Cerium Acetate

Rare Earth Acetates

Cerium Acetate, chemically represented as Ce(CH₃COO)₃ (predominantly existing in hydrated forms such as the trihydrate (Ce(CH₃COO)₃·3H₂O) under ambient conditions), is a key organic-inorganic hybrid compound in the cerium salt family. Distinguished by its stable cerium(III) oxidation state (+3) and the organic compatibility of acetate ions, it bridges the gap between inorganic cerium salts (e.g., chloride, nitrate) and fully organic cerium complexes—making it ideal for applications requiring solubility in both aqueous and polar organic solvents. Unlike inorganic cerium salts that may leave problematic anionic residues (e.g., Cl⁻, NO₃⁻) in sensitive processes, Cerium Acetate’s acetate anion is easily decomposed via pyrolysis or washed away, leaving minimal impurities. With base purities ranging from 98% (technical grade) to 99.999% (ultra-high purity), it is widely used in organic synthesis, catalyst preparation, biomedical research, and advanced material manufacturing.

Commercially, Cerium Acetate is categorized by hydration state, purity, and particle size to meet diverse application needs. Technical Grade (purity 98.0%–99.0%, typically trihydrate, particle size 100–200 mesh) prioritizes cost-efficiency for industrial uses like ceramic sintering aids (lowering the sintering temperature of zirconia ceramics), textile dye mordants, and raw material for cerium oxide synthesis. Reagent Grade (purity ≥99.5%, controlled hydration ±0.5%, particle size 200–300 mesh) meets laboratory standards for analytical chemistry (e.g., cerium coordination studies), small-scale organic synthesis (as a mild Lewis acid catalyst), and cell culture additives (for studying cerium’s biological effects). High-Purity Grade (purity ≥99.99%, low-hydrate form like monohydrate (Ce (CH₃COO)₃・H₂O), particle size 200–300 mesh) targets electronics and optoelectronics, including precursors for cerium-based organic-inorganic hybrid films and dopants for conductive polymers—where trace impurities (e.g.,<10 ppb heavy metals, <5 ppb other rare earths) must be minimized to avoid performance defects. Ultra-High Purity Grade (purity ≥99.999%, anhydrous Ce (CH₃COO)₃) is a niche grade for quantum dots and biomedical imaging agents, with hydration tightly controlled (<0.1% moisture) to ensure compatibility with organic matrices. At standard temperature and pressure, Cerium Acetate trihydrate appears as colorless to pale yellow crystalline powder or plate-like crystals—its light color and low reactivity simplify handling, while hydration state is distinguishable via thermal gravimetric analysis (TGA): trihydrate loses 结晶 water at 70–110°C, forming anhydrous Ce (CH₃COO)₃ above 180°C.

Physically, Cerium Acetate exhibits traits tailored to its organic-inorganic hybrid nature and application requirements. The trihydrate (Ce (CH₃COO)₃・3H₂O) has a molecular weight of 317.25 g/mol, a bulk density of ~1.65 g/cm³, and exceptional solubility in both aqueous and polar organic solvents: it dissolves in water at ~28 g/100 mL (20°C) and in ethanol at ~12 g/100 mL (20°C)—a key advantage over inorganic cerium salts like sulfate (insoluble in organics). Anhydrous Cerium Acetate (molecular weight 267.19 g/mol) has a higher bulk density (~1.88 g/cm³) and enhanced solubility in non-polar solvents (e.g., acetone, ethyl acetate), with solubility ~6 g/100 mL in acetone, enabling use in anhydrous organic reactions. Thermal stability is moderate: trihydrate decomposes gradually above 110°C (losing 结晶 water), with complete decomposition to cerium (III) oxide (Ce₂O₃) above 550°C—releasing acetic acid vapor (CH₃COOH) and carbon dioxide (CO₂) in the process. It exhibits mild hygroscopicity (~0.6% moisture absorption at 60% humidity) compared to highly hygroscopic cerium chloride, preventing severe caking but requiring sealed storage to maintain hydration consistency. Notably, its solution viscosity is low (2.5–3.5 cP for 10% aqueous solution at 20°C), making it easy to handle in coating and film-forming processes.

Chemically, Cerium Acetate’s defining feature is the synergy between Ce³⁺ ions and acetate anions. As a cerium(III) acetate, it dissociates completely in aqueous solutions into Ce³⁺ and CH₃COO⁻ ions, with acetate ions acting as weak ligands that form stable complexes with Ce³⁺ in neutral to slightly basic conditions—this property is leveraged in catalyst design and biomedical imaging. It acts as a mild Lewis acid catalyst in organic reactions (e.g., esterification, aldol condensation), offering higher selectivity than strong inorganic acids (e.g., H₂SO₄) by avoiding side reactions like charring. Unlike cerium(IV) salts (e.g., ammonium cerium sulfate) which are strong oxidizers, Cerium Acetate is chemically inert under normal conditions, with no redox reactivity—making it safe for use in organic synthesis and biomedical applications. When heated with strong bases (e.g., sodium hydroxide), it reacts to form insoluble cerium(III) hydroxide (Ce(OH)₃) precipitates (Ce(CH₃COO)₃ + 3NaOH → Ce(OH)₃↓ + 3CH₃COONa), a reaction used in analytical chemistry to isolate cerium from organic matrices. In organic solvents, it forms adducts with oxygen-containing ligands (e.g., ethers, ketones), enhancing its solubility and reactivity in non-aqueous systems.

The industrial production of Cerium Acetate primarily uses cerium-rich raw materials, such as purified cerium (III) oxide (Ce₂O₃) or cerium (III) carbonate, via neutralization with acetic acid. The process involves four core steps. First, raw material preparation: if using Ce₂O₃ (purity ≥99.0%), it is crushed to 100–200 mesh to increase surface area; if using cerium (III) carbonate (Ce₂(CO₃)₃), it is dissolved in dilute acetic acid to remove carbonate ions. Second, neutralization reaction: the prepared raw material is mixed with glacial acetic acid (CH₃COOH, 99.5% purity) in a reaction vessel at 55–75°C, with a molar ratio of Ce₂O₃ to CH₃COOH of 1:6 (reaction: Ce₂O₃ + 6CH₃COOH + 3H₂O → 2Ce (CH₃COO)₃・3H₂O). The reaction is exothermic, so temperature is controlled via cooling to prevent acetic acid evaporation. Third, purification: the resulting solution is filtered to remove undissolved impurities (e.g., silica, other Rare Earth Acetates). For high-purity grades, solvent extraction (using organic solvents like ethyl acetate) is used to reduce trace metals and anions to ppb levels. Fourth, crystallization and finishing: the purified solution is concentrated under reduced pressure at 45–55°C to a 45%–55% concentration, then cooled to 0–8°C to induce trihydrate crystallization. The crystals are filtered and washed with cold ethanol to remove residual acetic acid. For anhydrous Cerium Acetate, the trihydrate is dried at 160–200°C under vacuum to remove all 结晶 water, then crushed and screened to target particle size. High-purity grades are packaged in nitrogen-filled containers to prevent moisture absorption.

Cerium Acetate’s applications are driven by its dual solubility and mild reactivity. In organic synthesis, Reagent Grade trihydrate is a versatile Lewis acid catalyst for reactions like transesterification (used in biodiesel production) and Diels-Alder cycloaddition—its acetate anion avoids corrosion of reaction equipment (unlike HCl or H₂SO₄). In ceramics, Technical Grade is a sintering aid for alumina ceramics: it forms a liquid phase at high temperatures, promoting grain growth and reducing sintering shrinkage, resulting in ceramics with higher density and thermal shock resistance. In electronics, High-Purity Grade anhydrous Cerium Acetate is a precursor for cerium-doped ZnO thin films (used in transparent conductive coatings): dissolved in ethanol, it is deposited via spin coating and annealed to form films with high electrical conductivity and UV-blocking properties. In biomedical research, Ultra-High Purity Grade is used as a potential antioxidant agent: Ce³⁺ ions scavenge free radicals, while the acetate anion ensures biocompatibility, making it suitable for studying oxidative stress in cells. Additionally, it is used in textile industry as a mordant for natural dyes (e.g., turmeric), improving color fastness by forming stable complexes with dye molecules and fabric fibers.

Safety-wise, Cerium Acetate has low acute toxicity and is considered safe for most industrial and laboratory uses. Its crystals and solutions cause minimal skin or eye irritation—direct contact may result in mild dryness, but no chemical burns (unlike strong acids or cerium(IV) salts). Inhalation of fine powder may irritate the respiratory tract, leading to temporary coughing, so dust generation should be minimized via proper ventilation. It is non-flammable, and thermal decomposition releases only acetic acid (a weak acid) and non-toxic gases, posing no fire or explosion risks. To ensure safety, operators should wear nitrile gloves and safety goggles when handling; a dust mask is recommended for fine-powder grades. Storage should be in a cool (15–25°C), dry (<60% area="" in="" sealed="" containers="" to="" maintain="" trihydrate="" should="" be="" protected="" from="" excessive="" heat="">70°C) to prevent water loss, while anhydrous Cerium Acetate should be stored under nitrogen to avoid moisture absorption. It should be stored separately from strong bases to avoid unwanted precipitation. In case of skin contact, rinse with water for 10 minutes; eye contact requires flushing with water. If inhaled, move to fresh air. When stored properly, trihydrate has a shelf life of 1–2 years, anhydrous Cerium Acetate 2–3 years. Expired products may show reduced solubility or moisture absorption (detected via TGA) and should be tested before use.

Descriptive:  WNX employs advanced automated production technology and uses high-quality raw materials to produce high-qualityCerium Acetate.

Key Features:

High Purity:Cerium Acetate contains no impurities from rare earth elements (such as iron, calcium, sodium), and the impurity content is low.

Good Solubility:Cerium Acetate can dissolve rapidly in water and strong acids.

Consistency: The strict batch management in the production ofCerium Acetate ensures stable quality for industrial large-scale production.

Chemical industry catalysts: Cerium acetate, as an efficient catalyst, is widely used in the fluid catalytic cracking (FCC) process of petrochemicals, effectively enhancing the conversion efficiency of hydrocarbons and the quality of fuel products. It is also a key component of automotive exhaust purification catalysts, used to reduce harmful gas emissions. In organic synthesis, it catalyzes the liquid-phase auto-oxidation reaction of phenol together with bromide ions.

Pond Phosphorus Remover: Due to its chemical properties, cerium acetate can form a precipitate through the combination of cerium ions and phosphate ions, effectively removing phosphates from the water body. This helps address the problem of water body eutrophication and inhibits the growth of algae.

Batteries and energy materials: Cerium acetate is an important precursor for preparing cerium oxide (CeO₂) nanoparticles. These materials have potential applications in new energy technologies such as solid oxide fuel cells (SOFC). Their unique properties have also drawn attention in the research of energy storage and conversion.

Chemical synthesis intermediates: As an important source of cerium, cerium acetate is a key raw material for synthesizing other cerium compounds (such as cerium oxide, various cerium salts). It is also the starting material for manufacturing precision optical glass polishing powder and is hailed as one of the most efficient glass polishing agents.

1.Neutral labels/packaging (jumbo bag of 1.000kg each net),Two bags per pallet.

2.Vacuum-sealed, then wrapped in air cushion bags, and finally packed into iron drums.

Drum: Steel drums (open-top, 45L capacity, dimensions: φ365mm × 460mm / inner diameter × outer height).

Weight per Drum: 50 kg

Palletization: 18 drums per pallet (total 900 kg/pallet).

Transport Class: Maritime transportation / Air transportation

Custom packaging available upon request