Description

Neptunium is a synthetic, radioactive actinide metal with significant importance in nuclear science and technology. Its primary value lies in its role as a precursor in the synthesis of plutonium-238, a critical power source for deep-space missions and specialized scientific equipment. This material is essential for research institutions, national laboratories, and advanced nuclear fuel cycle facilities engaged in transuranic element studies, neutron source production, and specialized radiochemical applications.

Application

• Nuclear Fuel Cycle Research: Used in studies of actinide separation processes and the behavior of transuranic elements in advanced fuel cycles.
• Radioisotope Thermoelectric Generator (RTG) Production: Serves as a target material for the production of Plutonium-238, a vital heat source for spacecraft and remote terrestrial power systems.
• Neutron Detection and Activation Analysis: Employed in the calibration of neutron detectors and as a component in neutron sources for non-destructive testing and analytical chemistry.
• Fundamental Scientific Research: Critical for academic and governmental research into the chemical and physical properties of heavy elements, supporting nuclear physics and chemistry.
• National Security and Safeguards: Utilized in the development and testing of methods for the detection, identification, and accounting of special nuclear materials.

Basic Information

Product Name	Neptunium
CAS No.	7439-99-8
Molecular Formula	Np
Molecular Weight	237.05 g/mol
Synonyms	Neptunium-237; Neptunium metal; Element 93; Neptunium-237 metal; Np-237; Neptunium (element); Neptunium, radioactive
EINECS	231-108-8

Quality Control

All materials are produced and handled under strict quality assurance protocols in compliance with nuclear material control standards. Each batch is characterized for isotopic purity, chemical purity, and radionuclidic composition using advanced analytical techniques including alpha spectroscopy, gamma spectroscopy, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing specific activity, isotopic distribution, and impurity profiles is provided with every shipment to ensure traceability and meet rigorous research and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its pyrophoric nature and tendency to oxidize easily, material must be stored under an inert atmosphere (argon or nitrogen) in a designated, secure facility for radioactive materials. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area away from incompatible materials. All handling and storage must comply with national and international regulations for radioactive substances.

Specification

Item	Specification
Appearance	Silvery metallic solid
Isotopic Purity (Np-237)	> 99.5%
Total Metallic Impurities	< 0.5%
Specific Activity	~2.6 x 104 Bq/g
Identification (Gamma Spectroscopy)	Conforms
Form	Turnings, foil, or as specified

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