Description

Promethium is a rare and valuable radioactive lanthanide element with significant applications in specialized industrial and research fields. Its unique radioactive properties make it a critical component for creating self-powered light sources and as a beta particle emitter for precise thickness measurement and quality control systems. This material is essential for manufacturers and research institutions in the nuclear technology, aerospace, defense, and specialized instrumentation sectors seeking reliable, high-purity radioactive sources.

Application

• Radioisotope Thermoelectric Generators (RTGs): Used as a heat source in long-lasting, self-contained power systems for spacecraft, remote weather stations, and navigational buoys.
• Luminous Compounds: Key component in promethium-based phosphors for self-powered, long-life luminous paints and markers used in watch dials, aircraft instrumentation, and emergency exit signs.
• Beta Radiation Sources: Employed in industrial gauges for non-contact measurement of material thickness, density, and coating levels in paper, plastic, and metal production.
• Nuclear Batteries: Serves as a compact power source for medical devices like cardiac pacemakers and for military and space applications requiring decades of maintenance-free operation.
• Research & Calibration: Utilized as a calibrated beta radiation source in nuclear physics research, environmental monitoring equipment, and for calibrating radiation detection instruments.
• Neutron Sources: When combined with light elements like beryllium, it can act as a portable neutron source for well logging in the oil industry and for material analysis.

Basic Information

Product Name	Promethium
CAS No.	7440-12-2
Molecular Formula	Pm
Molecular Weight	145.00 g/mol (for most stable isotope Pm-145)
Synonyms	Promethium-147; Pm-147; Element 61; Rare Earth Metal Promethium; Radioactive Promethium; Atomic number 61; Lanthanide Series Element
EINECS	231-121-9

Quality Control

Our Promethium products are manufactured and handled under strict radiological safety and quality protocols. Each batch is subjected to rigorous analytical testing, including gamma spectroscopy and radiochemical purity assays, to ensure compliance with stringent specifications for isotopic composition and radioactive concentration. Certificates of Analysis (COA) detailing specific activity, radionuclidic purity, and chemical form are provided with every shipment to guarantee traceability and performance for your critical applications.

Storage

Preserve in a tightly closed, specially shielded container, protected from light and physical damage. Store in a designated, secure, and well-ventilated area reserved for radioactive materials, in compliance with all local and international regulations for the handling and storage of radioisotopes. Maintain at controlled room temperature (15-25°C). Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance (Form)	Metal, Oxide, or Chloride (as specified)
Principal Isotope	Promethium-147 (Pm-147)
Specific Activity	Contact for details (Ci/g or GBq/g)
Radiochemical Purity	≥ 99% (by Gamma Spectroscopy)
Radionuclidic Purity	≥ 99.9% (Pm-147)
Chemical Purity (Metals Basis)	≥ 99.9% (by ICP-MS)

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