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Sigma-Aldrich

Nickel(II) sulfate hexahydrate

ACS reagent, ≥98%

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About This Item

Linear Formula:
NiSO4 · 6H2O
CAS Number:
Molecular Weight:
262.85
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NB.24

grade

ACS reagent

Quality Level

vapor density

2.07 (vs air)

Assay

≥98%

form

crystals

reaction suitability

reagent type: catalyst
core: nickel

impurities

≤0.002% N compounds
≤0.005% insolubles

anion traces

chloride (Cl-): ≤0.001%

cation traces

Ca: ≤0.005%
Co: ≤0.002%
Cu: ≤0.005%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.005%
Mn: ≤0.002%
Na: ≤0.05%

SMILES string

O.O.O.O.O.O.[Ni++].[O-]S([O-])(=O)=O

InChI

1S/Ni.H2O4S.6H2O/c;1-5(2,3)4;;;;;;/h;(H2,1,2,3,4);6*1H2/q+2;;;;;;;/p-2

InChI key

RRIWRJBSCGCBID-UHFFFAOYSA-L

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General description

Nickel(II) sulfate hexahydrate is a hydrated nickel salt. It is used as a nickel precursor for the preparation of Ni-based catalysts.

Application

Nickel(II) sulfate hexahydrate (NiSO4 6H2O) can be used as a nickel precursor for the preparation of:     
  • Palladium-nickel bimetallic nanoparticles (Pd-Ni) which are used as a catalyst in the Buchwald-Hartwig amination reaction.
  • NiFe2O4 nanoparticles (NPs) applicable for the fabrication of a glucose biosensor.

It can also be used as a recyclable catalyst in:      
  • The synthesis of α-aminophosphonates via a one-pot three-component reaction of aromatic aldehydes, primary amines, and diethylphosphite.      
  • Trifluoromethylation of arylamine in the presence of Langlois′ reagent (CF3SO2Na) as CF3 source and potassium persulfate (K2S2O8) as initiator.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A Inhalation - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Kun-Hua Lu et al.
Mikrochimica acta, 186(4), 227-227 (2019-03-09)
Water-soluble nitrogen-doped carbon quantum dots (C-dots) were fabricated by microwave-induced decomposition of the precursor materials citric acid and N,N'-bis(2-aminoethyl)-1,2-ethanediamine. The C-dots were placed on portable paper strips with novel origami designs to simplified user operations. The intensity of the blue
Polymorphism of nickel sulfate hexahydrate.
Angel RJ and Finger LW.
Acta Crystallographica Section C, Crystal Structure Communications, 44(11), 1869-1873 (1988)
Amperometric glucose biosensor based on NiFe2O4 nanoparticles and chitosan.
Luo L, et al.
Sensors and Actuators B, Chemical, 145(1), 293-298 (2010)
Mechanism and kinetics of thermal decomposition of nickel (II) sulfate (VI) hexahydrate.
Tomaszewicz E and Kotfica M.
Journal of Thermal Analysis and Calorimetry, 77(1), 25-31 (2004)
Xiaohua Xu et al.
Particle and fibre toxicology, 9, 40-40 (2012-11-07)
It has been well recognized that toxicity of fine ambient air particulate matter (PM(2.5)) may depend on its chemical constituents, including components such as soluble metals that may theoretically exert distinctive effects. We have recently demonstrated an important effect of

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