Thulium Chloride Heptahydrate, Thulium Trichloride Heptahydrate, 13778-39-7

Thulium Chloride Heptahydrate, Thulium Trichloride Heptahydrate, 13778-39-7

📑Thulium(III) Chloride Heptahydrate (TmCl₃·7H₂O)

1. General Information

• CAS No: 13778-39-7

• Chemical Formula: TmCl₃·7H₂O

• Molecular Weight: 385.35 g/mol

• EC Number: 237-362-4

• Packaging Types: 25 g / 100 g laboratory jars, sealed plastic containers

2. Technical Properties

• Form: Light pink crystalline solid

• Purity: 99.9% (rare earth basis)

• Solubility: Highly soluble in water, hygroscopic

• Stability: Moisture sensitive, absorbs water rapidly

3. Detailed Applications

• Precursor for thulium-doped laser materials (e.g., Tm:YAG lasers)

• Additive in optical fibers

• Rare earth research compound

• Catalyst in organic synthesis

4. Production Method / Sources

• Produced by dissolving thulium oxide in hydrochloric acid, followed by crystallization

• Derived from rare earth separation processes

5. Sectoral Suitability Table

6. Mandatory Processes

• REACH registration required for EU trade

• Export controls may apply (rare earth category)

7. Other Names

• International: Thulium trichloride heptahydrate

• Synonyms: TmCl₃·7H₂O, Thulium chloride heptahydrate

8. Alternative Products / Substitutes

• Thulium oxide (Tm₂O₃) – ceramics and laser precursor

• Other lanthanide chlorides (e.g., Holmium chloride)

9. Regulatory & Compliance

• REACH: Registration needed for EU

• ISO: Rare earth material standards

• Import/Export: May be subject to rare earth trade restrictions

10. Safety & MSDS Summary

• GHS Symbols: ⚠️ GHS07 (Irritant)

• Storage: Airtight containers, inert atmosphere

• Transport: Non-hazardous classification, but moisture-sensitive

• PPE: Gloves, goggles, dust mask

11. Market & Commercial Information

• Packaging: 25 g, 100 g laboratory jars

• Main Producer Countries: China, USA, Europe

• Brands: Sigma-Aldrich, American Elements, Alfa Aesar

12. Quality & Analytical Data

• Purity: 99.9% rare earth basis

• Forms: Crystalline solid

• Tests: ICP-MS for trace metals, XRD for crystal structure

13. Environmental & Sustainability Aspects

• Rare earth mining has significant environmental impact

• Recycling from electronic waste is possible

• Requires careful waste handling due to hygroscopic nature

14. Visual Support

• GHS pictograms (Irritant)

• Packaging visuals (laboratory jars)

• Sector suitability table