![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Copper_sulfate.jpg/640px-Copper_sulfate.jpg&w=640&q=50)
Copper(II) sulfate
chemical compound / From Wikipedia, the free encyclopedia
Copper(II) sulfate, also known as cupric sulfate, copper sulfate, blue vitriol,[1] or bluestone,[1] is a chemical compound. Its chemical formula is CuSO4. It contains copper in its +2 oxidation state. It also contains sulfate ions. It is a blue solid that can kill fungi. It is also used to purify copper metal. It is common in chemistry sets and chemistry demonstrations, and practical lessons at high school.
More information General, Properties ...
Copper(II) sulfate | |
---|---|
![]() | |
![]() | |
General | |
Systematic name | copper(II) sulfate |
Other names | cupric sulfate, copper sulfate, chalcanthite, blue vitriol, bluestone |
Molecular formula | CuSO4 |
Molar mass | 159.60 g/mol (anhydrous) |
Appearance | blue solid crystals when hydrated, white solid when anhydrous |
CAS number | 7758-98-7 |
Properties | |
Density and phase | 3.603 g/cm³ (anhydrous), 2.284 g/cm³ (hydrated) |
Solubility in water | 31.6 g/100 ml (0°C) |
Solubility in ethanol | insoluble, both forms |
Solubility in methanol | hydrate is soluble |
Melting point | 150°C (423 K) dehydrates, 650°C decomp. |
Structure | |
Coordination geometry |
octahedral |
Crystal structure | triclinic |
Hazards | |
MSDS | MSDS Archived 2022-04-24 at the Wayback Machine |
Main hazards | (Xn) Harmful (Xi) Irritant (N) Dangerous for the environment |
NFPA 704 | |
R/S statement | R: R22, R36/38, R50/53 S: S2, S22, S60, S61 |
Related compounds | |
Other anions | Copper(II) chloride, Copper(II) oxide |
Other cations | Sodium sulfate, Manganese sulfate, Iron(II) sulfate |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Disclaimer | |
Close