Copper Sulfate (Copper  fertilizer)
　　Other name：Copper Sulfate Pentahydrate, bluestone, blue vitriol, copper vitriol
　　CAS No.: 7758-98-7
　　EINECS No.: 231-847-6
　　HS No.: 2833250000
　　UN No.: 3077
　　Molecular Formula: CuSO₄·5H₂O
　　Molecular weight：249.69.
　　Appearance: Blue crystal or powder.
　　2. Specifications:
　　Quality standards：GB437-1993

Item	Index
	Excellent grade	Qualified
CuSO4·5H2O , wt%≥	98.0	96.0
CuSO4·5H2O (as Cu2+), wt%≤	24.94	24.43
Acidity (as H2SO4) ,wt%≤	0.1	0.2
Insoluble Matters, wt%≤	0.2	0.2

　　3. Packaging: Net 25kg in plastic lined woven bag. can also package according to customer request
　　4. Uses: Mainly used for fruit trees, fish pond in agricultural insecticidal, sterilization, etc.
　　5. Storage: Stored in cool and ventilated, avoid light place.
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