Iron(II) bromide

Iron(II) bromide
Names
	IUPAC name Iron(II) bromide
	Other names Ferrous bromide
Identifiers
CAS Number	20049-61-0 tetrahydrate; 7789-46-0 anhydrous;
3D model (JSmol)	Interactive image;
ChemSpider	74218 ;
ECHA InfoCard	100.029.244
PubChem CID	425646;
UNII	EA3X054RBZ ;
CompTox Dashboard (EPA)	DTXSID80976870 ;
	InChI InChI=1S/2BrH.Fe/h21H;/q;;+2/p-2 Key: GYCHYNMREWYSKH-UHFFFAOYSA-L ; InChI=1/2BrH.Fe/h21H;/q;;+2/p-2 Key: GYCHYNMREWYSKH-NUQVWONBAN;
	SMILES [Fe+2].[Br-].[Br-];
Properties
Chemical formula	FeBr2
Molar mass	215.65 g mol−1
Appearance	yellow-brown solid
Density	4.63 g cm−3, solid
Melting point	684 °C (1,263 °F; 957 K) (anhydrous) ; 27 °C (Hexahydrate)
Boiling point	934 °C (1,713 °F; 1,207 K)
Solubility in water	117 g / 100 ml
Solubility in other solvents	THF, methanol, ethanol
Magnetic susceptibility (χ)	+13,600·10−6 cm3/mol
Structure
Crystal structure	Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164
Coordination geometry	octahedral
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	none
Related compounds
Other anions	Iron(II) fluoride; Iron(II) chloride; Iron(II) iodide
Other cations	Manganese(II) bromide; Cobalt(II) bromide
Related compounds	Vanadium(II) bromide; Iron(III) bromide
	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) bromide refers to inorganic compounds with the chemical formula FeBr₂(H₂O)_x. The anhydrous compound (x = 0) is a yellow or brownish-colored paramagnetic solid. The tetrahydrate is also known, all being pale colored solids. They are common precursor to other iron compounds.

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