Triiron tetraoxide
CAS Number: 1317-61-9
Chemical Name: Iron(II,III) oxide
Synonyms: Triiron tetraoxide, Pigment Black 11, Magnetite
Chemical Formula: Fe₃O₄
Molecular Weight: 231.53
Appearance: Fine black crystalline powder with inherent magnetic property
Relative Density: 5.18 g/cm³
Melting Point: 1597 °C
Solubility: Insoluble in water, ethanol and common organic solvents; slightly soluble in acid solutions
Chemical Stability: Stable under normal temperature and conventional storage conditions
Sample Availability: Available
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Storage Condition: Store in a dry, cool and well-ventilated place, keep away from strong acids and corrosive substances
This product is a multifunctional inorganic material with excellent pigment performance, catalytic activity and magnetic characteristics, widely used across pigment manufacturing, chemical catalysis, medical treatment, new energy, daily chemicals and multiple industrial fields.
Chemical Properties
| Item | Value |
| 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 | odorless at 100.00% |
| 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/nm b/nm c/nm α/o β/o γ/o V/nm3 0.83941 0.83941 0.83941 90 90 90 0.5915 |
| 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
| Item | Value |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | 3 |
| WGK Germany | – |
| TSCA | Yes |
| HS Code | 28211000 |
Product Application
Catalytic Applications
It acts as an efficient catalyst for multiple chemical reactions. It is commonly used in the Haber process for ammonia synthesis and the industrial water–gas shift reaction. As a heterogeneous catalyst, it is applied in Fenton-type oxidation reaction for degrading rhodamine B. Besides, it can catalyze the oxygen reduction reaction (ORR) in anion exchange membrane fuel cells.
Medical Application
It is widely used as a magnetic resonance imaging (MRI) contrast agent in clinical and medical imaging fields.
New Energy Application
It can be utilized as a promising anode material for lithium-ion batteries, helping to improve the electrochemical performance of battery products.
Supply & Delivery
Fast delivery time
Inventory: 2-3 working days
New production: 7-10 working days
Reviews
There are no reviews yet.