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Potassium Persulfate

CAS No.	7727-21-1
IMDG CODE	CLASS 5.1
UN NO.	1492
HS CODE	28334000
Molecular Formula	K ₂ S ₂ O ₈
Molecular Weight	270.32

Synonyms

Potassium peroxydisulfate; Potassium peroxodisulfate; dipotassium peroxodisulphate; Potassium persulphate; Peroxydisulphuric acid dipotassium salt~Potassium peroxydisulphate; Di-potassium Peroxodisulphate

Package

Net weight 25kg, woven/PE bag with linner

Potassium persulfate is a white, odorless crystal with a density of 2.477 . It decomposes at about 100°C . It is soluble in water, insoluble in ethanol and has strong oxidizing properties. Used to make explosives, bleach and oxidizing agent. It can also be used as polymerization initiator. It has very low hygroscopy and has good stability at room temperature. It’s safe and easy to use and store as well.

Technical Data

Item (%)	Specification
App​earance	White crystal powder
ASSAY  K ₂ S ₂ O ₈	≥99.0 %
Active oxygen	≥ 5.85​%
Chlorides  ( as Cl )	≤ 0.02%
Manganese (M n )	≤ 0.0001%
Iron (Fe)	≤ 0.001%
Heavy metals ( as Pb )	≤ 0.001%
Ammonium salt  [ NH₄ ]	≤ 0.2%
Moisture	≤ 0.10%
PH Value (50g/L solution )	4.0-6.0