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654507

Sigma-Aldrich

Nickel(II) chloride hexahydrate

99.9% trace metals basis

Synonym(s):

Nickel chloride hexahydrate 2, Nickel dichloride hexahydrate

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About This Item

Linear Formula:
NiCl2 · 6H2O
CAS Number:
7791-20-0
Molecular Weight:
237.69
MDL number:
MFCD00149809
UNSPSC Code:
12352302
PubChem Substance ID:
24884040
NACRES:
NA.23

Assay

99.9% trace metals basis

form

solid

impurities

≤1500.0 ppm Trace Metal Analysis

SMILES string

[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].Cl[Ni]Cl

InChI

1S/2ClH.Ni.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

InChI key

LAIZPRYFQUWUBN-UHFFFAOYSA-L

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General description

Nickel(II) chloride hexahydrate is a water-soluble inorganic compound. It is a cost-effective compound that finds applications in electroplating, nickel-plating, and as an NH3 absorbent in gas masks.

Application

Nickel(II) chloride hexahydrate can be used as:      
  • A precursor for nickel oxide (NiO) films, which are used as hole transport layers in dye-sensitized solar cells (DSSCs).     
  • An additive to the electron transport layer (ETL) in perovskite solar cells to improve their performance, particularly the open-circuit voltage.
  • An effective dopant for synthesizing conductive polymer composites for potential applications in flexible electronics, and sensors.     
  • A precursor in the synthesis of nickel nanothorn particles via hydrothermal method.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 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

Lungs

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCC4035
MKBX8617V
MKBS0901V
MKBR3668V
MKBQ5486V

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NiCl2.6H2O: an efficient catalyst precursor for phosphine-free Heck and Sonogashira cross-coupling reactions
Nowrouzi N and Zarei M
Tetrahedron, 71(41), 7847-7852 (2015)
Kariana Moreno-Sader et al.
ACS omega, 4(6), 10834-10844 (2019-08-29)
Nanocomposites composed of polyacrylamide and nanoclay were synthesized via free-radical cross-linking polymerization and used to adsorb Co2+ and Ni2+ ions from water. The polyacrylamide (PAM)/sodium montmorillonite (Na-MMT) nanocomposites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron
Synthesis of tetra-substituted pyrroles, a potential phosphodiesterase 4B inhibitor, through nickel (II) chloride hexahydrate catalyzed one-pot four-component reaction.
Khan AT, et al.
Tetrahedron Letters, 53(32), 4145-4150 (2012)
John M Besser et al.
Environmental toxicology and chemistry, 32(11), 2495-2506 (2013-05-10)
This study evaluated the chronic toxicity of Ni-spiked freshwater sediments to benthic invertebrates. A 2-step spiking procedure (spiking and sediment dilution) and a 2-stage equilibration period (10 wk anaerobic and 1 wk aerobic) were used to spike 8 freshwater sediments with wide
William G Brumbaugh et al.
Environmental toxicology and chemistry, 32(11), 2482-2494 (2013-05-10)
Two spiking methods were compared and nickel (Ni) partitioning was evaluated during a series of toxicity tests with 8 different freshwater sediments having a range of physicochemical characteristics. A 2-step spiking approach with immediate pH adjustment by addition of NaOH
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