Description

Ammonium Cerium(IV) Sulfate Tetrahydrate is a versatile and powerful oxidizing agent in the cerium(IV) family, valued for its stability in aqueous sulfuric acid solutions. This compound is essential for precise, selective oxidation reactions in both laboratory research and industrial chemical synthesis. It serves critical roles for professionals in the pharmaceutical, fine chemical, and analytical chemistry sectors, where reliable and consistent oxidative performance is paramount.

Application

• Organic Synthesis Oxidant: A key reagent for the selective oxidation of alcohols to aldehydes or ketones, and for various other oxidative transformations in complex molecule synthesis.
• Pharmaceutical Intermediate Manufacturing: Used in the production of active pharmaceutical ingredients (APIs) where controlled oxidation steps are required.
• Analytical Chemistry (Cerimetry): Serves as a primary standard in cerimetric titrations for the quantitative analysis of reducing agents, such as iron(II) and hydroquinone.
• Catalyst and Catalyst Precursor: Acts as a catalyst or a precursor for cerium-based catalysts in various chemical processes.
• Research & Development: Employed in academic and industrial R&D for developing new synthetic methodologies and studying oxidation mechanisms.
• Water Treatment and Environmental Testing: Utilized in advanced oxidation processes and in chemical oxygen demand (COD) testing methodologies.

Basic Information

Product Name	Ammonium Cerium(IV) Sulfate Tetrahydrate
CAS No.	18923-36-9
Molecular Formula	Ce(SO4)2 · 2(NH4)2SO4 · 4H2O
Molecular Weight	668.58 g/mol
Synonyms	Ammonium Ceric Sulfate Tetrahydrate; Ceric Ammonium Sulfate Tetrahydrate; Ammonium Hexasulfatocerate(IV) Tetrahydrate; Cerium(IV) Ammonium Sulfate Tetrahydrate; CAS 18923-36-9; Cerimetry Standard; Ceric Ammonium Sulphate
EINECS	Contact for details

Quality Control

Our Ammonium Cerium(IV) Sulfate Tetrahydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing assay, purity, 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 product is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent caking and decomposition. For long-term stability, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (Ce(SO4)2 basis)	≥ 98.0 %
Solubility (in H2SO4)	Clear, yellow to orange solution
Chloride (Cl)	≤ 0.005 %
Nitrate (NO3)	≤ 0.01 %
Iron (Fe)	≤ 0.002 %
Other Rare Earth Elements	≤ 0.1 %

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