Copper(II) Sulfate Pentahydrate
1. Basic Product Info
IUPAC Name: Copper(II) Sulfate Pentahydrate
Common Aliases: Blue Vitriol, Bluestone, Cupric Sulfate Pentahydrate
CAS No.: 7758-99-8
EINECS/EC No.: 231-847-6
Molecular Weight: 249.68 g/mol
HS Code: 28332500
2. Product Description
It is bright blue, odorless crystalline granular solid with stable chemical properties. Easily soluble in water and glycerin, slightly soluble in methanol, practically insoluble in ethanol. Its aqueous solution is weakly acidic with distinctive blue color. Upon heating, it gradually loses crystal water and turns into white anhydrous copper sulfate powder. Our product features uniform crystal size, low impurity content and excellent free-flowing performance for industrial & agricultural bulk application.
3. Main Technical Specifications (Industrial Grade Standard)
Item Standard Index
Appearance Bright blue crystal/granule
CuSO₄·5H₂O Purity ≥98.0%
Copper Content (Cu) ≥25.0%
Iron (Fe) ≤0.20%
Lead (Pb) ≤100 ppm
Arsenic (As) ≤50 ppm
Cadmium (Cd) ≤20 ppm
Mercury (Hg) ≤0.5 ppm
4. Wide Application Fields
✅ Agriculture & Plant Protection
Used as broad-spectrum fungicide, bactericide and algaecide; main raw material of Bordeaux mixture to prevent fruit tree, vegetable and crop fungal diseases; soil copper trace element fertilizer to supplement copper nutrition for plants.
✅ Animal Feed Additive
Essential trace copper supplement for livestock, poultry and aquaculture feed, promoting animal growth and improving immunity.
✅ Electroplating Industry
Copper plating electrolyte for electroplating copper layer on metal surfaces, improving coating adhesion and brightness.
✅ Chemical & Raw Material
Basic raw material for manufacturing other copper salts, dye intermediates, printing and textile mordant; water treatment algaecide for swimming pools and industrial circulating water.
✅ Other Uses
Laboratory analytical reagent, mineral flotation agent, battery raw material, timber preservative and pigment auxiliary.
5. Packaging & Storage
Packing: 25kg woven bag with inner PE plastic bag; 1000kg jumbo bag; customized package available.
Storage: Seal and store in cool, dry and ventilated warehouse; keep away from moisture, strong acid and alkaline substances; avoid long-term exposure to sunlight.
6. Our Advantages
Stable large supply capacity, strict quality inspection with COA certification support, competitive factory direct price, flexible shipment and professional after-sales service for global bulk export orders.
