Cupric Sulfate

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Other name:

Copper Sulfate
Copper(II) Sulfate

copper sulphate
Copper sulfate pentahydrate
copper vitriol


CAS No.: 7758-99-8

Molecular Formula: 


Molecular Weight: 249.68

Characters: Blue or thorhombic crystal, density 2.284g/cm3. Cupric sulfate will gradually lose water at different temperatures. Cupric sulphate anhydrous is white powder; density: 3.603g/cm3; easily soluble in water, solubility in water at 25℃: 23.05g/100g of water, insoluble in ethanol and ether; high hydroscopicity.


Cupric Sulfate Export AR grade A.R. C.P. USP31 PCB grade Fine grade HG/T35921999 Electroplating Grade Feed grade
Assay(CuSO4?H2O)% ≥99.5 ≥99.0 ≥99.0 98.5-100.5 ≥99.0 ≥99.0 ≥98.5 ≥98.5
Copper(Cu) % ≥25.15 ≥25.15 ≥25.0 ≥25.0
Water insoluble% ≤0.003 ≤0.005 ≤0.01 ≤0.005 ≤0.02 ≤0.005 ≤0.2
Chlorides (Cl) % ≤0.0005 ≤0.001 ≤0.002 ≤0.002 ≤0.02 ≤0.001
Total Nitrogen(N)% ≤0.002 ≤0.001 ≤0.003 ≤0.001 ≤0.001 ≤0.001
Lead (Pb)% ≤0.005 ≤0.005 ≤0.005 ≤0.001
Iron (Fe)% ≤0.002 ≤0.003 ≤0.020 ≤0.003 ≤0.005 ≤0.01 ≤0.005
Sodium (Na)% ≤0.005 ≤0.005 ≤0.015 ≤0.02 ≤0.005
Potassium (K)% ≤0.001 ≤0.001 ≤0.004 ≤0.01 ≤0.001
Nickel (Ni)% ≤0.002 ≤0.005 ≤0.015 ≤0.005 ≤0.0005 ≤0.005 ≤0.0005
Calcium (Ca)% ≤0.001 ≤0.005 ≤0.0005
Antimony (Sb)% ≤0.006 ≤0.006
Arsenic (As)% ≤0.0001 ≤0.0005 ≤0.0004
Magnesium (Mg) % ≤0.001
Loss on drying% 33.0-36.5
PH(5%20℃) 3.8-4.5 3.5-4.5 3.5-4.5 3.5-4.5  
Organic volatiles Pass
Zinc (Zn)% ≤0.002 ≤0.03 ≤0.06 ≤0.02 ≤0.03 ≤0.002
Fineness(60-mesh sieve residue) % ≤5

Product Usage: It is used in trace mineral supplement, bactericides, beneficiation reagent, dye mordant etc. And it's mainly used in acid copper electro-plating.Suitable for PCB,electronic components and parts,plastic Electro-plating on top quality,even for high-precision electronic products,such as semi-conductor.

Packaging: 25Kg woven bag with double PE liners

Storage Precautions: Stored in draughty and dry warehouse. Packing bag must be tied tightly to prevent dampness

Cupric Sulfate

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