Description

Rhodium(III) Sulfate is a high-purity inorganic salt of the precious metal rhodium, identified by CAS NO 10489-46-0. It serves as a critical precursor for synthesizing advanced catalysts and specialty materials where precise rhodium content is paramount. This compound is essential for R&D and manufacturing in sectors such as fine chemical synthesis, electroplating, and the production of high-performance ceramics.

Application

• Catalyst Precursor: A key starting material for preparing homogeneous and heterogeneous rhodium-based catalysts used in hydrogenation, hydroformylation, and carbonylation reactions.
• Electroplating & Surface Finishing: Used in specialized electroplating baths to deposit thin, corrosion-resistant rhodium coatings on electrical contacts, jewelry, and optical components.
• Chemical Synthesis: Employed as a reagent in the synthesis of other rhodium complexes and organometallic compounds for academic and industrial research.
• Ceramic & Glass Manufacturing: Acts as a doping agent to impart specific electrical properties or color effects in advanced ceramics and specialty glass.
• Analytical Standards: Serves as a primary standard for calibrating analytical instruments in assays to determine rhodium content in various matrices.

Basic Information

Product Name	Rhodium(III) Sulfate
CAS No.	10489-46-0
Molecular Formula	Rh2(SO4)3 • xH2O
Molecular Weight	Anhydrous: 494.00 g/mol (approx.)
Synonyms	Dirhodium trisulfate; Rhodium trisulfate; Sulfuric acid, rhodium(3+) salt (3:2); Rhodium sulfate; Rhodium sesquisulfate; Rhodium(3+) sulfate; Rhodium(III) sulphate
EINECS	234-018-6

Quality Control

Our Rhodium(III) Sulfate is manufactured under stringent quality management protocols. Each batch is subjected to comprehensive analytical testing, including assay for rhodium content and analysis of key metallic impurities, to ensure consistency and reliability for industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

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); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms
Assay (Rh content)	≥ 40.0% (as Rh2(SO4)3)
Purity (by ICP-OES)	≥ 99.9% (metals basis)
Insoluble Matter	≤ 0.1%
Chloride (Cl)	≤ 100 ppm
Nitrate (NO3)	≤ 50 ppm
Iron (Fe)	≤ 20 ppm
Other Heavy Metals (as Pb)	≤ 50 ppm

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