Copper sulfate monohydrate (CuSO₄·H₂O):

Index name	Index	Index name	Index
Main assay %≥	98	Pb %≤	0.0012
Cu %≥	35	Water insoluble matter %≤	0.25
As %≤	0.006	Free acid %≤	0.15

Properties: light blue powdery crystal

Uses: used as feed additive, etc.

Anhydrous Copper sulfate (CuSO₄)

Index name	Index
Cu %≥	37.5
Water insoluble matter %≤	0.35
Free acid (H2SO4)%≤	0.25

Properties: Molecular weight: 159.68, Anhydrous Copper sulfate is milky white or slight red powder/

Uses: Anhydrous Copper sulfate is the material of other cupric salts. It is mainly used as material of antifouling paint in boat bottom, drier and catalyst.

Copper sulfate pentahydrate (CuSO₄.5H₂O)

Index name	Agricultural grade	Feed grade
Main assay %≥	96	98
Pb %≤	-	0.001
Free acid %≤	0.2	0.1
As %≤	-	0.0004
Water insoluble matter %≤	0.2	0.2

Properties: Molecular weight: 249.68, blue transparent crystal.

Uses: Copper sulfate (blue vitriol; bluestone; chalcanthite). It can be used as mordant in the dyeing and printing of cotton and silk, or used in green/blue pigments; moreover, it can be used as insecticide, bactericide of water, antiseptic of wood, or used in tannage, plating of copper, battery, curving and catalyst. In addition, it also can be used in ore dressing, coat paint and other chemical materials.

Packing:plastic bag lined plastic woven bag , Net wet 25kg or 50kg