Nickel(II) peroxide hydrate
Nickel(II) peroxide hydrate (CAS: 86676-91-7, NiO2 · xH2O) is an inorganic compound featuring nickel in an oxidised state. This compound is recognised for its potential applications in alternative energy, particularly in battery electrode materials, and serves as a valuable reagent in chemical synthesis and catalysis. Its oxidative properties also position it as a significant material in inorganic chemistry research and development.

Battery Electrode Materials
Nickel(II) peroxide hydrate is explored for its electrochemical properties, making it a candidate material for use in battery electrodes. Its composition can contribute to energy storage capabilities.
Catalysis
This compound can function as a catalyst or a catalyst precursor in various chemical reactions. Its nickel content and oxidative state are key to its catalytic activity in inorganic synthesis.
Chemical Synthesis
As a reagent, Nickel(II) peroxide hydrate is employed in the synthesis of other nickel-containing compounds and complex inorganic structures. It acts as a source of oxidised nickel.
Oxidizing Agent
Its peroxide nature confers strong oxidizing properties, useful in specific chemical processes where controlled oxidation is required. This characteristic is also relevant in materials science research.
| Molecular weight | 90.69 (anhydrous basis) |
|---|---|
| Empirical formula | NiO2 · xH2O |


Hazard statements
- H317May cause an allergic skin reaction
- H350I
- H372Causes damage to organs through prolonged exposure
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
| 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 1483 5.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 49-43-48/23-53 |
| Safety statements (S) | 53-45-61 |
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) peroxide hydrate used for?
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Nickel(II) peroxide hydrate is used in applications such as battery electrode materials, catalysis, chemical synthesis, and as an oxidizing agent.
What is the CAS number and formula for Nickel(II) peroxide hydrate?
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The CAS number is 86676-91-7 and the formula is NiO2 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Nickel(II) peroxide hydrate as a technical or research grade material. We do not represent it as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated.
How should Nickel(II) peroxide hydrate be handled safely?
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Nickel(II) peroxide hydrate is a hazardous substance. It can cause skin sensitisation, is suspected of causing cancer by inhalation, causes damage to organs through prolonged or repeated exposure, and may cause long lasting harmful effects to aquatic life. Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, is essential. Handle in a well-ventilated area, and avoid exposure.
How is Nickel(II) peroxide hydrate shipped and exported?
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Nickel(II) peroxide hydrate is classified under UN 1483, Packing Group II, with a hazard class of 5.1. Tech Serve Solutions can arrange for its export, adhering to all relevant international shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of Nickel(II) peroxide hydrate, please contact our sales team through the website or provide your details via the product inquiry form.
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