Calcium peroxide
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	*
Chemical infobox

Calcium peroxide is a solid peroxide with a white or yellowish color. Calcium peroxide breaks down at a slow controlled rate when in contacts with hydrous fluid. It breaks down slowly in moist air. For all practical purposes calcium peroxide is insoluble in water but will dissolve in acid to form hydrogen peroxide. This compound is an ecologically pure substance.

Applications

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Calcium peroxide, being an ecologically pure substance, can be used in different areas of industry and agriculture. It is used for biomediation of groundwater, and soil decontamination. 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.

As a food additive it has the E number E930 and is used as flour bleaching agent and improving agent.

External links

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Peroxides | Calcium compounds | Food additives | Bleaches | Disinfectants