Copper Sulfate (CAS 7758-99-8) is the pentahydrate copper salt, a blue crystalline compound supplied as fine blue crystals that dissolve readily in water to release copper ions, and it is used in agriculture as a fungicide and micronutrient and in water treatment as an algicide.
Typical Properties
| Molecular formula | Cu.H2O4S.5H2O |
|---|---|
| Molecular weight | 249.68 g/mol |
| Form | Solid |
| Color | fine blue crystals |
| Odor | blue cryst. or cryst. gran. or powd., odorless |
| Melting point | 110 °C (decomp) |
| Density | 2.286 g/cm³ @ Temp: 15.6 °C |
| Water solubility | 320 g/L (20 °C) |
| pH | 3.5-4.5 (25°C, 50mg/mL in H2O) |
| GHS signal word | Danger · Corrosive, Irritant / harmful, Health hazard, Environmental hazard |
| HS code | 28332500 |
| 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 Sulfate
Applications
Used in agriculture as a fungicide and micronutrient, in electroplating, and as an algicide in water treatment. Also serves as a catalyst in organic synthesis.
Safety & Risks
Harmful if swallowed and toxic to aquatic organisms. Use PPE and avoid environmental release.
Packaging
25–50 kg polyethylene-lined bags. Store dry and segregated from reducing agents.