Calcium peroxide
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| Calcium peroxide | |
|---|---|
| Image:Calcium peroxide.jpg | |
| Systematic name | Calcium peroxide |
| Other names | E930 |
| Molecular formula | CaO2 |
| Molar mass | 72.08 g/mol |
| Density | x.xxx g/cm3 |
| Solubility (water) | x.xx g/l |
| Melting point | xx.x °C |
| Boiling point | xx.x °C |
| Appearance | white to yellow powder or solid |
| CAS number | [xx-xx-xx] |
| Disclaimer and references | |
Calcium peroxide (CaO2) is a solid peroxide with a white or yellowish color. For all practical purposes calcium peroxide is insoluble in water but will dissolve in acid to form hydrogen peroxide. When in contact with water it will immediately begin to decompose releasing oxygen.
[edit] Applications
Calcium peroxide is manufactured to varying specifications and purity and can be used in different areas of industry and agriculture. In agriculture it is used as an oxygen fertilizer, and is also used in the presowing treatments of rice seed. Also, calcium peroxide has found use in the aquaculture industry as it is used to oxygenate and disinfect water, and in the ecological restoration industry as it is used in the treatment of soils.
As a food additive it has the E number E930 and is used as flour bleaching agent and improving agent.
[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)
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