Holmium Oxide


Product # 1990
Name Holmium Oxide
Synonyms Holmia
Formula Ho2O3
Purity 99.9%
CAS Number 12055-62-8
Molecular Weight 377.85
Color & Form Orange solid
Boiling Point 3900° C
Melting Point 2330° C
Specific Gravity 8.41 gm/ml


50 gm $125.00
250 gm $460.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.

Related Products

Product # Name Purity
1991 Holmium Oxide 99.99%
1992 Holmium Oxide 99.999%


Transportation Information Not a dangerous good

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Gadolinium

Gadolinium is a brittle, silvery-white rare earth metal which is soft, ductile, and malleable.  Gadolinium was named for Finnish chemist Johan Gadolin.

Learn More

In the News

ProChem owner acquires ChemFree Defoam, LLC.

Learn More