Nickel(II) sulfate hexahydrate
Nickel(II) sulfate hexahydrate (CAS: 10101-97-0) is a blue crystalline solid with the chemical formula NiSO4 · 6H2O and a molecular weight of 262.85 g/mol. It is a vital inorganic salt used extensively in electroplating, as a catalyst in organic synthesis, and in the production of nickel-based batteries. Its properties make it an essential reagent in various industrial and laboratory applications requiring a reliable source of nickel ions.

Electroplating
Nickel(II) sulfate hexahydrate serves as a primary component in nickel electroplating baths, providing a bright, corrosion-resistant finish on various metal and plastic surfaces.
Catalysis
It functions as a catalyst or precursor for nickel catalysts in numerous organic reactions, including hydrogenation and cross-coupling processes, facilitating chemical transformations.
Battery Manufacturing
This compound is a key ingredient in the manufacturing of nickel-based batteries, contributing to their electrochemical performance and longevity.
Chemical Synthesis
Used as a reagent in laboratory and industrial chemical synthesis for the introduction of nickel into various compounds and materials.
Pigment Production
It can be employed in the production of certain pigments and colourants, contributing specific hues and properties.
| Molecular weight | 262.85 |
|---|---|
| Linear formula | NiSO4 · 6H2O |
| Assay | 98.0-102.0% (ACS specification)99% |
| Grade | ACS reagent |
| Vapour density | 2.07 (vs air) |
| Impurities tested | ≤0.002% N compounds≤0.005% insolubles |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
- H341Suspected of causing genetic defects
- H350I
- H360D
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 49-61-20/22-38-42/43-48/23-50/53-68 |
| Safety statements (S) | 53-45-60-61 |
| 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% |
| Anion traces | chloride (Cl-): ≤0.001% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Nickel(II) sulfate hexahydrate used for?
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Nickel(II) sulfate hexahydrate is primarily used in electroplating, as a catalyst in chemical synthesis, in the manufacturing of nickel-based batteries, and as a reagent in inorganic chemistry.
What are the CAS number and chemical formula for Nickel(II) sulfate hexahydrate?
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The CAS number is 10101-97-0, and its chemical formula is NiSO4 · 6H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Nickel(II) sulfate hexahydrate in ACS reagent grade with an assay of 98.0-102.0% (ACS specification) or 99%. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling Nickel(II) sulfate hexahydrate?
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Nickel(II) sulfate hexahydrate is classified with danger signals, posing hazards including being harmful if swallowed or inhaled, causing skin irritation, allergic skin reactions, respiratory irritation, genetic defects, cancer, and harm to unborn children, and is toxic to aquatic life with long-lasting effects. Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area.
How is Nickel(II) sulfate hexahydrate packaged and exported?
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Product is packaged according to international shipping regulations for hazardous materials (UN 3077, Class 9, PGIII) and exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team through the website or by calling our office directly.
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