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Nickel(II) nitrate

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Nickel(II) nitrate
Nickel(II) nitrate
Nickel(II) nitrate
Names
IUPAC name Nickel(II) nitrate
Other names Nickel nitrate
Nickelous nitrate
Nitric acid, nickel(2+) salt
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.032.774 Edit this at Wikidata
EC Number
  • 238-076-4
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/2NO3.Ni/c2*2-1(3)4;/q2*-1;+2Key: KBJMLQFLOWQJNF-UHFFFAOYSA-N
  • InChI=1/2NO3.Ni/c2*2-1(3)4;/q2*-1;+2Key: KBJMLQFLOWQJNF-UHFFFAOYAP
SMILES
  • .()=O.()=O
Properties
Chemical formula Ni(NO3)2
Molar mass 182.703 g/mol (anhydrous)
290.79 g/mol (hexahydrate)
Appearance emerald green hygroscopic solid
Density 2.05 g/cm (hexahydrate)
Melting point 56.7 °C (hexahdyrate)
Boiling point 136.7 °C (hexahydrate)
Solubility in water 94.2 g/100ml (20°C)
158 g/100ml (60°C)
Solubility soluble in ethanol
Structure
Crystal structure monoclinic (hexahydrate)
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
2 0 0OX
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose) 1620 mg/kg (oral, rat)
Related compounds
Other anions Nickel(II) sulfate
Nickel(II) chloride
Other cations Palladium(II) nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Nickel nitrate is the chemical compound Ni(NO3)2 or any hydrate thereof. The anhydrous form is not commonly encountered, thus "nickel nitrate" usually refers to nickel(II) nitrate hexahydrate. The formula for this species is written in two ways. Ni(NO3)26H2O and, more descriptively (NO3)2. The latter formula indicates that the nickel(II) center is surrounded by six water molecules in this hydrated salt. The nitrate anions are not bonded to nickel.

(NO3)2 is highly soluble in water, giving emerald green solutions. It is a useful precursor to other nickel(II) derivatives where the water ligands would be replaced.

Safety

Like other nitrates, nickel nitrate is oxidizing, so that caution should be exercised when it contacts with reducing materials such as organic substances. It is also irritating to the eyes, skin and, upon inhalation of the dust, respiratory tract. It may cause skin allergy. Nickel nitrate is a carcinogen, along with most other nickel compounds. The nickel ion is also toxic to aquatic organisms.

References

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Nickel compounds
Nickel(0)
Nickel(II)
Nickel(III)
Nickel(IV)
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