Holmium Chloride, Holmium Trichloride, Holmium Chloride Anhydrous, 10138-62-2

Holmium Chloride, Holmium Trichloride, Holmium Chloride Anhydrous, 10138-62-2

📑Holmium(III) Chloride (HoCl₃)

1. General Information

• CAS No: 10138-62-2

• Chemical Formula: HoCl₃

• Molecular Weight: 269.3 g/mol

• EC Number: 233-391-0

• MDL Number: MFCD00016059

• Packaging Types: 25 g, 100 g, 250 g laboratory bottles; sealed glass or plastic containers

2. Technical Properties

• Form: Yellow crystalline solid (anhydrous); hygroscopic

• Purity Grades: 99.9% (3N), 99.99% (4N) REO basis

• Melting Point: ~730 °C

• Boiling Point: ~1250 °C (decomposes)

• Solubility: Soluble in water, ethanol; hygroscopic

• Stability: Moisture sensitive; decomposes to holmium oxide (Ho₂O₃) and HCl upon heating

3. Detailed Applications

• Optical Materials: Precursor for holmium-doped laser crystals (Ho:YAG, Ho:glass)

• Catalysis: Lewis acid catalyst in organic synthesis

• Electronics: Rare earth research, thin film deposition

• Nanotechnology: Advanced material studies and rare earth chemistry

4. Production Method / Sources

• Produced by dissolving holmium oxide in hydrochloric acid followed by crystallization

• Obtained during rare earth element separation processes

5. Sectoral Suitability Table

6. Mandatory Processes

• REACH registration required for EU trade

• Classified as hazardous under CLP/GHS

7. Other Names

• International: Holmium trichloride

• Synonyms: HoCl₃, Holmium chloride (III), Holmium chloride anhydrous

8. Alternative Products / Substitutes

• Holmium oxide (Ho₂O₃) – ceramics and optical applications

• Yttrium chloride (YCl₃) – similar rare earth chemistry

9. Regulatory & Compliance

• REACH: Registration required

• ISO: Rare earth compound standards

• Import/Export: Controlled due to hazardous classification

10. Safety & MSDS Summary

• UN No: 3077

• GHS Symbols: ⚠️ GHS07 (Irritant), ❗ GHS05 (Corrosive), 🌱 GHS09 (Environmental hazard)

• Hazards: Corrosive to skin and eyes, toxic if inhaled, harmful to aquatic life

• Storage: Airtight, moisture-free containers

• Transport: Classified as hazardous material

• PPE: Gloves, goggles, respirator

11. Market & Commercial Information

• Packaging: 25 g (~$150), 100 g (~$400), 250 g (~$950)

• Main Producer Countries: USA, China, Europe

• Brands: Sigma-Aldrich, Thermo Fisher, American Elements

12. Quality & Analytical Data

• Purity: 99.9–99.99%

• Form: Crystalline solid (anhydrous)

• Tests: ICP-MS (trace metals), XRD (crystal structure), titration (chloride content)

13. Environmental & Sustainability Aspects

• Toxic to aquatic organisms

• Requires special disposal procedures

• Rare earth recovery possible from electronic waste

14. Visual Support

• GHS pictograms (Irritant, Corrosive, Environmental hazard)

• Packaging visuals (laboratory bottles)

• Sector suitability table