Iron(II) oxide
Also known as: EINECS 215-721-8, FERROUS OXIDE, IRON (II) OXIDE, IRON(II) OXIDE, Iron monooxide, Iron monoxide, Iron(II)oxide, Iron, oxo-, MFCD00016095, Natural wuestite, Oxoiron, ferrous oxide, ironmonooxide[qr], ironmonoxide[qr], ironoxide(feo), ironoxide[feo][qr], naturalwuestite[qr]
Iron(II) oxide (CAS 1345-25-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula FeO and a molecular weight of 71.844 g/mol. Key properties include a melting point of 1369ºC and a density of 5.7 g/mL at 25ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1345-25-1
- Jingsj CID
- J-13160-1
- Molecular Formula
- FeO
- Molecular Weight
- 71.844 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 1369ºC |
|---|---|
| Density | 5.7 g/mL at 25ºC(lit.) |
| Exact Mass | 71.929855 |
| PSA | 17.07000 |
Frequently Asked Questions
What is the CAS number of Iron(II) oxide?
The CAS number of Iron(II) oxide is 1345-25-1.
What are the molecular formula and molecular weight of Iron(II) oxide?
Iron(II) oxide has molecular formula FeO and molecular weight 71.844 g/mol.
What are the upstream and downstream products of Iron(II) oxide?
For Iron(II) oxide, Upstream Products: Iron, Water, Iron(III) acetylacetonate; Downstream Products: Heavy water, Ferric chloride, Iron(III) fluoride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Iron(II) oxide (CAS 1345-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13160-1 (accessed 2026-10-29).
Data for reference only; verify product details with suppliers before purchase.