Zinc Sulphate
- CAS Number: 7446-19-7; 7446-20-0
- EINECS NO.: 231-793-3
- Molecular Formula: ZnSO4
- Hydrates: Commonly found as heptahydrate(ZnSO4·7H2O) or monohydrate(ZnSO4·H2O)
- Purity (%): Varies depending on the grade and application.
- Appearance: White crystalline powder or granules.
- Packing: Available in various packaging options such as bags, drums, or bulk containers.
- Other Name: White Vitriol; Zincate; White Copperas; Zinc Vitriol; Zinc(II) sulfate
Zinc Sulphate Specification
| ITEMS | SPECIFICATIONS |
| Content of （ZnSO4.H2O) | 98%min. |
| Content of Zinc | 35.7%min |
| Water insoluble matter | 0.02%max. |
| Chlorides(CL) | 0.2%max. |
| pH (5% solution) | 4.0 Min |
| Cadmium(Cd) | 0.002%max |
| Heavy Metal(Pb) | 20ppm max |
| ITEMS | SPECIFICATIONS |
| Content of （ZnSO4.H2O) | 99%min. |
| Content of Zinc | 22.51%min |
| Water insoluble matter | 0.02%max. |
| Chlorides(CL) | 0.2%max. |
| pH (5% solution) | 3.0 Min |
| Cadmium(Cd) | 0.001%max |
| Heavy Metal(Pb) | 10ppm max |
| ITEMS | SPECIFICATIONS |
| Content of （ZnSO4.H2O) | 99.0%-100.5% |
| Acidity | Pass Test |
| Cd | 2ppm maz |
| Pb | 4ppm max |
| Hg | 1ppm max. |
| Se | 30ppm max |
| As | 3ppm max |
| ITEMS | SPECIFICATIONS |
| Content of （ZnSO4.H2O) | 99.0%-108.7% |
| Acidity | Pass Test |
| Cd | 2ppm maz |
| Pb | 4ppm max |
| Hg | 1ppm max. |
| Se | 30ppm max |
| As | 3ppm max |
Selection Guide: Monohydrate vs. Heptahydrate
Choosing the correct hydration state is essential for optimizing logistics and application efficiency.
1. Zinc Sulphate Monohydrate
The industry standard for export. Its higher zinc concentration (35%) means lower shipping costs per unit of nutrient. It is widely used in granular fertilizer blending and animal feed additives.
2. Zinc Sulphate Heptahydrate
Commonly used in liquid fertilizers and mineral processing (flotation). It has a higher water content but offers exceptional solubility and is often the preferred choice for manufacturing lithopone or zinc-based pigments.
Types of Zinc Sulphate
Core Features & Technical Advantages
HOOCHEMTEC’S Zinc Sulphate is manufactured through high-purity neutralization processes, ensuring extremely low levels of heavy metals like Lead, Cadmium, and Arsenic.
- High Water Solubility: Dissolves quickly and completely, making it ideal for foliar sprays, fertigation, and liquid fertilizer formulations.
- Essential Micronutrient Bioavailability: Provides zinc in a highly absorbable form, critical for enzyme activation and chlorophyll production in plants.
- Low Impurity Profile: Strictly controlled heavy metal content meets the stringent requirements for animal feed and pharmaceutical-grade applications.
- Uniform Particle Size: Available in powder and granular forms to ensure even distribution when blended with NPK fertilizers.
- Excellent Storage Stability: Specifically dried to prevent caking and ensure a free-flowing consistency even during long-distance maritime transit.
What is Zinc Sulphate Uses for
- Fertilizer: This compound serves as a fertilizer, providing necessary zinc nutrients to plants, supporting their robust growth and development.
- Animal Nutrition: It’s utilized as a dietary supplement for livestock and poultry, preventing zinc insufficiency and enhancing overall well-being and development.
- Pharmaceutical Applications: The substance finds its place in pharmaceutical formulations like creams and ointments, contributing to the treatment of diverse skin conditions, such as eczema and dermatitis.
- Water Treatment: This compound plays a role in water treatment procedures, controlling algae proliferation, clarifying water, and elevating its quality.
- Industrial Uses: It’s integral to industrial processes like electroplating, dyeing textiles, and producing pigments, inks, and zinc-based chemicals.
- Preservative: Within wood preservation, it functions as a preservative, shielding against decay and the growth of fungi.
- Laboratory Reagent: In laboratory settings, it’s employed as a reagent for an array of chemical and analytical procedures.
FAQ of Zinc Sulphate
Granular Zinc Sulphate is designed for mechanical blending with NPK fertilizers to ensure uniform field application. Powder Zinc Sulphate is preferred for foliar sprays and industrial chemical reactions where rapid dissolution is required.
When used in accordance with agricultural best practices, it is a safe and necessary nutrient. However, because it is a heavy-metal salt, high concentrations in runoff should be avoided. Hoochemtec provides full GHS-compliant SDS for safe handling.
It is primarily used to inhibit (depress) the floating of zinc minerals while other minerals (like lead) are being recovered. This allows for the high-purity separation of different metal ores.
Packing: Available in various packaging options such as bags, drums, or bulk containers.
Store zinc sulfate in a cool, dry, well-ventilated place, and keep the container tightly closed to prevent moisture absorption.
Zinc Fertilizer Wholesale - HOOCHEMTEC
We specialize in supplying high-quality zinc sulfate, aiming to meet a wide range of industrial and agricultural needs. Our zinc sulfate is sourced from reputable manufacturers and undergoes rigorous quality testing to ensure its purity and consistency. For further details, or should you have any inquiries regarding the procurement of zinc sulfate, please do not hesitate to contact us.
Production Capacity: 6,000 MT per annum.
Port of Loading: Qingdao or Shanghai (optimizing shipping routes for lower ocean freight).
Lead Time: 7–10 days for standard powder/granular orders; 14 days for specialized low-lead or low-cadmium grades.
The HOO CHEMTEC Advantage: Why B2B Partners Trust Us
- Factory-Direct Pricing: Eliminate trading markups and benefit from stable, competitive wholesale rates directly from our mineral processing facility.
- Regulatory & ESG Compliance: Full GHS-compliant SDS and REACH registration support, ensuring seamless customs clearance for EU and North American markets.
- Flexible Industrial Packaging: Available in 25kg or 50kg PE-lined bags, or 1000kg-1250kg jumbo bags with moisture-proof barriers.
