Skip to main content
Home - Reade
Back to All Products
Back to All Products

Erbium Oxide (Er₂O₃)

Erbium(III) Oxide (Er₂O₃), or Erbium Oxide, is a light pink paramagnetic solid. It is insoluble in water but soluble in mineral acids. Er₂O₃ is hygroscopic and will readily absorb moisture and CO2 from the atmosphere.

Purity: 99.9-99.999%
Typical Applications

Erbium oxide is used in vacuum deposition, and as a colorant in the manufacture of pink glass, cubic zirconia, and porcelain. Other applications are in ceramics, glass, and solid-state lasers. Er₂O₃ is commonly used as an activator ion in making laser materials.

Packaging Options



Erbium Oxide TSCA (SARA Title III) Status: TSCA= Yes and SARA= No
For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Erbium Oxide CAS Number: 12061-16-4

Add Erbium Oxide (Er₂O₃) To Your Quote

Select Form

  • Pieces
  • Powder
  • Sintered Lump
  • Targets


  • Units
  • Pieces
  • Grams
  • Troy Ounces
  • Pounds
  • Kilograms
  • Metric Tons
  • Net Tons
  • Feet
  • Meters
  • Inches
  • Centimeters
  • Millimeters
Not seeing what you're looking for? Request Product

Thank you for adding a product to your quote request!

Submit a RFQ

Review & Submit

View other Products

View Products