Europium Chloride, Europium Dichloride, 13769-20-5

Europium Chloride, Europium Dichloride, 13769-20-5

1. General Information

• Chemical Name: Europium(II) chloride

• CAS No: 13769-20-5

• Formula: EuCl₂

• Molecular Weight: 222.84 g/mol

• Appearance: White to pale yellow crystalline solid

• Packaging Types: Glass bottles, sealed containers, 25 kg drums (for industrial supply)

2. Technical Properties

• Density: ~4.19 g/cm³

• Melting Point: ~820 °C

• Solubility: Soluble in water, reacts with moisture (hygroscopic)

• Crystal Structure: Orthorhombic (typical rare-earth halide structure)

3. Detailed Applications

• Luminescent Materials: Precursor for europium-based phosphors in LEDs and display technologies

• Catalysis: Used in specialized organic synthesis reactions

• Magnetic & Electronic Research: Rare-earth halide for advanced material studies

• Nuclear Industry: Sometimes applied in neutron absorption research

4. Production Method / Sources

• Reduction of Europium(III) chloride (EuCl₃) with hydrogen gas

• Direct reaction of europium metal with hydrogen chloride

5. Sectoral Suitability Table

6. Mandatory Processes (Regulatory Requirements)

• REACH registration required in EU

• CLP/GHS hazard labeling

• Controlled handling due to rare-earth classification

7. Other Names

• International: Europium dichloride

• Commercial: EuCl₂

• Common Name: Europium chloride (II)

8. Alternative Products / Substitutes

• Europium(III) chloride (EuCl₃) – more stable, widely available

• Other rare-earth chlorides (e.g., cerium chloride, lanthanum chloride) depending on application

9. Regulatory & Compliance

• REACH: Subject to registration

• TS EN: Rare-earth halide compliance

• FDA/EFSA: Not approved for food use

• ISO: Produced under ISO 9001 quality systems

10. Safety & MSDS Summary

• Hazards: Irritant, moisture-sensitive

• GHS Symbols: ⚠️ Irritant

• Storage: Airtight, moisture-free environment

• Transport: General chemical transport rules

• PPE: Gloves, goggles, protective clothing

11. Market & Commercial Information

• Packaging: 25 kg drums, sealed ampoules for lab-grade

• Trade Names: Available from Alfa Aesar, Sigma-Aldrich, niche rare-earth suppliers

• Main Producer Countries: China, USA, Germany

12. Quality & Analytical Data

• Purity Levels: 99.9% – 99.99% (trace metals basis)

• Forms: Anhydrous crystalline solid

• Testing Methods: ICP-MS, XRD, FTIR

13. Environmental & Sustainability Aspects

• Rare-earth mining has high environmental impact

• Requires controlled disposal due to reactivity with moisture

• Limited recycling pathways compared to common industrial salts

14. Visual Support

• GHS Pictograms: ⚠️ Irritant

• Packaging Examples: Sealed glass bottles, drums

• Sector Suitability Table: ✔/✖ marks shown above