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Views: 0 Author: Y Publish Time: 2026-10-26 Origin: Site
Nickel chloride hexahydrate is an inorganic nickel compound used in electroplating, chemical synthesis, catalyst preparation and laboratory research. It provides a soluble source of nickel ions for use in industrial processes that require controlled nickel concentrations.
Nickel(II) Chloride Hexahydrate is also known as Nickel Dichloride Hexahydrate, and it contains Nickel Chloride and six water molecules. The chemical formula is NiCl2.6H2O.
Nickel chloride hexahydrate is especially important in nickel electroplating baths, where nickel ions aid in the formation of metallic nickel coatings on suitable surfaces. It is also used as a chemical intermediate in the preparation of catalysts containing nickel and other nickel compounds.
When choosing the right grade, manufacturers, formulators and industrial chemical buyers should be aware of the chemical properties, applications, purity requirements and handling precautions of the grade.
The following table summarizes the key identification information for nickel chloride hexahydrate.
Property | Description |
Chemical name | Nickel chloride hexahydrate |
Alternative name | Nickel(II) chloride hexahydrate |
Chemical formula | NiCl₂·6H₂O |
CAS number | 7791-20-0 |
Molecular weight | 237.69 g/mol |
EC number | 231-743-0 |
Compound type | Inorganic nickel salt |
Appearance | Typically green crystalline solid |
Solubility | Soluble in water |
Main industrial uses | Electroplating, catalyst preparation, chemical synthesis, laboratory research |
Nickel chloride hexahydrate finds wide application in the chemical, metal-finishing and research industries.
One of the most established applications of nickel chloride hexahydrate is nickel electroplating.
Electroplating is the process of depositing a layer of metal onto a conductive surface using an electrochemical process . Nickel coatings can be used to improve appearance, surface properties, corrosion resistance, and wear performance depending on the coating system and substrate.
Nickel chloride is also found in nickel-plating formulations where it may assist the electrolyte in conducting electricity and influence the behavior of nickel anodes. Its specific function depends on the formulation of the plating bath and the operating conditions.
Typical application areas are:
Metal fittings and automotive parts
Industrial hardware and fasteners
Metal Decorative Products
Machinery parts
Electronic and electrical components
Workshops for metal finishing
industrial example: A company that does metal finishing may use nickel chloride hexahydrate as one ingredient in making a nickel electroplating bath. To achieve the desired coating quality, the bath must be balanced with the proper nickel source, supporting electrolytes, additives, and process controls.
The actual formulation depends on the plating process selected, the substrate, the coating specifications and the equipment.
Nickel chloride hexahydrate is used as a nickel precursor in the preparation of certain nickel-containing catalysts.
Nickel-based catalysts play an important part in a variety of chemical transformations, including specific hydrogenation and reduction processes. In the preparation of the catalyst, a soluble nickel salt can be deposited on the support or transformed into another nickel-containing intermediate.
Its activity and selectivity depend on its composition, method of preparation, support, conditions of activation, and environment of reaction.
Possible areas of application are:
Fine chemicals production
Organic chemical production
Studies of catalysis in the laboratory
Supported nickel catalysts: development
Research on hydrogenation processes
Nickel chloride hexahydrate is a precursor. It is not a universal finished catalyst. Which nickel compound you pick depends on the reaction you want to run and how you are going to make the catalyst.
Nickel chloride hexahydrate can serve as a starting material for preparing other nickel-containing compounds through suitable chemical reactions.
Depending on the process, nickel ions can be converted into nickel hydroxide, nickel carbonate or other nickel salts and intermediates.
These materials can be used in research, materials development, or specialty industrial applications.
If you are a manufacturer and you are using nickel chloride hexahydrate as a chemical synthesis reagent, you should consider the assay, trace-metal impurities, chloride content and compatibility with the intended reaction.
Nickel chloride hexahydrate is used in chemical laboratories for preparing nickel-containing solutions and conducting inorganic chemistry experiments.
Typical applications are:
Preparation of solutions of nickel salts
Experiments in coordination chemistry
Study of nickel ion reaction
Catalyst design
material chemistry research
development of analytical methods
Laboratory users should choose a grade suitable for their analytical needs. Reagent grade products may have more stringent limits on impurities than industrial grade materials.
Nickel chloride hexahydrate may also be used as a nickel source in research involving coordination compounds, nickel-containing materials, and selected functional materials.
Whether or not it is suitable depends on the target composition and synthetic route. In such applications it may be particularly important to control impurities and consistency of chemical composition.
Researchers should verify the grade, documentation and storage conditions required before use.
Understanding how nickel chloride hexahydrate is used in actual production environments helps buyers select an appropriate grade.
These are example application scenarios and not descriptions of customer projects.
A metal-finishing facility requires a consistent supply of nickel salts to maintain its electroplating bath.
Nickel chloride hexahydrate can be chosen as a component of the bath composition which provides soluble nickel ions and chloride ions.
The buying team will typically assess:
Nickel content and Assay
Solubility and dissolution characteristics
levels of impurities that can affect the coating
Consistent from batch to batch
Continuity of supply and integrity of packaging
Selecting the right material that meets the plating process requirements will allow the facility to have more control over bath composition and production consistency. Final coating performance still depends on the entire formulation and process control.
A catalyst manufacturer needs a soluble nickel precursor for a supported catalyst preparation process.
Nickel chloride hexahydrate can be used to introduce nickel into a solution prior to deposition, impregnation or other suitable preparatory step.
The manufacturer must confirm that the purity and impurity profile of the salt is in compliance with the catalyst specification. Unwanted contaminants can affect downstream processing or catalyst performance.
The final catalyst should be tested with application-specific tests and not only with purity of the starting material.
A research laboratory is developing a nickel-containing coordination compound or evaluating a catalytic reaction.
Nickel chloride hexahydrate is a convenient source for Ni²⁺ ions for the preparation of solutions and for controlled experiments.
The laboratory may want a reagent grade product with a stated assay and documented limits of impurities. Proper labeling, traceability and storage controls are also important for reproducibility in research.
Nickel chloride hexahydrate is an important inorganic salt of nickel. It is used for electroplating, catalyst preparation, chemical synthesis, laboratory research. Its water-solubility and its ability to furnish nickel ions make it useful in a number of industrial processes.
