Molecule structure of Nickel(II) nitrate hexahydrate (CAS NO.13478-00-7):

IUPAC Name: Nickel(2+) dinitrate hexahydrate 
Molecular Weight: 290.79488 g/mol
Molecular Formula: H₁₂N₂NiO₁₂ 
Density: 2.05 g/mL at 25 °C(lit.)
Melting Point: 56 °C(lit.)
Enthalpy of Vaporization: 37.72 kJ/mol
Boiling Point: 83 °C at 760 mmHg
Vapour Pressure: 49.8 mmHg at 25°C 
Water Solubility: 238.5 g/100 mL (20 °C)
Sensitive: hygroscopic
Stability: stable. strong oxidizer. incompatible with reducing agents.
H-Bond Donor: 6
H-Bond Acceptor: 12 
Exact Mass: 289.974372
MonoIsotopic Mass: 289.974372
Topological Polar Surface Area: 138
Heavy Atom Count: 15
Canonical SMILES: [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.[Ni+2]
InChI: InChI=1S/2NO3.Ni.6H2O/c2*2-1(3)4;;;;;;;/h;;;6*1H2/q2*-1;+2;;;;;;
InChIKey: AOPCKOPZYFFEDA-UHFFFAOYSA-N
EINECS: 236-068-5
Product Categories: Metal and Ceramic Science; Nickel Salts; Salts; Analytical Reagents for General Use; I-N, Puriss p.a.; Puriss p.a.

 Nickel(II) nitrate hexahydrate (CAS NO.13478-00-7) is used in electroplating, ceramics, nickel salt manufacture. It is also used as a catalyst.

NTP 10th Report on Carcinogens. Nickel and its compounds are on the Community Right-To-Know List.

Hazard Codes: O, T, Xi, Xn
Risk Statements: 45-8-22-43-40 
R45:May cause cancer. 
R8 :Contact with combustible material may cause fire. 
R22:Harmful if swallowed. 
R43:May cause sensitization by skin contact. 
R40:Limited evidence of a carcinogenic effect.
Safety Statements: 53-17-36/37-45 
S53:Avoid exposure - obtain special instructions before use. 
S17:Keep away from combustible material. 
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2725 5.1/PG 3
WGK Germany: 3
RTECS: QR7300000
HazardClass: 5.1
PackingGroup: III
Confirmed carcinogen. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NO_x. See also NICKEL(II) NITRATE.

OSHA PEL: TWA 0.1 mg (Ni)/m³
ACGIH TLV: TWA 0.2 mg(Ni)/m³; Human Carcinogen
NIOSH REL: (Inorganic Nickel) TWA 0.015 mg(Ni)/m³

 Nickel(II) nitrate hexahydrate (CAS NO.13478-00-7) is also named as Nickel dinitrate hexahydrate ; Nickel(2+) dinitrate hexahydrate ; Nickel(2+) nitrate, hexahydrate ; Nickelous nitrate hexahydrate ; Nitric acid, nickel(2+) salt, hexahydrate ;
Nickel(II) nitrate, hexahydrate (1:2:6) . Nickel(II) nitrate hexahydrate (CAS NO.13478-00-7) is green crystal. It 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.