Description

Thorium-231 is a radioactive isotope of thorium, identified by CAS NO 14932-40-2. It serves as a critical precursor in the production of other actinide isotopes and is essential for fundamental nuclear research and development. This material is primarily utilized by research institutions, nuclear fuel cycle facilities, and specialized laboratories engaged in radiochemistry and nuclear physics.

Application

• Nuclear Research & Development: Used as a target material for producing other isotopes and in studies of nuclear structure and decay chains.
• Radiochemical Tracer: Employed in specialized tracer studies to understand chemical and environmental processes involving actinides.
• Educational & Reference Standards: Serves as a calibrated reference source in academic and research settings for radiation detection and measurement training.
• Nuclear Fuel Cycle Studies: Applied in research related to thorium fuel cycles, including separation chemistry and waste form characterization.

Basic Information

Product Name	Thorium-231
CAS No.	14932-40-2
Molecular Formula	²³¹Th
Molecular Weight	231.04 g/mol
Synonyms	Thorium-231; Thorium 231; ²³¹Th; Thorium, isotope of mass 231; Actinium-227 precursor; Radioactive thorium isotope
EINECS	Contact for details

Quality Control

Our Thorium-231 is produced and handled under strict quality protocols in compliance with relevant nuclear material regulations. Each batch is characterized for isotopic purity and radionuclidic identity using high-resolution gamma spectrometry and other radiometric techniques. A comprehensive Certificate of Analysis (COA) detailing specific activity, radionuclidic purity, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a designated, secure, and appropriately shielded area for radioactive materials at controlled room temperature (15-25°C). Strictly adhere to all local, national, and international regulations for the storage and handling of radioactive substances.

Specification

Item	Specification
Appearance	To be specified on COA
Identification (Gamma Spectrometry)	Conforms to ²³¹Th
Radionuclidic Purity	≥ 99% (by gamma activity)
Specific Activity	Contact for details
Carrier Concentration	Contact for details

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