Date published: 2026-4-19

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Iron(II) oxide (CAS 1345-25-1)

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CAS Number:
1345-25-1
Molecular Weight:
71.84
Molecular Formula:
FeO (may contain trace amounts of other phases)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Iron(II) oxide, also known as Ferrous oxide (FeO), is a naturally occurring iron oxide present in the earth′s crust. This dark gray to black solid exhibits a metallic luster. While insoluble in water, it readily reacts with acids to form soluble ferric oxide. Iron(II) oxide serves a multitude of purposes across various industries. It functions as a pigment in paints, acts as a catalyst in chemical reactions, and serves as a reducing agent in metallurgy. In the realm of scientific research, Iron(II) oxide has been extensively examined. Its catalytic properties have been investigated, finding use in the oxidation of organic compounds. It has also proven valuable as a reducing agent in metallurgical processes. Additionally, it facilitates the oxidation of organic compounds as a catalyst and aids in the reduction of ferric compounds as a reducing agent.


Iron(II) oxide (CAS 1345-25-1) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Iron(II) oxide, 5 g

sc-269258
5 g
$110.00

Iron(II) oxide, 25 g

sc-269258A
25 g
$406.00

Iron(II) oxide, 100 g

sc-269258B
100 g
$1581.00

Iron(II) oxide, 250 g

sc-269258C
250 g
$3851.00