Description

Didymium Nitrate is an inorganic salt composed of a mixture of rare earth elements, primarily neodymium and praseodymium. This compound is valued for its unique optical and catalytic properties, making it a critical material in advanced technological applications. It is essential for manufacturers and researchers in the fields of specialty glass, optical filters, and catalysis who require consistent, high-purity rare earth materials.

Application

• Specialty Glass Manufacturing: A key component for producing didymium glass, which is used in welder's goggles and glassblowing filters to absorb specific sodium flare wavelengths.
• Optical Filters & Lenses: Used in the production of precision optical filters for scientific instruments, photography, and laser safety equipment.
• Catalysis & Chemical Synthesis: Serves as a catalyst or catalyst precursor in various organic synthesis and petroleum refining processes.
• Phosphors & Luminescent Materials: Acts as a starting material or dopant in the synthesis of phosphors for lighting and display technologies.
• Ceramic & Pigment Formulation: Imparts specific colors and properties to advanced ceramics and specialty inorganic pigments.
• Research & Development: Used in academic and industrial R&D for studying rare earth chemistry, material science, and new catalytic systems.

Basic Information

Product Name	Didymium Nitrate
CAS No.	134191-62-1
Molecular Formula	Typically represented as (Nd,Pr)(NO3)3·xH2O
Molecular Weight	Varies with exact composition and hydration. Contact for details.
Synonyms	Nitric acid, didymium salt; Didymium trinitrate; Rare earth nitrate (Nd/Pr); Neodymium praseodymium nitrate; Praseodymium neodymium nitrate; (Nd,Pr)(NO3)3; Didymium(III) nitrate
EINECS	Contact for details.

Quality Control

Our Didymium Nitrate is produced under stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure high purity and consistency, with specifications tailored to meet the demands of optical and catalytic applications. A Certificate of Analysis (COA) detailing purity, rare earth composition, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	Pink to violet crystalline solid or powder
Identification (IR)	Conforms
Assay (as REO)	≥ 99.0%
Nd2O3 / Pr6O11 Ratio	Typical ~75/25 (Custom ratios available)
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 0.001%
Insoluble Matter	≤ 0.05%

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