Potassium persulfate
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Potassium persulfate | |
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Image:Potassium persulfate.jpg | |
General | |
Other names | potassium peroxydisulfate |
Molecular formula | K2S2O8 |
Molar mass | 270.32 g/mol |
Appearance | white powder |
CAS number | [7727-21-1] |
Properties | |
Density and phase | 2.48 g/cm3, solid |
Solubility in water | 4.7g/100g water |
Melting point | 100°C (decomposes) |
Boiling point | ? |
Vapor density | 9.30 |
Hazards | |
EU classification | not listed |
NFPA 704 | |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
Potassium persulfate (K2S2O8) is a chemical compound. It is a food additive and it is used in organic chemistry as an oxidizing agent for instance in the Elbs persulfate oxidation
Conditions/substances to avoid are: heat, flames, ignition sources, powdered metals, phosphorus, hydrides, organic matter, halogens, acids and alkalis.
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L-cysteine (E920) • L-cystine (E921) • Potassium persulfate (E922) • Ammonium persulfate (E923) • Potassium bromate (E924) • Chlorine (E925) • Chlorine dioxide (E926) • Azodicarbonamide (E927) • Carbamide (E927b) • Benzoyl peroxide (E928) • Calcium peroxide (E930) |