Copper Sulfate Pentahydrate
Cupric Sulfate Pentahydrate
- CAS
- 7758-99-8
- EC
- 616-477-9
- Sectors
- Agriculture, Water & Wastewater Treatment
Copper Sulfate Pentahydrate (CAS 7758-99-8) is a bright blue crystalline copper salt carrying five molecules of water of crystallization that dissolves in water to release copper ions with strong biocidal activity; it is used as a fungicide, herbicide and micronutrient fertilizer and in industrial wastewater treatment.
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 Pentahydrate
Applications
Used as a fungicide, herbicide, and micronutrient fertilizer; in electroplating baths and industrial wastewater treatment. It also serves as a laboratory reagent and pigment source.
Safety & Risks
Toxic if ingested and dangerous to aquatic life. Avoid skin contact and inhalation of dust. Use protective clothing and segregate storage from acids.
Packaging
25–50 kg polyethylene-lined bags or big bags. Store sealed, cool, and dry to prevent efflorescence and clumping.