Zinc nitrate is an inorganic chemical compound with the formula Zn(NO3)2 . This white, crystalline solid is highly deliquescent and is typically encountered as a hexahydrate Zn(NO3)2•6H2O. It is soluble in both water and alcohol.
3D model (JSmol)
|Molar mass||189.36 g/mol (anhydrous) |
297.49 g/mol (hexahydrate)
|Appearance||colorless, deliquescent crystals|
|Density||2.065 g/cm3 (hexahydrate)|
|Melting point|| 110 °C (230 °F; 383 K) (anhydrous) |
45.5 °C (trihydrate)
36.4 °C (hexahydrate)
|Boiling point||~ 125 °C (257 °F; 398 K) decomposes (hexahydrate)|
|327 g/100 mL, 40 °C (trihydrate) |
184.3 g/100 ml, 20 °C (hexahydrate)
|Solubility||very soluble in alcohol|
|Main hazards||Oxidant, may explode on heating|
|Safety data sheet||ICSC 1206|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis and reactionsEdit
- Zn + 2 HNO3 (diluted) → Zn(NO3)2 + H2
- 4 Zn + 10 HNO3 (concentrated) → 4 Zn(NO3)2 + NH4NO3 + 3 H2O
- 2 Zn(NO3)2 → 2 ZnO + 4 NO2 + O2
Zinc nitrate has no large scale application but is used on a laboratory scale for the synthesis of coordination polymers. Its controlled decomposition to zinc oxide has also been used for the generation of various ZnO based structures, including nanowires.
- Barnett, Sarah A; Champness, Neil R (November 2003). "Structural diversity of building-blocks in coordination framework synthesis—combining M(NO3)2 junctions and bipyridyl ligands". Coordination Chemistry Reviews. 246 (1–2): 145–168. doi:10.1016/S0010-8545(03)00121-8.
- Greene, Lori E.; Yuhas, Benjamin D.; Law, Matt; Zitoun, David; Yang, Peidong (September 2006). "Solution-Grown Zinc Oxide Nanowires". Inorganic Chemistry. 45 (19): 7535–7543. doi:10.1021/ic0601900.
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