Ytterbium Hydroxide, Ytterbium Trihydroxide, 16469-20-8

🧪 YTTERBIUM(III) HYDROXIDE

1️⃣ Physical and Chemical Properties

• Chemical Name: Ytterbium(III) Hydroxide / Ytterbium Trihydroxide

• Chemical Formula: Yb(OH)₃

• CAS Number: 16469-20-8

• EC Number: 240-518-6

• Molecular Weight: 224.06 g/mol

• Appearance: White crystalline powder

• Melting Point: Not well defined, decomposes upon heating

• Solubility: Insoluble in water; soluble in strong acids

• Stability: Stable at room temperature

• Density: ~5 g/cm³ (approximate)

2️⃣ Detailed Applications

• Optics: Intermediate for rare‑earth optical glass and ceramics

• Electronics: Additive in semiconductors and vacuum systems

• Catalysis: Precursor for ytterbium oxide (Yb₂O₃) used in catalysts and ceramics

• Coating technologies: Thin film deposition and sputtering target material

• Nanotechnology: Source for Yb₂O₃ nanoparticles

• Defense industry: Optical filters and laser systems

3️⃣ Synonyms, CAS, EC and Codes

4️⃣ Alternative / Substitute Products

• Cerium Hydroxide (Ce(OH)₄): Catalyst and optical precursor

• Lanthanum Hydroxide (La(OH)₃): Similar rare‑earth hydroxide properties

• Praseodymium Hydroxide (Pr(OH)₃): Comparable precursor for rare‑earth oxides

• Zirconium Hydroxide (Zr(OH)₄): Alternative in coatings and ceramics

5️⃣ Sectoral Compliance Table

6️⃣ Common Names

• Ytterbium salt

• White hydroxide crystal

• Optical additive

• Ytterbium hydroxide powder

7️⃣ Production

• Starting material: Ytterbium‑containing rare‑earth ores

• Process: Hydroxide precipitation → Filtration → Drying

• Production grades: Technical and high‑purity grades

• Main producing countries: China, India, USA

• Commercial purity: 99% – 99.99%

8️⃣ Key Sectors and Processes

• Optical glass production: UV/IR transmission and refractive index control

• Laser crystal production: Magneto‑optic systems

• Electronic vacuum systems: Surface additive and protective layer

• Defense optics: Precision laser filtering systems

• Nanotechnology: Yb₂O₃ nanoparticle synthesis