Zinc Sulphate Heptahydrate
Zinc Sulphate Heptahydrate (CAS 7446-20-0) supplied in bulk from India at around 21% zinc. Fast dissolving, preferred for foliar sprays, fertigation and feed. Minimum order 500 kg.
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Description
Zinc Sulphate Heptahydrate Supplier & Exporter in India
Zinc Sulphate Heptahydrate carries seven molecules of water and dissolves noticeably faster than the monohydrate, which is exactly what a spray tank or a fertigation line needs. It carries around 21 percent zinc, and where speed of dissolution and clean solutions matter more than freight cost, it is the form growers specify.
Rexus Pharma Chem LLP supplies and exports Zinc Sulphate Heptahydrate in bulk to fertiliser and agrochemical manufacturers, feed producers, textile and viscose units and industrial users across India, Africa and the Gulf. Minimum order quantity is 500 kg.
Zinc Sulphate Heptahydrate – Product Details
| Product Name | Zinc Sulphate Heptahydrate |
|---|---|
| CAS Number | 7446-20-0 |
| Chemical Formula | ZnSO4·7H2O |
| Appearance | Colourless to white crystals or granules |
| Grades Offered | Agricultural, feed and technical grades; typically 21% Zn |
| Packaging | Standard commercial packing; pack size confirmed at the time of quotation |
| Minimum Order Quantity | 500 kg |
| Country of Origin | India |
| Documentation | COA and MSDS supplied with every consignment |
Applications of Zinc Sulphate Heptahydrate
- Zinc micronutrient in foliar sprays, fertigation and hydroponics
- Trace mineral in animal feed and mineral premixes
- Zinc source in liquid and water-soluble fertiliser formulations
- Additive in viscose rayon and textile processing
- Zinc source in electroplating baths and pigment manufacture
- Reagent in mineral flotation and water treatment
Why Buy Zinc Sulphate Heptahydrate from Rexus Pharma Chem LLP
- A trading legacy since 1952. Rexus Pharma Chem LLP carries forward the sourcing network and customer relationships of the Haribhai Khimji Group.
- Practical minimum order quantity. Zinc Sulphate Heptahydrate is supplied from a minimum of 500 kg, so small formulators and large plants can both buy at workable volumes.
- Documentation with every batch. Certificate of Analysis and Material Safety Data Sheet are issued against each consignment, with batch traceability maintained end to end.
- India-wide dispatch and export. Regular supply across Indian manufacturing hubs and exports to Africa, the Gulf and South East Asia, with complete export documentation.
- Packaging that suits your line. Standard and repacked sizes are available on request so material reaches you in the pack size your process actually uses.
- A response you can plan around. Quotations, specification sheets and sample requests are answered promptly by a team that knows the material.
Minimum Order Quantity and Despatch
The minimum order quantity for Zinc Sulphate Heptahydrate is 500 kg. Packing is supplied in standard commercial sizes for this material, and the exact pack size is confirmed against your enquiry along with the price and lead time. Mixed consignments with other products from our range can be combined into a single despatch, and export orders are shipped with COA, MSDS and the full set of documents required at destination.
Storage and Handling
Store in sealed packing in a cool, dry place away from moisture and heat. The heptahydrate slowly loses water of crystallisation in warm dry air and cakes when damp, so keep packs closed and stored at moderate temperature.
Frequently Asked Questions
Why choose heptahydrate over monohydrate?
It dissolves faster and gives cleaner solutions, which suits foliar spraying, drip irrigation and any liquid application. Monohydrate carries more zinc per tonne and is the better choice for granular soil application.
What zinc content does it carry?
Around 21 percent, against roughly 33 percent for the monohydrate. Adjust dose rates accordingly when switching between the two.
What is the minimum order quantity?
The minimum order quantity is 500 kg.
Do you supply COA and MSDS?
Yes, with every consignment.
Request a Quotation
Share your required grade, quantity and delivery location and our team will revert with a price and lead time for Zinc Sulphate Heptahydrate. Write to [email protected], call +91 93204 96801, or use the enquiry form.






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