Cerium Hydroxide, Cerous Hydroxide, Cerium (III) Hydroxide, 15785-09-8

Cerium Hydroxide, Cerous Hydroxide, Cerium (III) Hydroxide, 15785-09-8

🧪 CERIUM HYDROXIDE

1️⃣ Physical and Chemical Properties

• Chemical Name: Cerium(III) Hydroxide

• Chemical Formula: Ce(OH)₃

• CAS Number: 15785-09-8

• EC Number: 239-898-7

• Molecular Weight: 204.13 g/mol

• Appearance: White crystalline powder

• Melting Point: Decomposes before melting

• Solubility: Very low in water, soluble in acids

• Stability: Stable at room temperature

• Density: ~3.9 g/cm³

• Ksp (Solubility Product): ~2.0 × 10⁻²⁰

2️⃣ Detailed Applications

• CeO₂ production: Used as an intermediate precursor

• Laboratory reagent: For precipitation of rare earth elements

• Nanomaterial synthesis: Starting material for CeO₂ nanoparticles

• Electrochemical applications: Thin-film additive in supercapacitor electrodes

• Ceramic additive: For refractive index tuning and surface modification

• Defense industry: Used in laser optics and precision polishing systems

3️⃣ Synonyms, CAS, EC, and Codes

4️⃣ Alternatives / Substitutes

• Cerium Carbonate (Ce₂(CO₃)₃): Alternative intermediate for CeO₂

• Cerium Nitrate (Ce(NO₃)₃): Soluble cerium source

• Lanthanum Hydroxide (La(OH)₃): Similar precipitation and analysis use

• Zirconium Hydroxide: Substitute in ceramics and electrochemical systems

5️⃣ Sectoral Compatibility Table

6️⃣ Common Names

• Cerium-based precipitant

• White cerium powder

• CeO₂ precursor

• Cerium hydroxide crystal

7️⃣ Production

• Starting Material: Cerium-containing solutions

• Process: Precipitation with sodium or ammonium hydroxide → Filtration → Drying

• Grades Available: Technical and high-purity grades

• Main Producer Countries: China, India, USA

• Commercial Purity Grades: 99% to 99.99%

8️⃣ Mandatory Sectors and Processes

• CeO₂ production: Required intermediate form

• Nanomaterial synthesis: Starting material for CeO₂ nanoparticles

• Electrochemical systems: Thin-film additive in supercapacitor electrodes

• Defense optics: Used in precision polishing for laser systems