IRON (II) OXIDE

IRON (II) OXIDE Basic information
Product Name:IRON (II) OXIDE
Synonyms:ironmonooxide[qr];ironmonoxide[qr];ironoxide(feo);ironoxide[feo][qr];naturalwuestite[qr];CI 77489;IRON(II) OXIDE, -10 MESH, 99.9%;Iron(II)oxide,99.5%(metalsbasis)
CAS:1345-25-1
MF:FeO
MW:71.84
EINECS:215-721-8
Product Categories:Inorganic Chemicals;Inorganics;Metal and Ceramic Science;Oxides
Mol File:1345-25-1.mol
IRON (II) OXIDE Structure
IRON (II) OXIDE Chemical Properties
Melting point 1369°C
density 5.7 g/mL at 25 °C(lit.)
form 5 Mesh
Water Solubility Insoluble in water and alkalies. Soluble in HCl, H{2}SO{4}. Slightly soluble in HNO{3}Insoluble in water, alcohol and alkali. Soluble in hydrochloric acid and sulfuric acid. Slightly soluble in nitric acid.
Sensitive Air Sensitive
Merck 14,4052
Stability:Stable. Incompatible with strong oxidizing agents. Highly flammable.
CAS DataBase Reference1345-25-1(CAS DataBase Reference)
EPA Substance Registry SystemFerrous oxide (1345-25-1)
Safety Information
Hazard Codes F
Risk Statements 11
Safety Statements 16-33-7/9
RIDADR UN 3178 4.1/PG 2
WGK Germany -
TSCA Yes
Hazardous Substances Data1345-25-1(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
IRON (II) OXIDE Usage And Synthesis
DescriptionWhen iron is heated in a low partial pressure of oxygen above 575°C, FeO is formed. However, this is only stable at high temperatures and decomposes into iron and Fe304 when it is cooled slowly. To obtain crystalline FeO the high temperature product must be quenched rapidly to stop this disproportionation.
Chemical PropertiesCrystalline FeO (wustite) melts at 1368°C with a heat of fusion ΔH= 7·5 kcal mole-1. It has a heat of formation of - 63·7 kcal mole-1 at 25° and a density of 5·7. Below 198°K (the Néel temperature) FeO is antiferromagnetic. It crystallizes with the rock salt structure having four Fe2+ and four02- ions per unit cell.
Chemical Propertiessolid
Physical propertiesBlack cubic crystal; density 5.7g/cm3; melts at 1,377°C; insoluble in water and alkalies; dissolves in acids.
OccurrenceIron(II) oxide occurs in the mineral, wustite. It is used in the manufacture of heat-absorbing green glasses. It also is used in ceramic mixtures and enamels; and as a catalyst.
UsesIn manufacture of green, heat-absorbing glass; in steel manufacture; in enamels; as catalyst.
UsesIn manufacture of green, heat-absorbing glass; in steel manufacture; and as a catalystIron(II) oxide is used in manufacturing of green, heat-absorbing glass; in steel manufacture; and as a catalyst. It is used as a dye or pigment in pottery, glazes and glasses. It finds application as heat-absorbing glass used in buildings and automobiles. It is used as a precursor in the production of steel. It is also used in cosmetics and some tattoo inks. It can also be used for filtering phosphates from home aquaria and acts as a catalyst in a number of industrial and chemical operations.
DefinitionChEBI: Ferrous oxide is an iron oxide.
PreparationIron(II) oxide may be prepared by thermal decomposition of iron(II) oxalate:
FeC2O4 → FeO + CO + CO2
The product obtained above is impure, that may contain small quantities of triiron tetroxide, Fe3O4 and carbon.
The oxide is stable above 575°C. Thus, it can be prepared by heating iron with oxygen under appropriate pressure at 575°C. Also, iron(II) oxide has been prepared by saturating the fused triiron tetroxide with iron, powdering the mixture, followed by magnetic separation of the oxide from excess iron (Sidgwick, N.V. 1950. The Chemical Elements and Their Compounds, Vol.2, pp 1328, Oxford: Clarendon Press).


IRON (II) OXIDE Preparation Products And Raw materials
Preparation ProductsSodium thiocyanate-->Iron oxide black
IRON (III) OXIDE MONOHYDRATE, YELLOW COPPER FERRITE Lepidocrocite LITHIUM IRON(III) OXIDE ERBIUM FERRITE BARIUM FERRITE Iron hydroxide oxide IRON NICKEL OXIDE IRON PIGMENT BLACK (E172) SODIUM FERRITE IRON (II) OXIDE IRON YTTRIUM OXIDE FERROUS STANNATE ZINC IRON OXIDE diiron magnesium tetraoxide IRON(III) TITANIUM OXIDE INDIUM-IRON OXIDE Umber Ferrous Oxide

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