Zinc sulphate heptahydrate is used in chemical manufacturing agriculture and industrial applications.
Zinc Sulphate Heptahydrate (ZnSO₄·7H₂O) is a crystalline, water-soluble compound commonly known as white vitriol, widely used across various industries, including agriculture, pharmaceuticals, and manufacturing.
Physical and Chemical Properties
Zinc Sulphate Heptahydrate is a stable compound under normal conditions but is prone to moisture absorption in humid environments, which may require specific storage conditions.
Appearance: A colorless to white crystalline solid, granules, or powder.
Odor: Odorless.
Chemical Formula: ZnSO₄·7H₂O.
Molar Mass: 287.53 g/mol (heptahydrate).
Solubility: Highly or freely soluble in water.
pH: An aqueous solution has a pH range of 4.0–6.0 at 50 g/l at 20 °C.
Key Applications
This versatile compound serves as an essential source of zinc ions in a multitude of applications.
Agriculture: Used as a micronutrient in fertilizers and foliar sprays to correct zinc deficiencies in crops and enhance growth and yield.
Animal Nutrition: A key additive in animal feed to promote healthy metabolism, boost immunity, and support growth in livestock.
Pharmaceuticals & Medicine: An ingredient in dietary supplements to treat zinc deficiency in humans. It is also used in oral rehydration solutions to treat dehydration and as an astringent in topical skin treatments.
Industrial Processes: Employed in electroplating to provide a protective, corrosion-resistant zinc layer on metals, as a coagulant in rayon production, and as a dye fixative in the textile industry.
Water Treatment: Used as a flocculating and clarification agent to remove impurities from water and for algae control in reservoirs.
Cosmetics & Skincare: Its antimicrobial properties make it an ingredient in anti-dandruff shampoos, acne treatments, and other personal care products.
Where to Purchase (South Africa)
Several suppliers offer Zinc Sulphate Heptahydrate in South Africa, often catering to specific grades and quantities:
Essential Products: Offers Zinc Sulphate Heptahydrate AR -500g (Analytical Reagent grade) for R600.00.
Agrimark: Sells Omnia Zinc Sulphate (WS) (HEPTA) 25kg, primarily available for in-store purchase.
Reflecta Laboratories: Provides Zinc Sulphate 25kg in bulk quantities.
Masiye Labs: Offers Zinc Sulfate Heptahydrate CP 500g (Chemically Pure grade) for R191.00.
Experilab: Sells Zinc Sulphate 50g for R22.00.
G3Chem: Provides various options for Zinc Sulphate Heptahydrate online.
