Description

Tellurium-131 is a stable isotope of tellurium, identified by CAS NO 14683-12-6, valued for its unique nuclear properties and role as a precursor in radiopharmaceutical synthesis. This high-purity material is essential for applications requiring precise isotopic composition and minimal neutron absorption cross-section. It is primarily utilized in advanced research, nuclear medicine, and specialized industrial processes where isotopic purity is critical.

Application

• Radiopharmaceutical Precursor: Used in the synthesis of iodine-131 and other radioisotopes for medical diagnostics and targeted cancer therapy.
• Nuclear Research & Spectroscopy: Serves as a target material or a stable isotope standard in neutron activation analysis and nuclear physics experiments.
• Semiconductor Dopant: Employed in the production of specialized semiconductors and thermoelectric materials where specific isotopic composition affects thermal and electrical properties.
• Industrial Tracer Studies: Utilized in traceable material studies and wear analysis due to its stable isotopic signature.
• Reference Standard: Acts as a certified reference material (CRM) for calibrating analytical instruments like mass spectrometers.

Basic Information

Product Name	Tellurium-131
CAS No.	14683-12-6
Molecular Formula	¹³¹Te
Molecular Weight	130.9085 g/mol
Synonyms	Tellurium-131 isotope; ¹³¹Te; Te-131; Tellurium, isotope of mass 131; Tellurium 131; Tellurium, isotopic mass 131; Stable Tellurium-131
EINECS	Contact for details

Quality Control

Our Tellurium-131 is produced and tested to meet exacting standards for isotopic and chemical purity. Each batch undergoes rigorous analysis, including mass spectrometry for isotopic enrichment and ICP-MS for trace metallic impurities, ensuring compliance with research and pharmaceutical-grade requirements. A comprehensive Certificate of Analysis (COA) detailing isotopic purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, long-term storage under an inert atmosphere (e.g., argon or nitrogen) in a sealed vial or ampoule is recommended to maintain product integrity.

Specification

Item	Specification
Appearance	Metallic solid or gray powder
Isotopic Purity (¹³¹Te)	≥ 99.0% (atom)
Assay (Tellurium metal basis)	≥ 99.9%
Identification (Mass Spec)	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.