Potassium Persulphate 98%



Potassium persulphate is the inorganic compound with the formula K2S2O8. Also known as potassium peroxydisulphate or KPS, it is a white solid that is highly soluble in water. This salt is a powerful oxidant, commonly used to initiate polymerizations.

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Shipping information:
Potassium Persulphate 98% can only be shipped by courier in Limited Quantity within the UK with a maximum allowable size of 5L per bottle, or multiples of.
Pack Sizes above 5L can only be shipped by ADR approved courier.
Please contact us if you require larger pack sizes of volumes of Potassium Persulphate 98%.

Minimum Assay: 98%
Molecular Formula: K2S2O8
Molecular Weight: 270.31
Solubility in Water (% weight): 27 g/l @ 20 C – completely soluble
Chloride (Cl): <0.001%
Heavy Metals (as Pb): <0.001%
Iron (Fe): <0.0006%
Manganese (Mn): <0.00007%

Hazard Class: 5.1

Packing Group: 3

Hazard Phrases: May intensify fire; oxidiser. Harmful if swallowed. Causes skin irritation. May cause an allergic skin reaction. Causes serious eye irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation.

Prec Phrases: Keep/Store away from clothing/ Avoid breathing dust/fume/gas/mist/vapours/spray. 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. If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.


Cas No: 7727-21-1
Einecs No: 231-781-8


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Additional information

Weight N/A
Pack Size

100gm, 250gm, 500gm, 1Kg, 2.5Kg, 5Kg, 4 x 5Kg, 25Kg, 4 x 25Kg