About Zinc Sulphate Crystal
Zinc Sulphate Crystals Technical Description
Product Name: Zinc Sulphate Crystals
Chemical Name: Zinc Sulphate Heptahydrate
Chemical Formula: ZnSO7HO
Molecular Weight: 287.54 g/mol
CAS Number: 7446-20-0
EINECS No.: 231-793-3
Physical and Chemical Properties
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Appearance: White to colorless crystalline solid
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Odor: Odorless
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Taste: Astringent, metallic
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Solubility: Freely soluble in water; insoluble in alcohol
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pH (5% solution): 4.0 6.0
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Density: 1.97 g/cm
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Melting Point: Decomposes at 100C (loses water of crystallization)
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Stability: Stable under normal storage conditions; hygroscopic in nature
Chemical Characteristics
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Zinc Sulphate Crystals are an inorganic salt formed by the reaction of zinc oxide or zinc metal with sulphuric acid.
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Exhibits good chemical stability and high water solubility, making it suitable for liquid and solid formulations.
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Acts as a source of bioavailable zinc ions (Zn).
Typical Specifications
Applications
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Agriculture: Micronutrient fertilizer for zinc-deficient soils and crops
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Pharmaceuticals: Used in dietary supplements and medicinal formulations (pharma grade)
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Animal Feed: Zinc supplement for livestock nutrition
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Water Treatment: Coagulant and algae control agent
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Chemical Industry: Raw material in the manufacture of other zinc compounds
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Textiles & Leather: Mordant and processing agent
Packaging and Storage
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Packaging: HDPE bags, woven sacks with inner liners, or drums (25 kg / 50 kg)
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Storage Conditions: Store in a cool, dry, well-ventilated area; protect from moisture
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Shelf Life: 23 years under recommended storage conditions
Safety and Handling
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Avoid inhalation of dust and contact with eyes or skin.
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Use appropriate PPE (gloves, goggles, dust mask).
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Not classified as flammable; may cause irritation on prolonged exposure.
Versatile Applications Across IndustriesZinc Sulphate Crystal is essential in various sectors, serving as a key trace mineral in fertilizers, animal feed, and as an electrolyte in electroplating. Its analytical grade ensures suitability for laboratory processes, pharmaceuticals, and water treatment, providing flexibility in industrial and agricultural contexts.
Exceptional Purity and Quality AssuranceEach batch of Zinc Sulphate Crystal features a 99% minimum purity, low lead (less than 0.002%), and iron content (less than 0.01%). Its stable, free-flowing structure and high solubility guarantee consistent performance in all recommended uses.
Safe and Sustainable for the EnvironmentDesigned with safety in mind, this product poses no significant hazard to the environment at standard application concentrations. Its compliance with FCO fertilizer standards assures responsible usage, while the non-poisonous nature enhances user safety.
FAQ's of Zinc Sulphate Crystal:
Q: What are the primary uses of Zinc Sulphate Crystal?
A: Zinc Sulphate Crystal serves multiple functions, notably as a micronutrient in fertilizers for agriculture, as a source of zinc in animal feed, an electrolyte in electroplating, and as a laboratory reagent. It is also used in water treatment and certain pharmaceutical formulations.
Q: How should Zinc Sulphate Crystal be stored for maximum shelf life?
A: To preserve its quality, store the product in a cool, dry, and well-ventilated location. Always keep the packaging tightly sealed to prevent absorption of moisture, as the crystals are highly hygroscopic. When stored as recommended, its shelf life is up to two years.
Q: What safety precautions are necessary during handling?
A: Although non-poisonous at recommended concentrations, Zinc Sulphate Crystal may cause skin and eye irritation. It is advisable to use protective gloves and eyewear and avoid direct contact. Wash hands thoroughly after handling and adhere to standard safety protocols.
Q: Where is Zinc Sulphate Crystal typically applied within agriculture?
A: In agriculture, it is commonly applied to correct zinc deficiency in soil, acting as a trace element in fertilizers. Its use promotes healthy plant growth and increases crop yield. It also fortifies animal feed with essential zinc, supporting livestock health.
Q: What are the packaging options available for Zinc Sulphate Crystal?
A: The product is offered in 25 kg or 50 kg HDPE woven bags with an inner liner, and can also be supplied in jumbo bags upon request. This ensures convenient handling and protection from environmental factors during storage and transport.
Q: What benefits does Zinc Sulphate Crystal provide compared to other zinc compounds?
A: Zinc Sulphate Crystal boasts high solubility in water, rapid absorption in soil and feed, and exceptional purity. These features enhance its efficacy as a micronutrient, reagent, and industrial additive, making it a preferred choice over other forms of zinc supplementation.