Description
Specifications Table
Product Name – Cerium(III) acetate sesquihydrate, REacton™, 99.99% (REO)
Quantity/Pack Size – 250g, 50g, 10g
Form – White crystalline powder
Grade – REacton™ (99.99% REO)
Application – Catalysis, glass polishing, redox reactions, ceramic additives
Product Overview
Cerium(III) acetate sesquihydrate from REacton™ delivers 99.99% rare earth oxide (REO) purity, ensuring reliable performance in demanding laboratory and industrial applications. This high-purity cerium salt exhibits exceptional solubility in water and polar organic solvents, making it ideal for homogeneous catalysis, glass polishing formulations, and redox-mediated synthesis. The sesquihydrate form provides stable hydration without compromising reactivity, while the ultra-low levels of other rare earth and heavy metal impurities (typically <10 ppm) prevent interference in sensitive analytical or synthetic protocols. The compound’s Lewis acidity and single-electron redox behavior enable precise control in organic transformations, particularly in cerium-mediated oxidations and coupling reactions. Packaged under inert conditions to prevent moisture absorption, this REacton™ grade material meets the stringent requirements of advanced materials research, where consistency in cerium speciation and minimal batch-to-batch variation are critical. The fine crystalline structure ensures rapid dissolution and uniform dispersion in reaction media, eliminating the need for prolonged mixing or heating.
FAQs
1. What is the difference between Cerium(III) acetate sesquihydrate and anhydrous Cerium(III) acetate?
The sesquihydrate form contains 1.5 moles of water per cerium atom, which enhances solubility in aqueous systems compared to the anhydrous version. It also exhibits slightly lower Lewis acidity due to coordination with water molecules, which can be advantageous for selective catalysis where moderate reactivity is desired.
2. Can this product be used directly in glass polishing slurries without further purification?
Yes, the 99.99% REO purity ensures minimal particulate contamination, making it suitable for direct use in CMP (chemical-mechanical polishing) slurries. The low iron and heavy metal content prevents streaking or discoloration in optical glass applications.
3. What solvents are recommended for preparing solutions of Cerium(III) acetate sesquihydrate?
Water is the primary solvent, but it also dissolves well in methanol, ethanol, and acetic acid. For non-polar applications, partial dissolution in DMSO or DMF is possible, though heating may be required. Avoid halogenated solvents as they can promote ligand exchange.
4. How should this compound be stored to maintain its purity over time?
Store in a tightly sealed container under nitrogen or argon in a desiccator. Exposure to ambient humidity can lead to gradual hydration beyond the sesquihydrate level, while prolonged air exposure may cause oxidation to Cerium(IV) species. Refrigeration (2–8°C) extends shelf life.
5. Are there any known incompatibilities with common lab reagents?
Avoid contact with strong oxidizing agents (e.g., potassium permanganate, hydrogen peroxide) as they may convert Cerium(III) to Cerium(IV). The acetate ligand is sensitive to strong bases, leading to hydrolysis and precipitation of cerium hydroxide at pH > 9.
