Potassium persulfate
From Wikipedia, the free encyclopedia
| Potassium persulfate | |
|---|---|
 |
|
| 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 |
0
1
0
OX
|
| 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.
[edit] External links
Colours (E100–199) • Preservatives (E200–299) • Antioxidants & Acidity regulators (E300–399) • Thickeners, stabilisers & emulsifiers (E400–499) • pH regulators & anti-caking agents (E500–599) • Flavour enhancers (E600–699) • Miscellaneous (E900–999) • Additional chemicals (E1100–1599)
Waxes (E900–909) • Synthetic glazes (E910–919) • Improving agents (E920–929) • Packaging gases (E930–949) • Sweeteners (E950–969) • Foaming agents (E990–999)
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)
