Manganese(II) nitrate

Manganese(II) nitrate
Manganese(II) nitrate
Identifiers
CAS number 10377-66-9 YesY, 20694-39-7 (tetrahydrate) YesY
EC number 233-828-8
UN number 2724
Properties
Molecular formula Mn(NO3)2
Molar mass 178.95 g/mol
Appearance White crystalline solid
Density 1.536 g/cm3
Melting point

37 °C, 310 K, 99 °F

Boiling point

100 °C, 373 K, 212 °F

Related compounds
Other anions Manganese chloride
Other cations Magnesium nitrate
Calcium nitrate
 YesY nitrate (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Manganese(II) nitrate is an inorganic compound with formula Mn(NO3)2. Each formula unit is composed of one Mn2+ cation and two NO3- anions and varying amounts of water. Most common is the tetrahydrate Mn(NO3)2·4H2O, but mono- and hexahydrates are also known as well as the anhydrous compound. Some of these compounds are useful precursors to the oxides of manganese.[1]

Preparation

Manganese(II) nitrate can be prepared by dissolving manganese(II) carbonate in dilute nitric acid:

MnCO3 + 2 HNO3 → Mn(NO3)2 + H2O + CO2

It can also be prepared from MnO2 and nitrogen dioxide.[1]

References

  1. ^ a b Arno H. Reidies, “Manganese Compounds” in Ullmann's Encyclopedia of Industrial Chemistry, 2002, Wiley-VCH, Weinheim. doi:10.1002/14356007.a16_123



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