Manganese dihydroxide, manganese hydroxide, Manganous hydroxide, Pyrochroite
3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||88.952 g·mol−1|
|0.00034 g/100 mL at 18 °C.|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Preparation and reactions
- Mn2+ + 2 NaOH → Mn(OH)2 + 2 Na+
Manganese(II) hydroxide oxidises readily in air, as indicated by darkening of samples.
The compound adopts the brucite structure, as do several other metal dihydroxides.