Iron(III) fluoride

Iron(III) fluoride
Names
	Other names iron trifluoride, ferric fluoride
Identifiers
CAS Number	7783-50-8 ; 15469-38-2 (trihydrate) ;
3D model (JSmol)	Interactive image;
ChemSpider	22958 ;
ECHA InfoCard	100.029.093
PubChem CID	24552;
RTECS number	NO6865000;
UNII	0309P36Q66 ;
CompTox Dashboard (EPA)	DTXSID1064823 ;
	InChI InChI=1S/3FH.Fe/h31H;/q;;;+3/p-3 Key: SHXXPRJOPFJRHA-UHFFFAOYSA-K ; InChI=1/3FH.Fe/h31H;/q;;;+3/p-3 Key: SHXXPRJOPFJRHA-DFZHHIFOAS;
	SMILES F[Fe](F)F;
Properties
Chemical formula	FeF3
Molar mass	112.840 g/mol (anhydrous) ; 166.89 g/mol (trihydrate)
Appearance	pale green crystals
Density	3.87 g/cm3 (anhydrous) ; 2.3 g/cm3 (trihydrate)
Melting point	> 1,000 °C (1,830 °F; 1,270 K)
Solubility in water	slightly soluble (anhydrous) ; 49.5 g/100 mL (trihydrate)
Solubility	negligible in alcohol, ether, benzene
Magnetic susceptibility (χ)	+13,760·10−6 cm3/mol
Structure
Crystal structure	Rhombohedral, hR24
Space group	R-3c, No. 167
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Corrosive
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H312, H314, H332
Precautionary statements	P260, P301+P330+P331, P303+P361+P353, P305+P351+P338, P405, P501
Safety data sheet (SDS)	External SDS
Related compounds
Other anions	Iron(III) oxide, Iron(III) chloride
Other cations	Manganese(III) fluoride, Cobalt(III) fluoride, Ruthenium(III) fluoride
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(III) fluoride, also known as ferric fluoride, are inorganic compounds with the formula FeF₃(H₂O)_x where x = 0 or 3. They are mainly of interest by researchers, unlike the related iron(III) chloride. Anhydrous iron(III) fluoride is white, whereas the hydrated forms are light pink.