Zinc Sulphate Heptahydrate vs Monohydrate is an important comparison for pharmaceutical, nutraceutical, agricultural and industrial buyers selecting the appropriate form of Zinc Sulphate. Both compounds are Zinc Sulphate hydrates, but they contain different amounts of water of crystallisation. Therefore, their molecular weight, zinc content and handling characteristics are different.
Chemignition Laboratory manufactures and supplies Zinc Sulphate Heptahydrate and Zinc Sulphate Monohydrate in BP, IP and USP grades, subject to applicable product specifications and customer requirements.
This guide explains the main differences between the two forms, along with their chemical properties, grades, applications and selection considerations.
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What Is Zinc Sulphate?
Zinc Sulphate is an inorganic zinc salt widely used as a source of zinc in several applications. It is commonly available in hydrated forms, particularly Zinc Sulphate Heptahydrate and Zinc Sulphate Monohydrate.
The amount of water associated with the Zinc Sulphate molecule determines the hydrate form.
The two commonly supplied forms are:
Although both contain zinc sulphate, they should not automatically be considered interchangeable. The required form depends on the formulation, specification and intended application.
Zinc Sulphate Heptahydrate
Zinc Sulphate Heptahydrate contains seven molecules of water of crystallisation. It commonly occurs as colourless crystals or a white crystalline material.
Chemical Information
Chemical Name: Zinc Sulphate Heptahydrate
Chemical Formula: ZnSO₄·7H₂O
CAS Number: 7446-20-0
Molecular Weight: 287.54 g/mol
Chemignition Laboratory supplies Zinc Sulphate Heptahydrate in different pharmacopoeial grades based on customer requirements.
Available grades may include:
- Zinc Sulphate Heptahydrate BP
- Zinc Sulphate Heptahydrate IP
- Zinc Sulphate Heptahydrate USP
The applicable specification should always be confirmed before the product is selected for pharmaceutical or regulated applications.
Zinc Sulphate Monohydrate
Zinc Sulphate Monohydrate contains one molecule of water of crystallisation. Because it contains less water than the Heptahydrate form, its molecular weight and percentage of zinc differ.
Chemical Information
Chemical Name: Zinc Sulphate Monohydrate
Chemical Formula: ZnSO₄·H₂O
CAS Number: 7446-19-7
Molecular Weight: 179.47 g/mol
Chemignition Laboratory supplies Zinc Sulphate Monohydrate in grades such as:
- Zinc Sulphate Monohydrate BP
- Zinc Sulphate Monohydrate IP
- Zinc Sulphate Monohydrate USP
Customers should select the grade according to their approved specification, formulation and regulatory requirements.
Zinc Sulphate Heptahydrate vs Monohydrate
Applications of Zinc Sulphate
- Pharmaceuticals: Used as a zinc supplement in tablets, syrups, and injectables
- Veterinary Use: A vital mineral additive in animal feed
- Agriculture: Fertilizer additive to correct zinc deficiency in soil
- Industrial: Used in flotation, pigment production, and electrolyte formulations
Why Choose Chemignition as Your Zinc Sulphate Partner?
- GMP & ISO 9001:2015 Certified manufacturing facility
- IP/BP/USP/EP compliant production standards
- COA, MSDS, TDS & regulatory documents provided with every shipment
- Available in Monohydrate and Heptahydrate forms
- Supplied in bulk export packaging – HDPE drums, PE-lined bags, or cartons
- Exporting to over 30+ countries with strong logistics support
Packaging & Delivery
- 25/50 kg HDPE or fiber drums
- PE-liner moisture-proof packing
- Custom labeling as per destination requirements
- Palletized export packaging available
Documentation Support
We provide full documentation:
- Certificate of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Technical Data Sheet (TDS)
- Stability data and Non-GMO statement (on request)
Countries We Export Zinc Sulphate To
Request a Quote
If you’re sourcing Zinc Sulphate IP/BP/USP/EP for pharmaceutical or industrial use, reach out to Chemignition Laboratory for quality products, complete documentation, and competitive pricing.
FAQs
What are the different grades of Zinc Sulphate available at Chemignition Laboratory?
We manufacture and supply Zinc Sulphate in IP, BP, USP, and EP grades for pharmaceutical use, and industrial and feed grades like Monohydrate and Heptahydrate for agriculture, veterinary, and technical applications.
Is your Zinc Sulphate suitable for pharmaceutical formulations?
Yes, our Zinc Sulphate IP/BP/USP/EP grades are manufactured under GMP-certified conditions, suitable for use in tablets, syrups, injectables, and nutraceuticals.
What documentation do you provide with Zinc Sulphate shipments?
Each shipment is accompanied by:
COA (Certificate of Analysis)
MSDS (Material Safety Data Sheet)
TDS (Technical Data Sheet)
Additional documents like Non-GMO, Stability, or DMF (if applicable) can also be provided upon request.
Do you export Zinc Sulphate internationally?
Yes, we export Zinc Sulphate to over 30+ countries, including the USA, Germany, UAE, UK, South Africa, Australia, and Vietnam. We ensure export-ready packaging and smooth customs clearance support.
What is the difference between Zinc Sulphate Monohydrate and Heptahydrate?
Monohydrate is used in pharmaceuticals and has high Zinc content (35–36%).
Heptahydrate is mainly used in agriculture and feed supplements with around 22% Zinc content.
What packaging options are available for bulk Zinc Sulphate?
We offer multiple packaging types:
25 kg & 50 kg HDPE drums or bags
Moisture-proof PE liners
Customized export cartons with palletization and shrink-wrapping
