Zirconium Hydroxide, 14475-63-9

🧪 ZIRCONIUM HYDROXIDE

1️⃣ Physical and Chemical Properties

• Chemical Name: Zirconium(IV) Hydroxide

• Chemical Formula: Zr(OH)₄

• CAS Number: 14475-63-9

• EC Number: 238-439-8

• Molecular Weight: 139.25 g/mol

• Appearance: White amorphous powder or gel‑like solid

• Melting Point: Not well defined; decomposes to ZrO₂ upon heating

• Solubility: Insoluble in water; soluble in acids

• Stability: Stable at room temperature, may be slightly hygroscopic

• Density: ~3.25 g/cm³

• Crystal Structure: Amorphous/hydroxide phase

2️⃣ Detailed Applications

• Ceramics: Precursor for zirconia (ZrO₂) ceramics

• Catalysis: Used as catalyst support and active phase in chemical reactions

• Coating technologies: Thin film deposition and sputtering target material

• Nanotechnology: Source for ZrO₂ nanoparticles

• Pigments: Additive in ceramic and glass industries for white pigments

• Defense industry: High‑temperature resistant ceramics and coatings

3️⃣ Synonyms, CAS, EC and Codes

4️⃣ Alternative / Substitute Products

• Zirconium Oxide (ZrO₂): Directly used in ceramics and coatings

• Aluminum Hydroxide (Al(OH)₃): Alternative in ceramics and catalysts

• Titanium Hydroxide (Ti(OH)₄): Used in coatings and pigments

• Cerium Hydroxide (Ce(OH)₄): Alternative in catalysis and optics

5️⃣ Sectoral Compliance Table

6️⃣ Common Names

• Zirconium salt

• White hydroxide powder

• Ceramic additive

• Zirconium hydroxide gel

7️⃣ Production

• Starting material: Zirconium salts (e.g., zirconium chloride)

• Process: Hydroxide precipitation → Filtration → Drying

• Production grades: Technical and high‑purity grades

• Main producing countries: China, Japan, USA

• Commercial purity: 99% – 99.99%

8️⃣ Key Sectors and Processes

• Ceramic production: Precursor for ZrO₂ ceramics

• Catalyst production: Support material in chemical industry

• Coating technologies: Thin film and sputtering targets

• Nanotechnology: ZrO₂ nanoparticle synthesis

• Defense optics: High‑temperature resistant ceramics and coatings