Description

Diammonium Holmium Pentanitrate is a high-purity inorganic salt of the rare earth element holmium. This compound is valued for its role as a specialized precursor in advanced material synthesis and research applications. It is primarily utilized by manufacturers and research institutions in the fields of specialty glass, phosphors, and catalysis, where precise control over holmium content is critical.

Application

• Specialty Glass & Ceramics: As a dopant to impart specific optical properties, such as color filters and laser glass components.
• Phosphor Manufacturing: Serves as a starting material for synthesizing holmium-activated phosphors used in display and lighting technologies.
• Catalysis Research: Used as a catalyst precursor in specialized organic synthesis and petrochemical research processes.
• Chemical Vapor Deposition (CVD): Acts as a source material for depositing holmium-containing thin films in semiconductor and optical coating applications.
• Analytical Reagents: Employed in the preparation of standard solutions for spectroscopic analysis and calibration.
• Academic & Industrial R&D: A key reagent for investigating the properties of holmium compounds and developing new materials.

Basic Information

Product Name	Diammonium Holmium Pentanitrate
CAS No.	93918-74-2
Molecular Formula	H8HoN7O15 or (NH4)2Ho(NO3)5
Molecular Weight	Contact for details
Synonyms	Ammonium Holmium Nitrate; Holmium Diammonium Pentanitrate; Diammonium Holmium(3+) Pentanitrate; Holmium Ammonium Nitrate; (NH4)2Ho(NO3)5; Rare Earth Ammonium Nitrate; Holmium Nitrate Ammonium Salt
EINECS	Contact for details

Quality Control

Our Diammonium Holmium Pentanitrate is manufactured under controlled conditions to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a suite of analytical techniques including titration, spectrophotometry, and trace metal analysis. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (Ho2O3 basis)	≥ 99.9%
Purity (Rare Earths)	≥ 99.99%
Chloride (Cl)	≤ 50 ppm
Sulfate (SO4)	≤ 50 ppm
Heavy Metals (as Pb)	≤ 20 ppm
Other Rare Earth Impurities	≤ 100 ppm (total)

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