Neodymium Carbonate, Neodymium (III) Carbonate Hydrate, Neodymium Tricarbonate, 38245-38-4

Neodymium Carbonate, Neodymium (III) Carbonate Hydrate, Neodymium Tricarbonate, 38245-38-4

🧪 NEODYMIUM CARBONATE, 

1️⃣ Physical and Chemical Properties

• Chemical Name: Neodymium(III) Carbonate Hydrate

• Chemical Formula: Nd₂(CO₃)₃·xH₂O

• CAS Number: 38245-38-4

• EC Number: 253-808-2

• Molar Mass: ~468.5 g/mol (hydration-dependent)

• Appearance: Pale violet-white crystalline powder

• Solubility: Insoluble in water, soluble in acids

• Density: ~3.5 g/cm³

• Stability: Stable under dry conditions, non-hygroscopic

• Crystal Structure: Trigonal

• Hazards: GHS H315 (skin irritation), H319 (eye irritation), H335 (respiratory irritation)

2️⃣ Applications

• NdFeB magnet precursor: Converts to Nd₂O₃ via thermal decomposition

• Glass and ceramic additive: Colorant and UV filter

• Pigments and dyes: Violet tone enhancer

• Rare earth separation: Precipitation and purification agent

• Laboratory reagent: Used in analytical chemistry

• Organic synthesis: Acid-soluble neodymium source

3️⃣ Synonyms, CAS, EC, and Codes

4️⃣ Alternatives / Substitutes

• Neodymium Nitrate (Nd(NO₃)₃): Soluble neodymium source

• Neodymium Sulfate (Nd₂(SO₄)₃): Used in glass and pigment applications

• Neodymium Oxide (Nd₂O₃): Final oxide form after calcination

• Praseodymium Carbonate (Pr₂(CO₃)₃): Similar optical and synthesis roles

5️⃣ Sectoral Compatibility Table

6️⃣ Common Names

• Neodymium carbonate salt

• Pale violet carbonate powder

• NdFeB precursor

• Glass additive carbonate

7️⃣ Production

• Source Material: Reaction of neodymium nitrate or chloride with carbonate salts

• Process: Precipitation → Filtration → Drying

• Available Grades: Hydrated form, technical and high-purity

• Main Producer Countries: China, India, USA

• Commercial Purity Grades: 99% to 99.999%