Cerium Chloride, Cerium Trichloride, Cerous Chloride, 7790-86-5

Cerium Chloride, Cerium Trichloride, Cerous Chloride, 7790-86-5

Product: Cerium(III) Chloride
CAS No: 7790-86-5
Formula: CeCl₃
Molecular Weight: 246.48 g/mol

1. General Information

• CAS No: 7790-86-5

• Chemical Formula: CeCl₃

• Density: ~3.97 g/mL (anhydrous form)

• Packaging Types: 25 g bottle, 100 g HDPE container, 25 kg drum

2. Technical Properties

• Appearance: White to pale yellow crystalline solid

• Melting Point: ~850 °C (anhydrous)

• Solubility: Highly soluble in water and ethanol

• Stability: Hygroscopic; absorbs moisture from air

3. Detailed Applications

• Catalysis: Lewis acid catalyst in organic synthesis (e.g., Friedel–Crafts reactions, aldol condensations)

• Materials Science: Precursor for cerium oxide (CeO₂) used in polishing powders and catalysts

• Electronics: Applied in rare earth doped materials for optics and semiconductors

• Research: Used in rare earth chemistry and coordination complexes

4. Production Method / Sources

• Produced by reacting cerium oxide (CeO₂) with hydrochloric acid

• Alternative route: Direct chlorination of cerium metal

5. Sectoral Suitability Table

6. Mandatory Processes (Regulatory Requirements)

• REACH registration required for EU market

• Compliance with TS EN chemical handling standards

• Export subject to rare earth trade regulations

7. Synonyms / Other Names

• Common name: Cerium trichloride

• International name: Cerium(III) chloride

• Trade names: CeCl₃, cerous chloride

8. Alternative Products / Substitutes

• Cerium Nitrate (Ce(NO₃)₃)

• Cerium Oxide (CeO₂)

• Other rare earth chlorides (LaCl₃, NdCl₃)

9. Regulatory & Compliance

• REACH: Registered

• TS EN: Compliant with chemical standards

• FDA/EFSA: Not approved for food use

• ISO: ISO 9001:2015 production compliance

• Import/Export Restrictions: Rare earth element trade limitations apply

10. Safety & MSDS Summary

• GHS Symbols: ⚠️ (Irritant)

• Hazard Statements:

  • H302: Harmful if swallowed

  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

• Storage: Store in sealed containers, away from moisture

• PPE: Gloves, goggles, protective clothing

11. Market & Commercial Information

• Packaging: 25 g bottle, 100 g HDPE container, 25 kg drum

• Main Producer Countries: China, USA, Germany

• Suppliers: Sigma-Aldrich, Alfa Aesar, Strem Chemicals

12. Quality & Analytical Data

• Purity: 99% – 99.99% (REO grade)

• Form: Crystalline powder (anhydrous or hydrate forms)

• Analysis Methods: ICP-MS, XRF, titration

13. Environmental & Sustainability Aspects

• Waste Management: Must follow heavy metal disposal procedures

• Environmental Impact: Rare earth mining has significant ecological footprint

• Sustainability: Recycling and substitution research ongoing

14. Visual Support

• GHS pictograms: ⚠️

• Packaging visuals: Bottle, drum, bag

• Sector suitability table: ✔/✖ indicators