Description

Cyclooctaselenium CAS NO 12597-33-0 is a unique molecular allotrope of selenium, consisting of an eight-membered ring of selenium atoms. This specialized form is valued for its distinct chemical reactivity and structural properties compared to other selenium forms like gray selenium or selenium powder. It serves as a critical precursor and reagent in advanced materials science and synthetic chemistry. Key industries that utilize this high-purity compound include semiconductor research, specialty catalyst development, and the synthesis of novel organoselenium compounds.

Application

• Advanced Material Synthesis: As a precursor for depositing selenium-containing thin films or nanoparticles with specific electronic properties.
• Organoselenium Chemistry: A key starting material for the synthesis of novel selenium-based ligands, catalysts, and pharmaceutical intermediates.
• Semiconductor Research: Used in the development and doping of compound semiconductors (e.g., ZnSe, CdSe) for optoelectronic devices.
• Catalyst Development: Employed in the preparation of specialized heterogeneous or homogeneous catalysts for selective organic transformations.
• Reference Standard: Serves as a high-purity analytical standard for selenium speciation studies and quality control in related industries.
• Chemical Vapor Deposition (CVD): A potential selenium source in CVD processes for creating specialized coatings or materials.

Basic Information

Product Name	Cyclooctaselenium
CAS No.	12597-33-0
Molecular Formula	Se₈
Molecular Weight	631.76 g/mol
Synonyms	Cyclooctaselenium; Selenium ring (Se8); Octaselenium; Cyclic octatomic selenium; Selenium (cyclic octamer); Selenium, cyclic octamer; Selenium, octatomic cyclic; 1,2,3,4,5,6,7,8-Octaselena-cyclooctane; EINECS 235-741-3
EINECS	235-741-3

Quality Control

Our Cyclooctaselenium is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and identification, to ensure it meets the high standards required for research and industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles. We are committed to consistent quality and supply reliability for our global partners.

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 material is light-sensitive and should be stored away from light. Keep container tightly sealed when not in use to minimize exposure to air.

Specification

Item	Specification
Appearance	Red crystalline solid
Identification (IR)	Conforms
Assay (Cyclooctaselenium)	≥ 98.0%
Total Selenium Content	≥ 99.0%
Related Selenium Allotropes	≤ 2.0%
Metallic Impurities (ICP-MS)	≤ 100 ppm total

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