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Merck

203890

Nickel(II) sulfate heptahydrate

99.999% trace metals basis

Synonym(s):

Nickel sulfate heptahydrate, Nickelous sulfate heptahydrate

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About This Item

Linear Formula:
NiSO4 · 7H2O
CAS Number:
10101-98-1
Molecular Weight:
280.86
NACRES:
NA.23
PubChem Substance ID:
24852074
UNSPSC Code:
12352302
EC Number:
232-104-9
MDL number:
MFCD00149814
assay:
99.999% trace metals basis
form:
crystals and lumps

Product Name

Nickel(II) sulfate heptahydrate, 99.999% trace metals basis

InChI key

OGKAGKFVPCOHQW-UHFFFAOYSA-L

InChI

1S/Ni.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

SMILES string

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

assay

99.999% trace metals basis

form

crystals and lumps

reaction suitability

core: nickel

impurities

≤15.0 ppm Trace Metal Analysis

density

1.948 g/mL at 25 °C (lit.)

Quality Level

200

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Application

Nickel(II) sulfate heptahydrate can be used in the research and development: 
  • As a vital precursor to generate nickel-rich cathode materials (NMC, NCA) for lithium-ion batteries using co-precipitation process because of its simplicity, ease of scale-up, and ability to produce a homogeneous structure at the particle scale.      
  • As a nickel source in the electrodeposition process to fabricate the Ni-NTNW (nickel nanotube network), which is then coated with the electroactive NiCo-LDH material to form the hierarchical supercapacitor electrode.  
  • As a precursor to synthesize the nickel(II) cinnamate complex, which is a key component in the preparation of the metal chelate monomers.
  • To synthesize a highly efficient oxygen evolution reaction (OER) trimetallic Fe-Co-Ni electrocatalyst with other metal sulfates .
  • To synthesize high entropy alloy for coatings to improve hardness, wear resistance and corrosion resistance.

Features and Benefits

  • High purity with trace metal analysis (=< 15 ppm) for 32 elements, suitable for batteries.   
  • High water solubility ideal for synthesizing composites for various applications.
  • Low ppm levels of metal ions including Al, K, Na, Mg, Cu, Co, etc.,7)      99.999% purity is ideal for nickel plating.

General description

Nickel(II) sulfate heptahydrate, a water-soluble solid, is widely utilized in diverse industrial applications such as electrochemistry, catalysis, electronics, and optoelectronics. Its electrochemical properties make it a valuable component in the synthesis of electrode materials, which are employed in batteries, supercapacitors, and fuel cells.

signalword

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 irritation

Storage Class

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

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
0000460023
0000460023
0000275796
0000266528
0000275796

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