Calcium peroxide (CaO2)-Powder

Calcium peroxide (CaO2)-Powder introduce:

Characteristic




Calcium peroxide or calcium dioxide is the inorganic compound with the formula CaO2. It is the peroxide (O22−) salt of Ca2+. Commercial samples can be yellowish, but the pure compound is white. It is almost insoluble in water.




Chemical formula:CaO2

Molar mass:72.0768 g/mol

Appearance:white or yellowish powder

Odor:odorless

Density:2.91 g/cm3

Melting point:~ 355 °C (671 °F; 628 K) (decomposes)

Solubility in water:decomposes

Acidity (pKa):12.5

Magnetic susceptibility (χ):-23.8·10−6 cm3/mol

Refractive index (nD):1.895

Crystal structure:Orthorhombic




Application




Calcium peroxide is used as a rubber stabilizer, 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. It is used as flour bleaching agent and improving agent.