Description

Rhodium(III) Oxide Pentahydrate is a high-purity inorganic compound of significant industrial importance. This material serves as a critical precursor in advanced material synthesis and catalytic applications, where its consistent quality and purity are paramount. It is essential for research and manufacturing in sectors such as electronics, specialty chemicals, and heterogeneous catalysis.

Application

• Catalyst Precursor: A key starting material for synthesizing rhodium-based catalysts used in hydrogenation, hydroformylation, and automotive catalytic converters.
• Electronics Manufacturing: Used in the production of conductive pastes, thick-film resistors, and other electronic components.
• Electroplating: Source of rhodium for electroplating applications to provide durable, corrosion-resistant, and reflective coatings.
• Chemical Synthesis: Acts as an oxidizing agent or intermediate in the synthesis of other rhodium complexes and specialty inorganic compounds.
• Glass & Ceramics: Employed as a coloring agent or dopant to produce specific optical properties in specialty glasses and ceramics.
• Research & Development: Essential reagent in academic and industrial R&D for exploring new catalytic processes and material properties.

Basic Information

Item	Detail
Product Name	Rhodium(III) Oxide Pentahydrate
CAS No.	39373-27-8
Molecular Formula	Rh2O3 · 5H2O
Molecular Weight	307.90 g/mol (Anhydrous basis: 253.81 g/mol)
Synonyms	Dirhodium Trioxide Pentahydrate; Rhodium Sesquioxide Pentahydrate; Rhodium Oxide Hydrate; Rhodium(3+) Oxide Pentahydrate; Rhodium Trioxide Pentahydrate; Rhodium Oxide (Rh2O3) Pentahydrate
EINECS	Contact for details

Quality Control

Our Rhodium(III) Oxide Pentahydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 should be kept under conditions that minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms
Assay (as Rh2O3)	≥ 99.9%
Loss on Drying	27.0 - 30.0 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 50 ppm
Sulfate (SO4)	≤ 100 ppm
Trace Metals (ICP-MS)	Contact for details

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