Zinc nitrate

Zinc nitrate
Names
	IUPAC name Zinc nitrate
Identifiers
CAS Number	7779-88-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	22926 ;
ECHA InfoCard	100.029.038
EC Number	231-943-8;
PubChem CID	24518;
RTECS number	ZH4772000;
UN number	1514
CompTox Dashboard (EPA)	DTXSID10890636 ;
	InChI InChI=1S/2NO3.Zn/c22-1(3)4;/q2-1;+2 Key: ONDPHDOFVYQSGI-UHFFFAOYSA-N ; InChI=1/2NO3.Zn/c22-1(3)4;/q2-1;+2 Key: ONDPHDOFVYQSGI-UHFFFAOYAQ;
	SMILES [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Zn+2];
Properties
Chemical formula	Zn(NO3)2
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 (anhydrous) ; 45.5 °C (trihydrate) ; 36.4 °C (hexahydrate)
Boiling point	~125 °C, decomp (hexahydrate)
Solubility in water	327 g/100 mL, 40 °C (trihydrate) ; 184.3 g/100 ml, 20 °C (hexahydrate)
Solubility	very soluble in alcohol
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Oxidant, may explode on heating
Flash point	Non-flammable
Related compounds
Other anions	Zinc sulfate; Zinc chloride
Other cations	Cadmium nitrate; Mercury(II) nitrate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Zinc nitrate is a highly deliquescent substance which is usually prepared by dissolving zinc in nitric acid. It can be used as a mordant in dyeing. An example reaction gives a precipitate of zinc carbonate: Zn(NO₃)₂ + Na₂CO₃ → ZnCO₃ + 2 NaNO₃.

Conditions/substances to avoid are: reducing agents, organic materials, metal powders, heat and flame, cyanides, sodium hypophosphite, tin(IV) chloride, phosphorus, thiocyanates, carbon, and sulfur.

Zinc nitrate is soluble in both water and alcohol.

Zinc forms zinc nitrate in reaction with nitric acid, but depending on the concentration of the acid it reacts differently:

3Zn + 8HNO_{3 conc.} → 3Zn(NO₃)₂ + 2NO + 4H₂O

Zn + HNO_{3 dil.} → Zn(NO₃)₂ + NH₄NO₃ + H₂O

References

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