The chemical name for the compound with the formula NiSO₄ is Nickel(II) sulfate. This compound is a commonly encountered nickel salt, known for its various applications.
Understanding Nickel(II) Sulfate Nomenclature
Nickel(II) sulfate is identified by several names that reflect its chemical composition, specifically indicating that nickel is in a +2 oxidation state. The nomenclature also varies slightly based on regional spelling conventions.
Key Names and Identifiers
| Type of Name | Name |
|---|---|
| IUPAC Name | Nickel(II) sulfate |
| Other Names | Nickelous sulfate |
| Nickel (II) sulphate |
The term "sulfate" is predominantly used in American English, while "sulphate" is the preferred spelling in British English. Both refer to the same chemical entity.
Different Forms and CAS Numbers
Nickel(II) sulfate can exist in various hydrated forms, meaning it can bind with water molecules to form stable crystalline structures. Each distinct form is recognized by a unique CAS (Chemical Abstracts Service) Registry Number, which serves as a definitive identifier for chemical substances.
- Anhydrous Nickel(II) sulfate: This form contains no water molecules and has the CAS Number 7786-81-4.
- Nickel(II) sulfate hexahydrate: This form contains six water molecules per formula unit and is identified by CAS Number 10101-97-0.
- Nickel(II) sulfate heptahydrate: This form contains seven water molecules per formula unit, with the CAS Number 10101-98-1.
These different hydrated forms are often utilized in diverse industrial processes, such as electroplating, the manufacturing of nickel catalysts, and as a mordant in dyeing. For more comprehensive information, you can refer to the Nickel(II) sulfate Wikipedia page.
