Triiron tetraoxide CAS#1317-61-9
Triiron tetraoxide is widely applied as a black pigment and catalyst for the Haber process and the water‑gas shift reaction. It serves as a contrast agent for MRI scanning. Besides, it is used as a pigment in magnetic materials, polishing compounds, cosmetics, pharmaceuticals, polymers, rubber, fillers, building and construction materials, home appliances, and magnetic inks.

Triiron tetraoxide Chemical Properties |
Melting point | 1538 °C(lit.) |
bulk density | 0.84g/mL |
density | 4.8-5.1 g/mL at 25 °C(lit.) |
refractive index | 3.0 |
Fp | 7 °C |
storage temp. | -20°C |
solubility | Aqueous Acid (Slightly) |
form | powder |
color | black |
Specific Gravity | 5.2 |
Odor | at 100.00?%. odorless |
Water Solubility | Insoluble in water and organic solvents. Soluble in concentrated mineral acids. |
Crystal Structure | Inverse spinel type |
crystal system | Cube |
Merck | 14,4040 |
Space group | Fd3m |
Lattice constant | a/nmb/nmc/nmα/oβ/oγ/oV/nm30.839410.839410.839419090900.5915 |
Stability: | Stable. Incompatible with strong acids, chloroformates, peroxides. |
Cosmetics Ingredients Functions | COLORANT |
CAS DataBase Reference | 1317-61-9(CAS DataBase Reference) |
NIST Chemistry Reference | Iron(ii,iii) oxide(1317-61-9) |
EPA Substance Registry System | Iron oxide (Fe3O4) (1317-61-9) |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26 |
RIDADR | 3 |
WGK Germany | - |
TSCA | Yes |
HS Code | 28211000 |









