Nickel(II) sulfate heptahydrate
Nickel(II) sulfate heptahydrate (CAS: 10101-98-1), with the linear formula NiSO <sub>4</sub> · 7H <sub>2</sub>O and a molecular weight of 280.86 g/mol, presents as blue crystals. This inorganic salt is a key compound utilised in electroplating, particularly for nickel plating of metals and plastics, providing corrosion resistance and decorative finishes. It also finds application in the production of catalysts and as a mordant in dyeing textiles.
Electroplating
Nickel(II) sulfate heptahydrate is extensively used in the electroplating industry to deposit a layer of nickel onto various substrates. This process enhances corrosion resistance, wear resistance, and provides an aesthetically pleasing decorative finish.
Catalyst Production
This compound serves as a precursor in the synthesis of nickel-based catalysts. These catalysts are vital in numerous chemical reactions, including hydrogenation and petroleum refining processes.
Mordant in Dyeing
In the textile industry, nickel(II) sulfate heptahydrate functions as a mordant, helping to fix dyes to fabrics. This improves the colourfastness and durability of dyed materials.
Materials Science
It is employed in materials science research for developing novel nickel-containing materials and coatings, leveraging its specific chemical and physical properties.
| Molecular weight | 280.86 |
|---|---|
| Linear formula | NiSO4 · 7H2O |
| Assay | 99.999% trace metals basis |
| Form | crystals and lumps |
| Density | 1.948 g/mL at 25 °C(lit.) |
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 | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (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 |
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 heptahydrate used for?
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Nickel(II) sulfate heptahydrate is primarily used in electroplating to provide corrosion resistance and decorative finishes, in the production of nickel-based catalysts for chemical reactions, and as a mordant in textile dyeing.
What is the CAS number and formula for Nickel(II) sulfate heptahydrate?
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The CAS number for Nickel(II) sulfate heptahydrate is 10101-98-1, and its linear formula is NiSO <sub>4</sub> · 7H <sub>2</sub>O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Nickel(II) sulfate heptahydrate with an assay of 99.999% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Nickel(II) sulfate heptahydrate be handled safely?
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Nickel(II) sulfate heptahydrate is dangerous to health and the environment. It can cause skin irritation, allergic skin reactions, respiratory irritation, and is suspected of causing genetic defects, cancer, and damage to fertility or the unborn child. It is also very toxic to aquatic life with long-lasting effects. Always wear appropriate personal protective equipment, including dust masks (N95), eyeshields, face shields, gloves, and P2 respirator cartridges. Handle in a well-ventilated area and avoid dust formation. Refer to the Safety Data Sheet for comprehensive handling instructions.
How is Nickel(II) sulfate heptahydrate packed and exported?
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Nickel(II) sulfate heptahydrate is packed and exported according to international shipping regulations for hazardous materials, classified under UN 3077, Class 9, Packing Group III.
How can I request a sample or quote for Nickel(II) sulfate heptahydrate?
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To request a sample or a quotation for Nickel(II) sulfate heptahydrate, please contact our sales department via the website or by phone, providing your specific requirements.
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