Copper Sulfate
　　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
　　1. Appearance: Blue crystal or powder.
　　2. Specifications:
　　2.1 Copper Sulfate Industry / Agricultural Grade
　　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

　　2.2.Copper Sulfate Feed grade
　　Quality standards：HG2932-1999

Item	Index
CuSO4·5H2O , wt%≥	98.5
CuSO4·5H2O as Cu,%≥	25.06
Insoluble Matters, wt%≤	0.2
Lead (Pb) , wt%≤	10
Arsenic(As) , wt%≤	5
Fineness （by 800um screen）,wt%≥	95

　　2.3、Copper Sulfate Food grade    
　　Quality standards：HG29210-2012

Item	Index
CuSO4·5H2O , wt%≥	98.0-102.0
Insoluble Matters in H2S, wt%≤	0.3
Iron（Fe）, wt%≤	0.01
Lead (Pb) , wt%≤	4
Arsenic(As) , wt%≤	3

　　3. Packaging: Net 25kg in plastic lined woven bag, can also package according to customer request
　　4. Uses: Copper sulfate in the chemical industry is one of the important raw materials used for producing other copper salt, mainly used for fruit trees, fish pond in agricultural insecticidal, sterilization, etc. Widely used in feed industry, fertilizer industry, chemical industry, electroplating industry, mineral processing industry, pharmaceutical industry, veterinary industry and pesticide industry.
　　5. Storage: Stored in cool and ventilated, avoid light place.
　　Welcome to contact u