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Zinc Sulphate Heptahydrate 21% Zn
Chemical Formula: ZnSO₄·7H₂O

Zinc Sulphate

Zinc Sulphate Heptahydrate (Agro / Tech Grade)

A water-soluble, transparent, crystalline compound. It serves as a vital micronutrient fertilizer, correcting zinc deficiency in crops like paddy, wheat, and maize. Also essential for animal feed and chemical synthesis.

CAS Number 7446-20-0
H.S. Code 28332990
Appearance White Crystalline Powder

Product Overview

Zinc Sulphate Heptahydrate is the primary source of Zinc in agriculture. Zinc is an essential micronutrient for plants, crucial for the production of growth hormones and chlorophyll. Ruvon International supplies high-quality Heptahydrate (21% Zn) grade which dissolves easily in water, making it suitable for both soil application and foliar sprays.

Beyond agriculture, it is used in the manufacturing of rayon fiber, lithopone pigments, and as a mordant in dyeing. Our product is free-flowing and has very low heavy metal content, making it safe for diverse applications.

Technical Specifications (COA)

Zinc Content (as Zn) 21.0% Min
Sulphur Content (as S) 10.0% Min
pH (5% Solution) 4.0 - 6.0
Water Insoluble Matter 0.10% Max
Iron (Fe) 0.005% Max (50 ppm)
Lead (Pb) 0.003% Max (30 ppm)
Cadmium (Cd) 0.001% Max (10 ppm)
Arsenic (As) 0.001% Max (10 ppm)
Chlorides (Cl) 0.10% Max
Appearance White Crystalline Powder
The "Enzyme Activator"

Zinc acts as a functional cofactor for over 300 enzymes in plants. It is critical for the synthesis of Auxin (indoleacetic acid), a key hormone that regulates plant growth and stem elongation. Without sufficient Zinc, crops suffer from stunted growth, "Khaira" disease (in rice), and poor root development. Ruvon's Zinc Sulphate ensures rapid correction of these deficiencies, boosting yield and grain quality.

Industrial & Agricultural Uses

Agriculture

Micronutrient fertilizer for soil application and foliar spray.

Animal Feed

Zinc supplement in cattle and poultry feed for healthy growth.

Rayon Fiber

Used in the precipitating bath in viscose rayon manufacturing.

Pigments

Raw material for Lithopone (white pigment) production.

Chemical Synthesis

Electrolyte for zinc plating and as a laboratory reagent.

Water Treatment

Used as a corrosion inhibitor in cooling towers.

Packaging Options

25kg HDPE Bags

Standard laminated bags with inner liner.

50kg Bags / Jumbo

Bulk packing options for large scale consumers.

Safety & Handling Protocols

Environmental Hazard

Zinc Sulphate is very toxic to aquatic organisms with long-lasting effects. Prevent release to the environment.

  • Health: Harmful if swallowed. Causes serious eye damage. Wear eye protection.
  • Storage: Keep containers tightly closed. Store away from incompatible materials.
  • Disposal: Dispose of contents/container in accordance with local regulations. Do not wash into drains.

Request a Quote for
Zinc Sulphate

Fill out the form to get the latest price (FOB/CIF) and delivery lead time. Our team typically responds within 4 hours.

Minimum Order Quantity: 25 MT (1 FCL)
Sample Available on Request

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