Inorganic Compound Feed Fertilizer Supplement Zinc Sulfate Heptahydrate CAS 7446-20-0
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Product Description
Zinc sulfate heptahydrate, with the chemical formula ZnSO4·7H2O, commonly known as zinc sulfate or zinc sulfate, is an inorganic compound. It is a white crystalline powder, soluble in water, slightly soluble in ethanol, dehydrated when heated to 200°C, and decomposed at 770°C.
Physical properties
The physical properties of zinc sulfate heptahydrate include:
Appearance: colorless to white crystalline solid
Density: 1.957 g/cm³
Melting point: 100°C
Boiling point: 500°C
Solubility: soluble in 960 g/L water at 20°C, 663.6 at 100°C g/100ml water
Stability: easily soluble in water, slightly soluble in ethanol and glycerin, weathering in dry air
Chemical properties
The chemical properties of zinc sulfate heptahydrate include:
Dehydration upon heating: lose one molecule of crystal water when heated to 200°C, lose seven molecules of crystal water when heated to 280°C, and decompose into zinc oxide and sulfur trioxide at 767°C2
Toxicity: harmful if swallowed, serious damage to eyes, highly toxic to aquatic organisms, and may have long-term adverse effects on the aquatic environment
Uses
Zinc sulfate heptahydrate has a wide range of uses, including:
Mordant: used in the textile industry to fix dyes on fibers
Wood preservative: prevent wood from decaying and being infested with insects
Papermaking industry: as a bleaching agent and enhancer
Medicine: used in medical emetics and fungicides
Agriculture: as a trace element fertilizer to promote plant growth
Preparation method
Zinc sulfate heptahydrate can be prepared by the following methods:
Waste battery preparation: peel off the zinc skin of the battery and wash it, add concentrated sulfuric acid to heat and evaporate and crystallize to obtain zinc sulfate heptahydrate2
Industrial production: prepared by pulverizing, removing iron, acidifying and other steps of zinc oxide ore (mainly composed of ZnO) 4
Zinc sulfate heptahydrate has a wide range of applications in industry and agriculture and is an important inorganic compound.
Product Parameters
| Zinc Sulphate Monohydrate ZnSO4.H2O Analisis | |
| Test Items | Standard |
| Appearance | White free flowing powder or granules |
| ZnSO4.H2O (%) | ≥ 98.0 or as customer requirement |
| Zn (%) | ≥ 35.0 or as customer requirement |
| Cd | 10ppm Max |
| Pb | 10ppm Max |
| As | 5ppm Max |
| Water Insoluble matter | 0.05% Max |
Detailed Photos
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Application
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It depends on the order quantity and the season you place the order.
4.Can I get a sample to check quality ? is there any fee for it ?
You can get our free samples, but you need to pay the freight
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Always a pre-production sample for your approval before mass production;
Always final lnspection before ship.
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