Description

Diammonium Pentachlororhodate is a high-purity inorganic rhodium complex salt, primarily utilized as a critical precursor in advanced materials synthesis and catalysis. Its value lies in providing a controlled, soluble source of rhodium for applications demanding precise stoichiometry and high metal purity. This compound is essential for research institutions and industrial manufacturers in the fields of specialty chemicals, electroplating, and the development of novel catalytic systems.

Application

• Catalyst Precursor: A key starting material for synthesizing homogeneous and heterogeneous rhodium-based catalysts used in hydrogenation, hydroformylation, and carbonylation reactions.
• Electroplating & Surface Coating: Used in specialized electroplating baths to deposit thin, uniform, and highly conductive rhodium coatings for electronic components and jewelry.
• Materials Science Research: Serves as a fundamental reagent for developing new inorganic compounds, metal-organic frameworks (MOFs), and nanomaterials containing rhodium.
• Chemical Vapor Deposition (CVD): Acts as a potential volatile source for the CVD production of rhodium metal films and coatings on various substrates.
• Analytical Chemistry: Employed as a standard or reference material in spectroscopic analysis and other analytical techniques for rhodium quantification.
• Pharmaceutical Intermediates: Used in the synthesis of complex organometallic compounds with potential pharmaceutical or diagnostic applications.

Basic Information

Product Name	Diammonium Pentachlororhodate
CAS No.	65980-78-1
Molecular Formula	H8Cl5N2Rh or (NH4)2[RhCl5]
Molecular Weight	348.20 g/mol (approx.)
Synonyms	Ammonium pentachlororhodate(III); Diammonium pentachlororhodate(1-); Pentachlororhodic acid, diammonium salt; Ammonium chlororhodate; Rhodium ammonium chloride; (NH4)2RhCl5
EINECS	Contact for details

Quality Control

Our Diammonium Pentachlororhodate 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 Inductively Coupled Plasma (ICP) for metal assay, ion chromatography for anion content, and spectroscopic methods for identification. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profiles, and physical characteristics 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 place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to brown crystalline powder
Identification (IR)	Conforms to standard
Assay (Rh content)	≥ 29.5 % (by ICP-OES)
Purity	≥ 98.0 %
Chloride Content	Balance, conforms
Ammonium Content	Conforms to theoretical
Insoluble Matter	≤ 0.5 %
Heavy Metals (as Pb)	≤ 100 ppm
Iron (Fe)	≤ 50 ppm
Loss on Drying	≤ 2.0 %

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