Iron oxide (Fe2O3)

Iron oxide (Fe2O3) is a chemical compound registered under number CAS 1309-37-1, with the molecular formula Fe₂O₃, and a molar mass of 159.69 g/mol.

The molecule contains 5 atoms connected by 4 chemical bonds. The full systematic IUPAC name of this compound is oxo(oxoferriooxy)iron. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, polar surface area PSA = 43.4 Ų, 0 donors and 3 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The interactive 3D model and the viewer images are protected by copyright (© MolGod.org) — terms of use: molgod.org/copyright/.

Molecular formula	Fe₂O₃
Molar mass	159.69 g/mol
IUPAC	oxo(oxoferriooxy)iron
SMILES	O=[Fe]O[Fe]=O
InChIKey	JEIPFZHSYJVQDO-UHFFFAOYSA-N
logP (XLogP3)	—
PSA	43.4 Ų
HBD / HBA	0 / 3
PubChem CID	CID 518696 ↗

Signal word: Danger

H370 — Causes damage to organs

H372 — Causes damage to organs through prolonged or repeated exposure

H315 — Causes skin irritation

H318 — Causes serious eye damage

H335 — May cause respiratory irritation

Brak articles naukowych dla CAS 1309-37-1 w PubMed / OpenAlex / Semantic Scholar.

Iron trioxide · Iron oxide, red · iron(3+) oxide · iron (III) oxide · Anhydrous Ferric Oxide · Anhydrous Iron (III) Oxide · CHEBI:50819 · Ferrum Oxydatum · Iron oxide, · Hematite 8124 · Anhydrous Iron (III) · RefChem:55186 · Ferric oxide (anhydrous) · 616-935-8 · 11554 Red

• 📊 PubChem CID 518696 — NIH
• 🔬 NIST WebBook — spectroscopy
• 💊 ChEMBL — bioactivity