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Aluminium Sulphate 17% (Iron Free)

Price: £2.45
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This pack is available in other quantities

Pack: 2 x 100g

Price: £3.95

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Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 17th September 2025*
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.

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
  • Water purification
  • Reducing pH of garden soil
  • Antiperspirants
  • Baking powder
  • Waterproofing agent
  • Styptic pencils
  • Effective as a molluscicide

Aluminium Sulphate is often used as a mordant in histological staining procedures. It is a chemical compound with the formula Al2(SO4)3. It is soluble in water and is mainly used as a flocculating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing.

  • Minimum Assay: <15-20%
  • Molecular Formula: Al2(SO2)3.18H2O
  • Molecular Weight: 666.42
  • Solubility in Water (% weight): Soluble in water
  • Melting point: 86 C
  • Chloride (Cl): <0.001%
  • Heavy metals (as Pb): <0.0011%
  • Ammonium (NH4): <0.002%
  • Arsenic (As): <0.001%
  • Calcium (Ca): <0.0006%
  • Iron (Fe): <0.0022%
  • Potassium (K): <0.00032%

Hazard Phrases: May be corrosive to metals. Causes serious eye damage.

Prec Phrases: 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. Immediately call a POISON CENTER or doctor/physician.

corrosive CLP Image

Cas No: 10043-01-3
Einecs No: 233-135-0

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