molecular Formula	C3H6Se
Molecular Weight	137.04 g/mol
Synonyms	1,3-Diselenane; Selenacyclohexane; Trimethylene diselenide; 1,3-Diselenacyclohexane; Tetrahydro-1,3-diselenine; 1,3-Diselenacyclohexane, tetrahydro-; Cyclic trimethylene diselenide
EINECS	Contact for details

Quality Control

Our Trimethylene Selenide is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging, or stored in darkness.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Report and comply with COA
Refractive Index	Reported on COA
Density	Reported on COA

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