Manganese(II) iodide

Manganese(II) iodide

Names
IUPAC name Manganese(II) iodide
Identifiers
CAS Number	7790-33-2 Y
3D model (Jmol)	Interactive image
ChemSpider	74227 N
ECHA InfoCard	100.029.274
EC Number	232-201-6
PubChem	82250
InChI InChI=1S/2HI.Mn/h2*1H;/q;;+2/p-2 N Key: QWYFOIJABGVEFP-UHFFFAOYSA-L N InChI=1/2HI.Mn/h2*1H;/q;;+2/p-2 Key: QWYFOIJABGVEFP-NUQVWONBAL
SMILES [Mn+2].[I-].[I-]
Properties
Chemical formula	MnI2
Molar mass	308.747 g/mol
Appearance	pink crystalline (looks like MnBr2)
Density	5.01 g/cm3
Melting point	701 °C (1,294 °F; 974 K) (anhydrous) 80 °C (tetrahydrate)
Boiling point	1,033 °C (1,891 °F; 1,306 K)
Solubility in water	soluble
Magnetic susceptibility (χ)	+14,400·10−6 cm3/mol
Structure
Crystal structure	Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164
Coordination geometry	octahedral
Hazards
EU classification (DSD)	Harmful (Xn)
R-phrases	R20/21/22
S-phrases	S36
NFPA 704	0 1 1
Flash point	non-flammable
Related compounds
Other anions	Manganese(II) fluoride Manganese(II) chloride Manganese(II) bromide
Other cations	Iron(II) iodide Cobalt(II) iodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N  (what is YN ?)
Infobox references

Manganese(II) iodide is the chemical compound composed of manganese and iodine with the formula MnI₂.

It can be used as a pink pigment or as a source of the manganese ion or iodide ion. It is often used in the lighting industry.