Potassium Sulphate

Buy potassium sulphate in packs of 250g, 1Kg, 5Kg and 25Kg. The price of the different formats of potassium sulphate you can see when you select the format you want. Widely used as a fertiliser, for dry plants or as a fertiliser for aquarium plants. You may also be interested in the potassium nitrate and the monopotassium phosphate. In case it is used for composting plants you may be interested in the aquarium pack. The order is placed directly on the website following the steps indicated, and delivery is made within 24/48 hours.

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SKU: QK-6G29-PBDS Category:

The potassium sulphate or potassium sulphate is a chemical compound with the formula K2SO4which is presented as a white powder or in granular form. Potassium sulphate is mainly used as a fertiliser in crops. Potassium (K) is one of the main plant nutrients and potassium sulphate is the main form of potassium sulphate. Potassium sulphate is a loose, crystalline product that dissolves quickly in water without leaving a residue. It can be applied using any fertigation system. It is suitable for all types of crops at developmental stages with high potassium requirements and low nitrogen needs.


Name: Potassium sulphate
Synonyms: Arcanite, Sulfate of potash, Dipotassium salt of sulfuric acid, Di-potassium sulfate, Sulfate of potash
Chemical formula: K2SO4
CAS : 7778-80-5
EC : 231-915-5

  • Physical state at 20ºC: Solid
  • Appearance: Crystalline
  • Colour: Colourless
  • Odour: Odourless
  • Boiling point/boiling range at atmospheric pressure: 1689ºC
  • Melting point: 1067ºC
  • Relative density: 2.66
  • Solubility: 120 g/l at 20ºC; soluble in cold water
  • Partition coefficient (n-octanol/water) 20ºC: <1
  • Explosive properties: Non-explosive.


Information on the uses of potassium sulphate can be found here: Uses of Potassium Sulphate

If you want to know more, you can find more information about Potassium Sulphate in the following links.


Potassium is important for all plants. Depending on the type of crop, it has different properties:
- TOMATO: Potassium in plants is important for the functioning of coenzymes Protein synthesis Stomatic function Tugor potential.
- CITRUS FRUIT: Vigorous shoot growth. Increases fruit load. Increases fruit load
Fruit is larger with better colouring, skin texture and flavour (more acidity) Increases the vitamin level
- POTATO: Increases tuber size and improves resistance against diseases.
- WHEAT: Promotes growth and improves plant development. Increases yield and grain quality.
- UVA: Healthy, green foliage Improves kernel ripening Increases sugar content. Larger fruit with better colouring, skin texture and flavour. Higher yields. Earlier ripening.
-OLIVE TREE: Larger leaf surface area maintained throughout the season
More vigorous branch growth


Product Ref. Document
Potassium Sulphate ALQ0012 Material Safety Data Sheet MSDS:    EN &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp &nbsp;
Potassium Sulphate ALQ0012 Technical specifications
You can also see the Material Safety Data Sheets (MSDS) of all products in this section: MSDS
Weight 1 kg
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2 reviews for Sulfato de Potasio

  1. Carmen Romero -

    Good product, seems to work quite well in the short time I've tried it.

  2. Lope Jesus -

    Very good product and perfectly packed.
    I recommend it.

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