Copper Nitrate
Cupric Nitrate
- CAS
- 3251-23-8
- EC
- 221-838-5
- Sectors
- Mining & Metals, Textiles, Leather & Paper, Building & Construction
Copper Nitrate (CAS 3251-23-8) is a blue-green crystalline oxidizing salt, the trihydrate form of cupric nitrate, used for chemical synthesis, metal surface finishing, ceramics, catalyst preparation and textile dye fixation. It decomposes on heating to produce nitrogen oxides and copper oxide.
Typical Properties
| Molecular formula | Cu.2HNO3 |
|---|---|
| Molecular weight | 187.56 g/mol |
| Appearance | blue crystalline solid |
| Form | blue-green orthorhombic crystals |
| Color | blue-green orthorhombic crystals, crystalline; hygroscopic |
| Melting point | 255-256 °C |
| Density | 3.05 g/cm³ |
| Water solubility | Soluble |
| GHS signal word | Danger · Oxidizing, Corrosive, Acute toxicity, Irritant / harmful, Environmental hazard |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Copper Nitrate
Applications
Used in ceramics, catalyst preparation, and textile dye fixation. In laboratories, it serves as an oxidant and analytical reagent. It is also used for wood treatment and pyrotechnic compositions.
Safety & Risks
An oxidizer and irritant; avoid contact with organics and heat sources. Toxic if swallowed or inhaled. Handle under dry, ventilated conditions.
Packaging
25 kg polyethylene-lined fiber drums. Store in cool, dry areas away from flammable materials and reducing agents.