Praseodymium Carbonate, 14948-62-0

🧪 PRASEODYMIUM(III) CARBONATE

1️⃣ Physical and Chemical Properties

• Chemical Name: Praseodymium(III) Carbonate

• Chemical Formula: Pr₂(CO₃)₃

• CAS Number: 14948-62-0

• EC Number: 239-001-2

• Molecular Weight: ~457.84 g/mol

• Appearance: Greenish‑yellow crystalline powder (characteristic of praseodymium compounds)

• Melting Point: Not well defined; decomposes to Pr₂O₃ upon heating

• Solubility: Insoluble in water; soluble in acids

• Stability: Stable at room temperature

• Density: ~4.0 g/cm³

2️⃣ Detailed Applications

• Catalysis: Precursor for praseodymium oxide (Pr₂O₃), used in catalytic converters and chemical catalysis

• Optical glass production: Controls UV transmission and stabilizes refractive index

• Electronics: Additive in semiconductors and vacuum systems

• Coating technologies: Thin film deposition and sputtering target precursor

• Nanotechnology: Source material for Pr₂O₃ nanoparticles

• Defense industry: Optical filters and laser systems

• Chemical industry: Intermediate for rare‑earth oxides and hydroxides

3️⃣ Synonyms, CAS, EC and Codes

4️⃣ Alternative / Substitute Products

• Cerium Carbonate (Ce₂(CO₃)₃): Optical and catalytic applications

• Lanthanum Carbonate (La₂(CO₃)₃): Similar rare‑earth carbonate properties

• Neodymium Carbonate (Nd₂(CO₃)₃): Comparable optical and catalytic functions

• Zirconium Carbonate (Zr(CO₃)₂): Alternative in ceramics and coatings

5️⃣ Sectoral Compliance Table

6️⃣ Common Names

• Praseodymium carbonate

• Greenish carbonate powder

• Optical additive

• Praseodymium salt

7️⃣ Production

• Starting material: Praseodymium‑containing rare‑earth ores

• Process: Carbonate 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

• Catalyst production: Precursor for Pr₂O₃ catalysts

• Optical glass production: UV transmission and refractive index control

• Electronic vacuum systems: Surface additive and protective layer

• Defense optics: Precision laser filtering systems

• Nanotechnology: Pr₂O₃ nanoparticle synthesis