Manganese(II) iodide

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Manganese(II) iodide
CAS number 7790-33-2 YesY
PubChem 82250
EC number 232-201-6
Jmol-3D images Image 1
Molecular formula MnI2
Molar mass 308.747 g/mol
Appearance pink crystalline (looks like MnBr2)
Density 5.01 g/cm3
Melting point 701°C (anhydrous)
80 °C (tetrahydrate)
Boiling point 1033 °C
Solubility in water soluble
Crystal structure Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164
EU classification Harmful (Xn)
R-phrases R20/21/22
S-phrases S36[1]
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g., calcium Special hazards (white): no codeNFPA 704 four-colored diamond
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 noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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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.[2]


  1. ^ "223646 Manganese(II) iodide 98%". Sigma-Aldrich. Retrieved 2011-08-05. 
  2. ^ Cepanec, Ivica (2004). Synthesis of Biaryls. Elseveir. p. 104. ISBN 0-08-044412-1. Retrieved 2008-06-18.