Triiron tetraoxide
Physical Properties Occurrence and Uses Preparation Reactions- Product Name
- Triiron tetraoxide
- CAS No.
- 1317-61-9
- Chemical Name
- Triiron tetraoxide
- Synonyms
- MAGNETITE;BLACK IRON OXIDE;PIGMENT BLACK 11;Black Ferric Oxide;Iron oxide (Fe3O4);IRON(II,III) OXIDE;FexOy;E 172;Fe3-O4;triiron
- CBNumber
- CB7752940
- Molecular Formula
- Fe3O4-2
- Formula Weight
- 231.53
- MOL File
- 1317-61-9.mol
Triiron tetraoxide Property
- Melting point:
- 1538 °C(lit.)
- Density
- 4.8-5.1 g/mL at 25 °C(lit.)
- bulk density
- 0.84g/mL
- refractive index
- 3.0
- Flash point:
- 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/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.
- 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)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H225Highly Flammable liquid and vapour
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P273Avoid release to the environment.
P281Use personal protective equipment as required.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P331Do NOT induce vomiting.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 310069
- Product name
- Iron(II,III) oxide
- Purity
- powder, <5μm, 95%
- Packaging
- 25g
- Price
- $48.6
- Updated
- 2024/03/01
- Product number
- 310069
- Product name
- Iron(II,III) oxide
- Purity
- powder, <5μm, 95%
- Packaging
- 500g
- Price
- $363
- Updated
- 2024/03/01
- Product number
- 51238
- Product name
- Magnetic iron oxide nanoparticles solution
- Purity
- 0.3-0.7% Fe basis, 2.5-3.5% solids basis
- Packaging
- 1ML
- Price
- $115
- Updated
- 2022/05/15
- Product number
- 51238
- Product name
- Magnetic iron oxide nanoparticles solution
- Purity
- 0.3-0.7% Fe basis, 2.5-3.5% solids basis
- Packaging
- 5ML
- Price
- $266
- Updated
- 2022/05/15
- Product number
- 012374
- Product name
- Iron(II,III) oxide, 97% (metals basis)
- Packaging
- 5kg
- Price
- $157
- Updated
- 2024/03/01
Triiron tetraoxide Chemical Properties,Usage,Production
Physical Properties
Black cubic crystal or amorphous powder; refractive index 2.42; density 5.17 g/cm3; Moh’s hardness 6.0; melts at 1,597°C; insoluble in water, soluble in acids.
Occurrence and Uses
Triiron tetroxide occurs in nature as the mineral magnetite, the magnetic oxide of iron. This mineral along with hematite is used as the starting material for producing iron, steel and other ferro-alloys.
Preparation
Triiron tetroxide is obtained from its natural mineral magnetite. In the laboratory the compound may be prepared by adding sodium hydroxide solution to an aqueous solution of 1:2 molar mixture of ferrous and ferric salt. (i.e., 1 mol FeCl2 + 2 mol FeCl3). The resulting black precipitate of the hydroxide on heating dehydrates to gives triiron tetroxide:
Fe2+(aq) + 2Fe3+(aq) + 8OH¯(aq) → Fe3(OH)8(s)
Fe3(OH)8(s) → Fe3O4(s) + 4H2O(g)
Also, the tetroxide may be produced by partial oxidation of iron or iron(II) sulfate by heating under limited amount of air. Another method of production involves heating iron metal with steam:
3Fe + 4H2O → Fe3O4 + 4H2
Reactions
Triiron tetroxide, when heated at elevated temperatures with a reducing agent such as hydrogen or carbon monoxide in the absence of air, produces metallic iron:
Fe3O4 + 4H2 → 3Fe + 4H2O
Partial reduction gives iron(II) oxide. When treated with concentrated acids, the tetroxide dissolves in acids forming mixtures of iron(II) and iron(III) salts:
Fe3O4 + 8HCl → FeCl2 + 2FeCl3 + 4H2O
Fe3O4 + 4H2SO4 → FeSO4 + Fe2(SO4)3 + 4H2O
Chemical Properties
solid
Chemical Properties
Magnetite (Fe3O4) constitutes the richest ore of iron; it is black and magnetic, one variety being called "lodestone".
Uses
Mostly it is used as a black- pigment -catalyst in the Haber process and in the water gas shift reaction. It is used as a contrast-agent in MRI scanning, whereas it is used as a pigment in magnetic applications, polishing compounds, cosmetics, medicines, polymer, rubber, filler, building, construction, appliances, and magnetic inks.
Uses
Iron(II,III) oxide (Fe3O4) can be used as a heterogeneous catalyst for the Fenton type oxidation of rhodamine B. It can be used as an anode material for the fabrication of lithium-ion batteries. Fe3O4 can also be utilized in the catalysis of the oxygen reduction reaction (ORR) in the anion exchange membrane fuel cell.
Uses
Triiron tetraoxide can be used as pigment in paints, linoleum, ceramic glazes; in coloring glass; as a polishing compound; in the textile industry; in cathodes; as catalyst.
General Description
Concentration 5mg/ml includes total weight nanocrystals plus ligands.
Flammability and Explosibility
Non flammable
Properties and Applications
TEST ITEMS |
SPECIFICATION |
APPEARANCE |
BLACK POWDER |
CONTENT OF Fe 3 O 4 |
90% min |
pH VALUE |
5-8 |
DENSITY |
4.5 g/ml |
SHADE |
CLOSE TO STANDARD |
OIL ABSORPTION |
10-20% |
RESIDUE ON 320 MESH |
0.3% max |
WATER SOLUBLE |
0.3% max |
VOLATITE 105 °C |
1.0% max |
TINTING STRENGTH |
98-102 % |
Triiron tetraoxide Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Triiron tetraoxide manufacturers
- Product
- Triiron tetraoxide 1317-61-9
- Price
- US $45.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20 tons
- Release date
- 2024-12-19
- Product
- Triiron tetraoxide 1317-61-9
- Price
- US $30.00-9.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 10 tons
- Release date
- 2023-10-16
- Product
- Triiron tetraoxide 1317-61-9
- Price
- US $6.00/kg
- Min. Order
- 1kg
- Purity
- More than 99%
- Supply Ability
- 2000KG/Month
- Release date
- 2024-06-07