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Ammonium Sulphate 99.5% ACS feedback feedback feedback feedback feedback

Price: £3.30
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Stock Availability
On Shelf - Approx. UK delivery date: Tuesday the 07th October 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, 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
  • Fixing Agent for Acid Dyes
  • Fertiliser for Alkaline Soils
  • Adjuvant for Liquid fertilisers, Insecticides, Fungicides
  • Laboratory reagent for Purifying proteins
  • Preparation of Ammonium Salts
  • Wood preservative

Ammonium sulfate (IUPAC-recommended spelling; also ammonium sulphate in British English), (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions.

  • Minimum Assay: >99%
  • Molecular Formula: H8N2O4S
  • Molecular Weight: 132.14g/mol
  • Melting Point: 280 deg C
  • pH (5% soln 20°C): 4.5 – 6.0 5.48
  • Chloride (Cl): <.0.002%
  • Nitrate (NO3): <.0.002%
  • Heavy metals (as Pb): <.0.001%
  • Iron (Fe): <.0.001%
  • Arsenic (As): <.0.0005%
  • Loss on drying at 105oC: <.1.0%
  • Residue on ignition (as SO4): <.0.05%

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 7783-20-2
Einecs No: 231-984-1
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