Copper(II) sulfate pentahydrate

Molecular formula: CuSO₄·5H₂O
CAS Number: 10124-43-3
IUPAC Name: copper;dihydrate
Molecular Weight: 249.69g/mol
Melting Point: (Celsius)
Boiling Point: (Celsius)
Density: 2.2840g/cm3
Synonyms: copper, dihydrate

Interesting facts

Interesting Facts About Copper(II) Sulfate Dihydrate

Copper(II) sulfate dihydrate, commonly recognized by its striking blue color, is a fascinating chemical compound that has a variety of uses across different fields such as agriculture, chemistry, and even art. Here are some interesting insights about this compound:

1. Key Properties and Uses

Fungicide and Herbicide: Copper(II) sulfate dihydrate is widely used in agriculture as a fungicide to combat plant diseases. It helps in controlling various fungi and algae that can harm crops.
Blue Vitriol: It is often referred to as blue vitriol due to its vibrant blue crystalline form, making it a popular choice for educational demonstrations in chemistry.
Chemical Reagent: In laboratories, it serves as a significant reagent in various chemical reactions, particularly in electrochemistry and in determining the presence of reducing sugars.

2. Historical Significance

Copper(II) sulfate has a rich history, with applications dating back to ancient civilizations. It was used in the ancient world for:

Staining wood and textiles
Preserving animal skins
Medicinal uses

3. Safety and Environmental Considerations

While copper(II) sulfate dihydrate has beneficial uses, it’s crucial to handle it with care:

Toxicity: It can be toxic to aquatic life, so proper disposal and application methods should be followed.
Protective Gear: When working with this compound, it is advisable to wear protective gloves and eyewear, as it can cause irritation.

4. Fun Fact

The crystal structure of copper(II) sulfate dihydrate showcases beautiful blue crystals, which not only make it an educational tool for students studying crystallography but also a popular item among collectors of mineral specimens.