Manganese(II) bromide

Manganese(II) bromide
Names
	IUPAC name Manganese(II) bromide
Identifiers
CAS Number	(anhydrous): 13446-03-2 (anhydrous) ; (tetrahydrate): 10031-20-6 ;
3D model (JSmol)	(anhydrous): Interactive image; (tetrahydrate): Interactive image;
ChemSpider	(anhydrous): 75309 ; (tetrahydrate): 14499397;
ECHA InfoCard	100.033.251
EC Number	(anhydrous): 236-591-9; (tetrahydrate): 629-337-7;
PubChem CID	(anhydrous): 83471; (tetrahydrate): 19915385;
UNII	(anhydrous): U70U4T7N6S ; (tetrahydrate): 8308V6RBJ5 ;
CompTox Dashboard (EPA)	(anhydrous): DTXSID2065460 ;
	InChI InChI=1S/2BrH.Mn/h21H;/q;;+2/p-2 Key: RJYMRRJVDRJMJW-UHFFFAOYSA-L ; (anhydrous): InChI=1/2BrH.Mn/h21H;/q;;+2/p-2 Key: RJYMRRJVDRJMJW-NUQVWONBAV; (tetrahydrate): InChI=1S/2BrH.Mn.4H2O/h21H;;41H2/q;;+2;;;;/p-2 Key: HHDPJRSXPOGIOP-UHFFFAOYSA-L;
	SMILES (anhydrous): [Mn](Br)Br; (tetrahydrate): O.O.O.O.[Mn+2].[Br-].[Br-];
Properties
Chemical formula	MnBr2
Molar mass	214.746 g/mol (anhydrous) ; 286.60 g/mol (tetrahydrate)
Appearance	pink crystalline
Density	4.385 g/cm3
Melting point	698 °C (1,288 °F; 971 K) (anhydrous) ; 64 °C (tetrahydrate)
Boiling point	1,027 °C (1,881 °F; 1,300 K)
Solubility in water	146 g/100 mL at 20 °C
Magnetic susceptibility (χ)	+13,900·10−6 cm3/mol
Structure
Crystal structure	Trigonal, hP3, SpaceGroup = P-3m1, No. 164
Coordination geometry	octahedral
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H332
Precautionary statements	P280
NFPA 704 (fire diamond)	1 0 1
Flash point	Non-flammable
Related compounds
Other anions	Manganese(II) fluoride; Manganese(II) chloride; Manganese(II) iodide
Other cations	Iron(II) bromide; Cobalt(II) bromide; Manganese(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