Ensure consistent production processes with our high-purity Zinc Sulfate Heptahydrate 99% CAS 7446-20-0, a reliable industrial-grade solid that stabilizes cost control through uniform quality. This essential chemical maintains 330℃ boiling point stability, making it ideal for coating formulations and water treatment systems where precise thermal performance matters.
- Sourced from Hangzhou with 20t/year production capacity to support bulk orders
- Packaged in 250kg drums or 1,250kg IBCs for efficient logistics and reduced handling costs
Description
For industrial manufacturing and laboratory research purposes only.
Product Specifications
| Parameter | Value |
|---|---|
| Product Name | Zinc Sulfate Heptahydrate |
| CAS Number | 7446-20-0 |
| Purity | >99% |
| Purity Degree | 99% |
| State | Solid |
| Molecular Formula | H14O11SZn |
| Melting Point | 100 °C |
| Boiling Point | 330℃ at 760 mmHg |
| Packing | 25kgs |
| Transport Package | by Foil – Alum Bag or Paper Drum |
| Specification | 250kg/drum Or 1,250kg/IBC |
| Origin | Hangzhou |
| HS Code | 2833293000 |
| Production Capacity | 20t/Year |
Addressing Zinc Sulfate Heptahydrate 99% (CAS 7446-20-0) Quality and Supply Challenges in Industrial Processes
After a decade of serving industrial chemical users across 50+ countries, we’ve witnessed how inconsistent Zinc Sulfate Heptahydrate quality disrupts production—from coating formulations developing unexpected precipitates to water treatment processes failing to meet regulatory standards. Batch-to-batch purity fluctuations not only increase rejection rates but also make process scaling nearly impossible, while delayed bulk deliveries have cost manufacturers thousands in downtime.
A Stable and Reliable Zinc Sulfate Supply Solution
Our Industrial Zinc Sulfate Heptahydrate 99% CAS 7446-20-0 addresses these critical pain points through a vertically integrated supply chain. With a dedicated production line and large warehousing center, we ensure consistent availability from kilogram to ton-level orders, eliminating the production delays caused by erratic raw material supply. Our strict in-house quality control protocols mean each batch meets the same high purity standards, providing the reliability industrial manufacturers and research institutions require.
Typical Industrial Applications
As a versatile industrial chemical, Zinc Sulfate Heptahydrate 99% finds applications in multiple manufacturing sectors. It serves as a key additive in coating formulations to enhance corrosion resistance, acts as a flocculant in water treatment processes, functions as a mordant in textile dyeing, and provides essential zinc supplementation in agricultural chemical production. Its high solubility and consistent composition make it suitable for both continuous manufacturing processes and controlled laboratory research.
Why Key Specifications Matter for Industrial Performance
The 99% purity level of our Zinc Sulfate Heptahydrate is critical for minimizing impurities that cause side reactions in chemical synthesis. The precise melting point (100°C) ensures predictable behavior in thermal processes, while the tightly controlled solid state guarantees uniform mixing in dry formulations. Our packaging options—from 25kg bags to 1250kg IBCs—are engineered to prevent moisture absorption during storage, which is essential for maintaining product integrity in humid industrial environments. These specifications aren’t just numbers; they directly translate to reduced production waste and consistent end-product quality.
What You Gain With Our High Purity Zinc Sulfate for Industrial Use
Choosing our Zinc Sulfate Heptahydrate means investing in process stability rather than costly rework. Compared to lower purity alternatives that introduce variable impurities, our 99% pure product reduces batch failures by up to 30% in manufacturing settings. Our long-term supply agreements protect against market price volatility, while our global logistics network ensures on-time delivery—critical factors in maintaining lean production schedules. Every shipment complies with international chemical transport regulations, providing documentation that simplifies customs clearance for export markets.
Why You Can Trust Our Zinc Sulfate Heptahydrate
Our quality assurance process begins with raw material selection and continues through every production stage. Each batch undergoes rigorous testing using titration and atomic absorption spectroscopy to verify zinc content and impurity levels. We maintain a complete production record for every lot, and all shipments include a detailed Certificate of Analysis. With a production capacity of 20 tons annually, we have the infrastructure to support both long-term contracts and urgent orders. Our 100% satisfaction guarantee means if a batch fails to meet specifications, we’ll replace it at no cost—no questions asked.
Certificate of Analysis & Documentation
Every order of Zinc Sulfate Heptahydrate 99% CAS 7446-20-0 includes a batch-specific Certificate of Analysis detailing purity, trace elements, and physical properties. Material Safety Data Sheets (MSDS) are provided in multiple languages to support workplace safety compliance. For critical applications requiring additional verification, we can arrange third-party testing through ISO-accredited laboratories at client request.
Storage & Handling
- Store in a cool, dry, well-ventilated area, sealed and away from direct sunlight.
- Keep away from incompatible materials, food and feed sources.
- Handle with appropriate personal protective equipment (gloves, goggles, lab coat).
- Follow good industrial hygiene practices. Avoid inhalation and skin contact.
- Refer to MSDS for detailed storage and safety instructions.
How to Place Your Industrial Zinc Sulfate Order
Initiate your procurement by submitting a detailed inquiry specifying required quantity and packaging preferences. Our technical team will provide a tailored quotation within 24 hours, including delivery timelines based on your location. For first-time clients, we offer small sample quantities for qualification testing before full-scale ordering. Once specifications are confirmed, our standard transaction process ensures transparent communication from payment to delivery, with dedicated account managers monitoring your order every step of the way.
Frequently Asked Questions
Q: What is the shelf life of your Zinc Sulfate Heptahydrate?
A: When stored properly in sealed containers under recommended conditions, our Zinc Sulfate Heptahydrate maintains its specified purity for 24 months from the date of manufacture.
Q: Can this product be used for food, pharmaceutical, or cosmetic applications?
A: No. This product is FOR INDUSTRIAL AND LABORATORY RESEARCH USE ONLY. It is not suitable for direct human consumption, therapeutic, or household use.
What documentation is provided with each shipment?
A: Every order includes a Certificate of Analysis (COA) specific to the batch, Material Safety Data Sheet (MSDS), and commercial invoice. Additional export documentation can be arranged upon request.
Q: Do you offer custom packaging or purity specifications?
A: We can accommodate custom packaging solutions for bulk orders. While our standard product is 99% purity, we offer higher purity grades for specific research applications—contact our technical team for availability.
Q: What is the minimum order quantity?
A: Our standard minimum order quantity is 25kg, with bulk pricing available for orders exceeding 500kg. Smaller sample quantities (100g-5kg) are available for qualification testing.







