Scandium Chloride Hexahydrate, Scandium Trichloride Hexahydrate, 20662-14-0

Scandium Chloride Hexahydrate, Scandium Trichloride Hexahydrate, 20662-14-0

1. General Information

• Chemical Name: Scandium(III) chloride hexahydrate

• CAS No: 20662-14-0

• Formula: ScCl₃·6H₂O

• Molecular Weight: 266.31 g/mol

• Appearance: White crystalline solid, hygroscopic

• Packaging Types: Glass bottles, sealed containers, 25 kg bags/drums

2. Technical Properties

• Density: ~2.12 g/cm³

• Solubility: Highly soluble in water

• Melting Point: ~96 °C (hydrate form)

• Boiling Point: Decomposes with water loss rather than boiling

3. Detailed Applications

• Catalysis: Used in organic synthesis and polymerization reactions

• Materials Science: Precursor for scandium alloys and ceramics

• Optics & Electronics: Applied in phosphor production with rare-earth elements

• Research: Investigations into scandium compounds in chemistry and biology

4. Production Method / Sources

• Reaction of scandium oxide (Sc₂O₃) with hydrochloric acid

• Extraction and purification from rare-earth ores

5. Sectoral Suitability Table

6. Mandatory Processes (Regulatory Requirements)

• REACH registration (EU)

• CLP/GHS labeling compliance

• National chemical notification requirements

7. Other Names

• International: Scandium trichloride hexahydrate

• Commercial: ScCl₃·6H₂O

• Common Name: Scandium chloride hexahydrate

8. Alternative Products / Substitutes

• Scandium oxide (Sc₂O₃)

• Scandium nitrate (Sc(NO₃)₃)

9. Regulatory & Compliance

• REACH: Registered substance

• TS EN: Compliant with chemical standards

• FDA/EFSA: Not approved as food additive

• 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 mask

11. Market & Commercial Information

• Packaging: 25 kg bags, 200 L drums, laboratory-grade glass bottles

• Trade Names: Available from Alfa Aesar, Sigma-Aldrich, Acros Organics

• Main Producer Countries: China, USA, Germany

12. Quality & Analytical Data

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

• Forms: Hexahydrate crystalline solid

• Testing Methods: ICP-MS, XRD, FTIR

13. Environmental & Sustainability Aspects

• Rare-earth mining has high energy demand and environmental impact

• Requires controlled disposal due to reactivity with moisture

• Recycling pathways are limited compared to common salts

14. Visual Support

• GHS Pictograms: ⚠️ Irritant

• Packaging Examples: Glass bottles, bags, drums

• Sector Suitability Table: ✔/✖ marks shown above