Zinc Sulfate

Feature Products

Name: zinc sulfate heptahydrate
Molecular formula: ZnSO4.7H2O
Quick Detail
CAS No.: 7446-20-0 Purity: 21%Zn Type: crystal
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Product Description

Name: zinc sulfate heptahydrate
Molecular formula: ZnSO4.7H2O
Quick Detail
CAS No.: 7446-20-0 Purity: 21%Zn Type: crystal
Properties: White granular or powder, orthorhombic crystal, there are convergence, in the dry air will be pulverized. 3 0 lose heat to the part of crystal water, 100 when the loss of six molecules of crystal water, 280 when the loss of seven molecules of crystal water, 767 decomposes into ZnO and SO3. Soluble in water, slightly soluble in ethanol and glycerol. Need airtight preservation.
Uses: mainly used for manufacturing other zinc salts of barium and zinc raw materials, viscose fiber and is an important auxiliary vinylon fiber raw material, also used as a mordant dyeing, wood and leather preservatives, glue clarification and preservative, medicine emetic and fungicides, in agriculture as a trace element fertilizers.
Republic of China Chemical Industry Standard HG/T2326-2005

Indicator content of (Zn) total mass fraction,% 22.51 22.06 20.92
To (ZnSO4.H2O) total mass fraction,% - - 
To (ZnSO4.7H2O) total mass fraction,% 99.0 97.0 92.0
Insoluble mass fraction,% 0.020 0.050 0.10
pH value (50 / g solution) 3.0 3.0 
Chloride (CI meter) mass fraction,% 0.20 0.60 
Lead (Pb) mass fraction,% 0.001 0.010 0.010
Iron (Fe) the mass fraction,% 0.003 0.020 0.060
Manganese (Mn) of the mass fraction,% 0.005 0.10 
Cadmium (Cd) mass fraction,% 0.001 0.010 

Packaging Detail:in small bags or jumbo bags; bags with inner liner; net weight in 25kg/50kg/50lb/2000lb/1000kg/1100kg/1200kg/40*25kg, etc; to be shrinkwrapped on pallets or loose in container.
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