Neodymium Phosphate, Neodymium Laser Salt, Nd Phosphate Crystal, 13768-24-0

Neodymium Phosphate, Neodymium Laser Salt, Nd Phosphate Crystal, 13768-24-0

1. 🧪 Physical and Chemical Properties

• Appearance: Pale purple-white crystal or powder

• Chemical Formula: NdPO₄

• CAS No: 13768-24-0

• Density: ~4.5–5.0 g/cm³

• Melting Point: >1500 °C

• Crystal Structure: Monoclinic

• Optical Properties: High refractive index, suitable for laser transmission

2. 🛠️ Broad Application Areas

• Laser crystal production (Nd:YAG, Nd:Glass doping)

• Optical fiber amplifiers

• Ceramic and glass additive

• Phosphate-based magnetic ceramics

• Surface coatings and ion exchange systems

• Nuclear waste immobilization (phosphate matrix)

3. 🧾 Codes and Synonyms

• CAS No: 13768-24-0

• EC No: Not assigned (treated as a mixture)

• Trade Names: Neodymium Phosphate, NdPO₄

• HS Code / GTIP: 2846.90.00.00.00

• REACH Status: Typically unregistered, used in specialized optical applications

4. 🔄 Alternatives / Equivalents

• Lanthanum Phosphate (LaPO₄) – similar optical properties

• Samarium Phosphate – alternative rare earth dopant

• Yttrium Phosphate – common in laser crystals

• Neodymium Oxide + Phosphoric Acid – in-process synthesis alternative

5. 📊 Sectoral Compatibility Table

6. 🗣️ Common Names

• Neodymium laser salt

• Nd phosphate crystal

• Purple phosphate additive

7. 🏭 Production

• Synthesized by reacting neodymium oxide (Nd₂O₃) with phosphoric acid (H₃PO₄)

• Precipitated and sintered to form crystalline structure

• Produced in powder or crystal form

• Major producer countries: China, Germany, Japan

• Key manufacturers: Alfa Aesar, Sigma-Aldrich, Treibacher

8. 🎯 Mandatory Sectors and Processes

• Laser crystal manufacturing (Nd:YAG, Nd:Glass)

• Optical fiber amplifier systems

• Defense electronics (high-power laser systems)

• Medical laser devices (ophthalmology and dermatology)