Iron(III) Oxide
Fe₂O₃·159.688 g/mol·Salts & Minerals·CID 14833
MineralPigment
Rust — the most common iron ore (hematite). The red pigment in many soils and rocks. Used in thermite reactions, as a polishing compound (jeweler's rouge), and in magnetic recording media.
IUPAC: bis(iron(3+));tris(oxygen(2-))
Also known as: Iron ore, Raphisiderite, Haematite, Blood stone, 1317-60-8 (+14 more)
Molecular Structure
Molecular Propertiesmass · H-bonds · stereo
Molecular Weight
159.690g/mol
Exact Mass
159.854615Da
Monoisotopic Mass
159.854615Da
XLogP
—
Polar Surface Area
3.0Ų
Complexity
0
Formal Charge
0
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Stereo Centers
0
Bond Stereo
0
Drug-Likeness (Lipinski's Rule of Five)
✓ 159.7 g/mol
MW ≤ 500
? —
LogP ≤ 5
✓ 0
H-bond donors ≤ 5
✓ 3
H-bond acceptors ≤ 10
Passes all rules — good oral bioavailability predicted
GHS Hazard Classification
Danger
Hazards
H315Causes skin irritationH318Causes serious eye damage
Source: PubChem GHS Classification. Always consult the SDS for handling.
Constituent Elements
Isomers8 compounds with formula Fe₂O₃
oxo(oxoferriooxy)iron
CID 518696 · 159.7 g/mol
oxido(oxo)iron;oxoiron(1+)
CID 129627673 · 159.7 g/mol
bis(iron-59(3+));tris(oxygen(2-))
CID 44144790 · 165.9 g/mol
bis(iron(2+));tris(oxygen(2-))
CID 131728961 · 159.7 g/mol
bis(oxoiron(1+));oxygen(2-)
CID 173046756 · 159.7 g/mol
iron;iron(3+);ozone
CID 173117558 · 159.7 g/mol
bis(iron(3+));tris(oxygen-18(2-))
CID 11600727 · 165.7 g/mol
oxo((17O)oxoferriooxy)iron
CID 71308967 · 162.7 g/mol