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Magnetite

CAS No.
1317-61-9
Chemical Name:
Magnetite
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:
CB00130585
Molecular Formula:
Fe3O4-2
Molecular Weight:
231.53
MDL Number:
MFCD00011010
MOL File:
1317-61-9.mol
MSDS File:
SDS
Last updated:2024-09-04 23:37:13

Magnetite Properties

Melting point 1538 °C(lit.)
Density 4.8-5.1 g/mL at 25 °C(lit.)
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/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.839410.839410.839419090900.5915
Stability Stable. Incompatible with strong acids, chloroformates, peroxides.
CAS DataBase Reference 1317-61-9(CAS DataBase Reference)
FDA 21 CFR 582.80
FDA UNII XM0M87F357
NIST Chemistry Reference Iron(ii,iii) oxide(1317-61-9)
EPA Substance Registry System Iron oxide (Fe3O4) (1317-61-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07,GHS08,GHS09
Signal word  Danger
Hazard statements  H225-H304-H315-H336-H361d-H373-H411-H319-H335
Precautionary statements  P210-P261-P273-P281-P301+P310-P331-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26
RIDADR  3
WGK Germany  -
TSCA  Yes
HS Code  28211000
NFPA 704
0
0 0

Magnetite price More Price(68)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 310069 Iron(II,III) oxide powder, <5μm, 95% 1317-61-9 25g $48.6 2024-03-01 Buy
Sigma-Aldrich 310069 Iron(II,III) oxide powder, <5μm, 95% 1317-61-9 500g $363 2024-03-01 Buy
Sigma-Aldrich 51238 Magnetic iron oxide nanoparticles solution 0.3-0.7% Fe basis, 2.5-3.5% solids basis 1317-61-9 1ML $115 2022-05-15 Buy
Sigma-Aldrich 51238 Magnetic iron oxide nanoparticles solution 0.3-0.7% Fe basis, 2.5-3.5% solids basis 1317-61-9 5ML $266 2022-05-15 Buy
Alfa Aesar 012374 Iron(II,III) oxide, 97% (metals basis) 1317-61-9 5kg $157 2024-03-01 Buy
Product number Packaging Price Buy
310069 25g $48.6 Buy
310069 500g $363 Buy
51238 1ML $115 Buy
51238 5ML $266 Buy
012374 5kg $157 Buy

Magnetite Chemical Properties,Uses,Production

Description

Magnetite is a mineral whose primary component is an iron oxide that contains equal amounts of iron(II) and iron(III). Its empirical formula is Fe3O4, and it is often expressed as iron(II,III) oxide. In the past, it has been called ferrous–ferric oxide and triiron tetraoxide.

Uses

Magnetite's greatest use is as an important iron ore for steel manufacture. Other applications are as a catalyst in the Haber process for making ammonia, as a pigment for paints and ceramics, and as magnetic micro- and nanoparticles for a variety of processes and materials.

Origin

Magnetite is found in igneous, metamorphic, and sedimentary rocks. As its name implies, it is magnetic; it and other inherently magnetic iron-containing minerals are described as being ferrimagnetic. Magnetite is in the hexoctahedral crystal class; in the 3-D crystal structure, the purple atoms are iron, and the red atoms are oxygen.

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View Lastest Price from Magnetite manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Sodium tetraborate pentahydrate pictures 2023-08-21 Sodium tetraborate pentahydrate
12179-04-3
1kg 99% 100tons Anhui Ruihan Technology Co., Ltd

Triiron tetraoxide Spectrum

Iron(II,III) oxide, 98% (metals basis) Iron(II,III) oxide, 97% (metals basis) Iron(II,III) oxide, 99.95% (metals basis) Iron(II,III) oxide: (Ferrosoferric oxide: Iron(III) oxide) Iron (II, III) oxide, 99.5% min (metals basis) Iron (II,III) oxide, 96% (metals basis) Synthetic black iron oxide Iron(II,III) oxide, Puratronic, 99.997% (metals basis) Iron oxide, magnetic nanoparticles solution Magnetite, Superparamagnetic iron oxide nanoparticles Iron(II,III) oxide solution Iron(II,III) oxide, black (Magnetite) Monodispersed Magnetite Microspheres Magnetic sand concentrate Iron oxide(II,III), Magnetic nanoparticles solution 10 nM avg. part. size, 5 Mg/ML in H2O Iron oxide(II,III), Magnetic nanoparticles solution 20 nM avg. part. size, 5 Mg/ML in H2O Iron oxide(II,III), Magnetic nanoparticles solution 20 nM avg. part. size, 5 Mg/ML in toluene Iron oxide(II,III), Magnetic nanoparticles solution 5 nM avg. part. size, 5 Mg/ML in H2O Iron(II,III) oxide nanopowder, 50-100 nM particle size (TEM), 97% trace Metals basis Iron(II,III) oxide powder, <5 MuM, 95% Fe NP COOH Fe NP NH2 FexOy Iron(II,III) Oxide, Nanopowder, <50NM, 98+% Metal Basis Fe NP NHS Iron oxide(II,III) magnetic nanopowder Monodisperse hydrophilic Fe3O4 nanoparticles Iron oxide(II,III), magnetic nanoparticles solution 10 nm avg. part. size, 5 mg/mL in toluene Iron oxide(II,III), magnetic nanoparticles solution 10 nm diameter, amine functionalized, 1 mg/mL Fe, dispersion in H2O Iron oxide(II,III), magnetic nanoparticles solution 10 nm diameter, carboxylic acid functionalized, 5 mg/mL Fe, dispersion in H2O Fe NP PEG Fe NP Biotin iron oxkle,blacK for pllarmaceutical Iron(II,III) oxide, black (Magnetite), min. 95% Superparamagnetic iron oxide nanoparticles Iron(II,III) oxide (metals basis) "Iron(II, III) oxide/ 97%" Iron(II,III) oxide,Magnetite Iron oxide, magnetic nanoparticles solution,Magnetic iron oxide nanocrystals, Magnetite, Superparamagnetic iron oxide nanoparticles NO 0007, 50 g Iron(II,III)oxide powder, 9 nm, 99.5% Iron(II,Ⅲ) oxide Iron(II,III) oxide (Magnetite) magnetic fluid in kerosene with oleic acid [15-18 vol%, Ms = 50-70 kA/m] Iron(II,III) oxide (Magnetite) magnetic fluid in kerosene with oleic acid [20-23 vol%, Ms = 75-85 kA/m] Iron(II,III) oxide (Magnetite) magnetic fluid in kerosene with oleic acid [7-9 vol%, Ms = 35-45 kA/m] Iron(II,III) oxide (Magnetite) aqueous Magnetic fluid [3.5 vol%, Ms = 15-16 kA/M] Iron(II,III) oxide (Magnetite) aqueous Magnetic fluid [7.0 vol%, Ms = 30-31 kA/M] Iron oxide(II,III), magnetic nanoparticles solution 10 nm diameter, PEG functionalized, 1 mg/mL Fe, dispersion in H2O Iron oxide(II,III), magnetic nanoparticles solution 30 nm diameter, amine functionalized, 1 mg/mL Fe, dispersion in H2O Iron oxide(II,III), magnetic nanoparticles solution 30 nm diameter, PEG functionalized, 1 mg/mL Fe, dispersion in H2O Iron oxide(II,III), magnetic nanoparticles solution 5 nm diameter, amine functionalized, 1 mg/mL Fe, dispersion in H2O Iron oxide(II,III), magnetic nanoparticles solution 5 nm diameter, PEG functionalized, 1 mg/mL Fe, dispersion in H2O Iron(II,III) oxide 99.99% trace metals basis Iron(II,III) oxide nanopowder, 50-100 nm particle size (SEM), 97% trace metals basis Iron oxide(II,III) Iron(II,III) oxide, 97% trace metals basis Iron(II,III) oxide, 99.995% trace metals basis Iron(II,III) oxide, 20-30nm APS Powder, 98% trace metals basis Black rouge Ethiops iron