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We can only ship non-hazardous products to Rest of World

Zinc Sulphate Heptahydrate 92% min

Price: £7.72
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Friday the 20th February 2026*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland, Jersey and Guernsey.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed
  • Fertilisers
  • Cattle feeds
  • Flocculant in water treatment
  • Cosmetics and acne treatments
  • Lab reagent
  • Galvanisation
  • Fugicides and pesticides
  • Mordants in textiles

What is Zinc Sulphate Heptahydrate? Zinc Sulphate Heptahydrate (chemical formula ZnSO₄·7H₂O) is an inorganic compound that appears as colourless, crystalline granules or white crystalline powder. It is highly soluble in water and widely used in various industrial, agricultural, and pharmaceutical applications.

Consistent Quality: We provide only high-quality Zinc Sulphate Heptahydrate 92% min, ensuring reliable and consistent performance in agricultural, pharmaceutical, and industrial applications.

Shipped from UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Frequent Uses

Chemical Synthesis
Serves as a key raw material in the production of other zinc compounds, including zinc oxide, zinc chloride, and various other zinc salts. These compounds are used in a wide range of applications, from manufacturing to pharmaceuticals and cosmetics.

Electroplating and Galvanising
Used in the electroplating process to produce a protective zinc coating on metals, enhancing their corrosion resistance. This makes it valuable in the automotive, construction, and electronics industries for creating durable metal surfaces.

Textile Industry
As a mordant in dyeing processes. It helps to fix dyes to fabrics and improve the intensity and longevity of the colours, making it valuable in the production of coloured textiles.

  • Assay: 92%
  • Molecular Formula: ZnSO4•7H2O
  • Molecular Weight: 287.46g/mol
  • Zinc Sulphate: > 55%
  • Zinc: > 22%
  • Arsenic: < 1ppm
  • Cadmium: < 20ppm
  • Lead: < 25ppm
  • Mercury: < 1ppm
  • pH (in 5% solution): 3-5
  • Free moisture: < 0.5%
  • Size: < 2mm
  • Solubility in water: 10% water soluble

Hazard Class: 9

Packing Group: 3

Hazard Phrases: Harmful if swallowed. Causes serious eye damage. Very toxic to aquatic life with long lasting effects.

Prec Phrases: Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Dispose of contents/container to

aquatic CLP Image corrosive CLP Image Harmful CLP Image

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