Description

Rhodium (III) Chloride Trihydrate is a high-purity inorganic salt of the precious metal rhodium, serving as a critical precursor in advanced catalytic and materials synthesis. Its primary value lies in providing a soluble and reactive source of rhodium ions for the preparation of homogeneous catalysts and specialized coatings. This compound is essential for R&D laboratories and industrial manufacturers in the chemical, electronics, and automotive sectors who require a reliable and consistent source of high-purity rhodium.

Application

• Homogeneous Catalyst Synthesis: A key starting material for preparing Wilkinson's catalyst and other organorhodium complexes used in hydrogenation, hydroformylation, and carbonylation reactions.
• Electroplating & Surface Finishing: Used in electroplating baths to deposit thin, corrosion-resistant rhodium coatings on electrical contacts, jewelry, and optical components.
• Chemical Vapor Deposition (CVD): Acts as a precursor for depositing rhodium metal or rhodium oxide thin films in semiconductor and MEMS device fabrication.
• Research & Development: Employed in academic and industrial labs for developing new catalytic systems, sensor materials, and electrochemical applications.
• Glass & Ceramic Industry: Used as a coloring agent and to impart specific optical properties to specialty glasses and ceramics.
• Analytical Chemistry: Serves as a standard or reagent in spectroscopic analysis and other analytical techniques for rhodium quantification.

Basic Information

Product Name	Rhodium (III) Chloride Trihydrate
CAS No.	13569-65-8
Molecular Formula	RhCl3·3H2O
Molecular Weight	263.31 g/mol (Anhydrous basis: 209.26 g/mol)
Synonyms	Rhodium Trichloride Trihydrate; Rhodium Chloride Trihydrate; Rhodium(III) Chloride Hydrate; Rhodium Chloride Hydrate; Rhodium Chloride (RhCl3) Trihydrate; Rhodium(3+) Chloride Trihydrate; Trichlororhodium Trihydrate
EINECS	Contact for details

Quality Control

Our Rhodium (III) Chloride Trihydrate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and consistency, meeting the stringent requirements of catalyst synthesis and advanced material production. Certificates of Analysis (COA) detailing assay, impurity profiles, and physical characteristics are provided with every shipment.

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 nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Red-brown to dark red crystalline powder
Identification (IR)	Conforms
Assay (Rhodium content)	≥ 48.0 % (as Rh)
Purity (RhCl3·3H2O)	≥ 99.0 %
Solubility (in Water)	Clear, red solution
Insoluble Matter	≤ 0.1 %
Chloride (Cl) Content	Contact for details
Trace Metal Impurities (ICP-OES)	Contact for details

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