The chromium centres are bound to a number of 6 water ligands, and the remaining volume of the solid is attained by the 3 nitrate anions and 3 molecules of water of the crystallization process.
| Properties of Chromium III Nitrate | |
| Chromium III Nitrate Name | Chromium III Nitrate |
| Chromium III Nitrate Other Names | Nitric acid, Chromium (3+) salt |
| Chromium III Nitrate Appearance | Blue-violet crystals |
| Chromium III Nitrate Chemical Formula | Cr(NO3)3 (anhydrous) [Cr(H2O)6](NO3)3. 3H2O (nonahydrate) |
| Chromium III Nitrate Melting Point | 60.06 °C (nonahydrate) |
| Chromium III Nitrate Boiling Point | > 100 °C |
| Chromium III Nitrate Density | 1.85 g/cm3 |
| Chromium III Nitrate Molar Mass | 238.011 g/mol (anhydrous) 400.21 g/mol (nonahydrate) |
| Chromium III Nitrate Solubility in Water | Soluble |
Chromium(III) Nitrate Formula and Definition
Chromium(III) nitrate is a white crystalline solid with a characteristic odor. It’s a widely used compound in various applications, including chemistry and medicine.
Chemical Formula:
The chemical formula for chromium(III) nitrate is:
Cr(NO₃)₃
Structure:
Chromium(III) nitrate consists of one chromium ion (Cr³⁺) coordinated to three nitrate ions (NO₃⁻). The crystal structure of chromium(III) nitrate is orthorhombic.
Properties:
- White crystalline solid
- Characteristic odor
- Soluble in water and various organic solvents
Uses:
Chromium(III) nitrate has several applications, including:
- Production of dyes and pigments
- Medicine (as an antiseptic and disinfectant)
- Industry (as a solvent and cleaning agent)
Precautions:
- Handle with care due to its chemical properties and potential toxicity.
- Wear protective gloves and eyewear when handling chromium(III) nitrate.