Iron(II) oxide

Iron(II) oxide
	Iron(II) oxide
Names
	IUPAC name Iron(II) oxide
	Other names Ferrous oxide, Iron monoxide, Wüstite
Identifiers
CAS Number	1345-25-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:50820 ;
ChemSpider	14237 ;
ECHA InfoCard	100.014.292
Gmelin Reference	13590
PubChem CID	14945;
UNII	G7036X8B5H ;
CompTox Dashboard (EPA)	DTXSID1041976 ;
	InChI InChI=1S/Fe.O Key: UQSXHKLRYXJYBZ-UHFFFAOYSA-N ; InChI=1/Fe.O/rFeO/c1-2 Key: UQSXHKLRYXJYBZ-WPTVXXAFAB;
	SMILES [Fe]=O;
Properties
Chemical formula	FeO
Molar mass	71.844 g/mol
Appearance	black crystals
Density	5.745 g/cm3
Melting point	1,377 °C (2,511 °F; 1,650 K)
Boiling point	3,414 °C (6,177 °F; 3,687 K)
Solubility in water	Insoluble
Solubility	insoluble in alkali, alcohol ; dissolves in acid
Magnetic susceptibility (χ)	+7200·10−6 cm3/mol
Refractive index (nD)	2.23
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	can be combustible under specific conditions
NFPA 704 (fire diamond)	1 1 0
Autoignition; temperature	200 °C (392 °F; 473 K)
Safety data sheet (SDS)	ICSC 0793
Related compounds
Other anions	Iron(II) sulfide; Iron(II) selenide; Iron(II) telluride
Other cations	Manganese(II) oxide; Cobalt(II) oxide
Related Iron oxides	Iron(II,III) oxide; Iron(III) oxide
Related compounds	Iron(II) fluoride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Iron(II) oxide or ferrous oxide is the inorganic compound with the formula FeO. Its mineral form is known as wüstite.^[3]^[4] One of several iron oxides, it is a black-colored powder that is sometimes confused with rust, the latter of which consists of hydrated iron(III) oxide (ferric oxide). Iron(II) oxide also refers to a family of related non-stoichiometric compounds, which are typically iron deficient with compositions ranging from Fe_0.84O to Fe_0.95O.^[5]

^ Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8
^ "Ferric(ous) Oxide, Black" (PDF). art.illinois.edu. Archived from the original (PDF) on 11 May 2019.
^ "Wüstite". www.mindat.org.
^ "List of Minerals". www.ima-mineralogy.org. March 21, 2011.
^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.

[1] Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8

[2] "Ferric(ous) Oxide, Black" (PDF). art.illinois.edu. Archived from the original (PDF) on 11 May 2019.

[Mindat-3] "Wüstite". www.mindat.org.

[IMA-4] "List of Minerals". www.ima-mineralogy.org. March 21, 2011.

[Greenwood-5] Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.

[1]

[2]

[3]

[4]

[5]

Iron(II) oxide

From Wikipedia, the free encyclopedia · View on Wikipedia