Description

Ammonium Cerous Sulfate is an inorganic salt of cerium, valued for its role as a source of trivalent cerium (Ce³⁺) ions. This compound is essential in advanced materials science and industrial catalysis due to cerium's unique redox properties. It is primarily utilized by manufacturers and research institutions in the chemical synthesis, electronics, and specialty glass industries.

Application

• Catalyst Precursor: Serves as a starting material for synthesizing cerium-based catalysts used in automotive exhaust systems and organic synthesis.
• Electronics Manufacturing: Used in the production of capacitors, semiconductors, and other electronic components where cerium's properties are beneficial.
• Glass & Ceramics: Acts as a polishing agent for precision optical lenses and as a dopant to modify the properties of specialty glasses and ceramics.
• Chemical Synthesis: Provides a soluble source of Ce³⁺ for the preparation of other cerium compounds and complexes in laboratory and industrial settings.
• Research & Development: Employed in academic and industrial R&D for studying cerium chemistry, material properties, and new catalytic processes.
• Phosphors & Luminescent Materials: Used in the development of phosphors for lighting and display technologies.

Basic Information

Product Name	Ammonium Cerous Sulfate
CAS No.	21995-38-0
Molecular Formula	NH₄Ce(SO₄)₂·nH₂O (typically tetrahydrate)
Molecular Weight	Contact for details (varies with hydration)
Synonyms	Ammonium Cerium(III) Sulfate; Cerium Ammonium Sulfate; Ammonium Cerous Sulphate; Cerous Ammonium Sulfate; Ammonium Ce(III) Sulfate; Ammonium Sulfatoceriate(III); CAS 21995-38-0; Ammonium Cerium(3+) Sulfate
EINECS	Contact for details

Quality Control

Our Ammonium Cerous Sulfate is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay (Ce³⁺ content), impurity profiles, and physical characteristics. Our quality commitment aligns with industrial and research-grade standards to meet your specific application requirements.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms
Assay (Ce³⁺ content)	≥ 98.0 %
Water Content (Loss on Drying)	≤ 2.0 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Nitrate (NO₃)	≤ 0.05 %
Heavy Metals (as Pb)	≤ 0.002 %

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