Summer Holidays:
We are currently closed for summer holidays until 24/07/2017. Checkout will be temporarily unavailable until 21st July. We apologise for any inconvenience caused.

Ammonium Sulphate - Industrial / Fertilizer Grade

  • SKU:
  • Barcode:
Available sizes
SizePrice ex VATPrice inc VAT
100g £8.32 £9.99
1Kg £9.99 £11.99
5Kg £14.16 £16.99
25Kg £25.82 £30.99
2x25kg £49.99 £59.99
5x25kg £120.83 £145.00

  • Wishlist:

    To add this product to your wish list you must Login or Register.


Industrial / Fertilizer Grade

Ammoniacal Nitrogen - 21 %

PLEASE NOTE: This is not the same as AMMONIUM SULPHAMATE which is used as a flame retardant, compost accelerator etc.



  • As a fertiliser for alkaline soils lowering the pH of the soil and adding nitrogen. Ammonium sulphate will reduce pH of soil but not by large amounts. 1.5kg of ammonium sulphate will treat 100 square metres and reduce the pH by 0.1 to 0.2 units.
  • Adjuvant for soluble insecticides, herbicides and fungicides.
  • As a flame retardant.

Properties of ammonium sulphate:

  • CAS No: 7783-20-2
  • Other names: ammonium sulfate (2:1), diammonium sulfate, sulfuric acid diammonium salt, mascagnite, Actamaster, Dolamin
  • Appearance: Brownish gray to white crystals or granules
  • Purity: 98.5-100%
  • Specific gravity: 1.77
  • Solubility: 77 g/100 g @20oC
  • Molecular weight: 132.16
  • pH: 4.5-5.5
  • Melting point: 235oC (455oF) decomposition star­ts
PLEASE NOTE: This product is not for human or animal consumption.