Description

Selenium74 CAS NO 13981-33-4 is a stable, non-radioactive isotope of selenium, specifically the isotope with mass number 74. This high-purity material is essential for research and industrial applications requiring precise isotopic composition and minimal interference from other selenium isotopes. It is particularly valuable for advanced analytical techniques, tracer studies, and the development of specialized materials. Key industries that utilize this product include analytical chemistry, semiconductor research, and nuclear medicine.

Application

• Isotopic Tracer Studies: Used as a stable tracer in metabolic, environmental, and geochemical research to track selenium pathways.
• Analytical Standard Reference Material: Serves as a primary standard for calibration in mass spectrometry (ICP-MS) and other isotopic analysis methods.
• Semiconductor & Photovoltaic Research: Employed in the development and doping of advanced semiconductor compounds and thin-film solar cells.
• Nuclear Medicine Precursor: Acts as a target material or precursor for the production of medical radioisotopes.
• Nutritional & Biochemical Research: Used in studies investigating the specific role of the Se-74 isotope in selenoprotein synthesis and function.
• Materials Science: Incorporated into specialized alloys and glasses to modify physical properties for specific technical applications.

Basic Information

Product Name	Selenium74
CAS No.	13981-33-4
Molecular Formula	Se
Molecular Weight	73.922
Synonyms	Selenium-74; 74Se; Selenium, isotope of mass 74; Stable Selenium-74; Selenium 74 isotope; Se-74; Selenium (74Se)
EINECS	Contact for details

Quality Control

Our Selenium74 is produced and handled under strict quality management protocols. Each batch undergoes rigorous analysis to ensure high isotopic enrichment and chemical purity, meeting the exacting requirements of research and industrial applications. Certificates of Analysis (COA) are provided, detailing isotopic abundance, elemental purity, and trace metal content. We adhere to relevant industry standards for high-purity materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to minimize surface oxidation.

Specification

Item	Specification
Appearance	Gray to black solid
Isotopic Enrichment (74Se)	> 95.0% (Higher grades available)
Chemical Purity (Se)	> 99.9%
Identification (IR / XRD)	Conforms
Trace Metals (ICP-MS)	< 100 ppm total

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