Copper(II) nitrate trihydrate
Copper(II) nitrate trihydrate (CAS: 10031-43-3), with the molecular formula Cu(NO3)2 · 3H2O and a molecular weight of 241.60 g/mol, is a crystalline solid. It is commonly employed as a catalyst in organic synthesis, as an oxidising agent, and in the preparation of other copper compounds. This compound serves as a vital reagent in various chemical processes and laboratory research applications.
- IUPAC
- Cupric nitrate trihydrate
- Synonyms
- Cupric nitrate trihydrate

Catalysis in Organic Synthesis
Copper(II) nitrate trihydrate acts as an effective catalyst in numerous organic transformations, facilitating reactions such as cross-couplings and oxidations.
Preparation of Copper Compounds
It serves as a precursor for synthesising other copper-based chemicals and materials utilized in diverse industrial and research settings.
Oxidising Agent
The compound functions as a mild oxidising agent in specific chemical reactions, contributing to the controlled oxidation of organic substrates.
Laboratory Reagent
In laboratory settings, it is widely used as a standard reagent for analytical procedures and experimental chemistry due to its predictable reactivity.
| Molecular weight | 241.60 |
|---|---|
| Linear formula | Cu(NO3)2 · 3H2O |
| Assay | 98.0-103% (RT) |
| Grade | LRVetec™ |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P220Keep away from clothing and combustible materials
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-38-41-50/53 |
| Safety statements (S) | 26-39-60-61 |
| Cation traces | Ca: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgFe: ≤50 mg/kgK: ≤100 mg/kgNa: ≤100 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg |
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 Copper(II) nitrate trihydrate used for?
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Copper(II) nitrate trihydrate is primarily used as a catalyst in organic synthesis, as an oxidising agent, and for the preparation of other copper compounds. It is also a common laboratory reagent.
What are the CAS number and formula for Copper(II) nitrate trihydrate?
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The CAS number for Copper(II) nitrate trihydrate is 10031-43-3 and its chemical formula is Cu(NO3)2 · 3H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Copper(II) nitrate trihydrate in LR grade with an assay of 98.0-103%. This product is not represented as USP, BP, or EP grade.
How should Copper(II) nitrate trihydrate be handled safely?
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Copper(II) nitrate trihydrate is classified as Dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and is very toxic to aquatic life with long lasting effects (H410). Appropriate personal protective equipment, including gloves and eye protection, should be worn. Ensure adequate ventilation and avoid release to the environment.
Is Copper(II) nitrate trihydrate a controlled substance?
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Based on the provided data, Copper(II) nitrate trihydrate is not listed as a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports chemicals globally, adhering to all relevant safety and regulatory standards for hazardous materials.
How can I request a quote or sample?
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To request a quote or sample of Copper(II) nitrate trihydrate, please contact our sales team via the website or direct inquiry channels.
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