Calcium peroxide is a white or yellowish solid peroxide which slowly decomposes to release oxygen at a "controlled" rate when in contact of hydrous media. Calcium peroxide based chemical oxygen product is of the most temperature stable inorganic oxygen release compounds. It decomposes slowly in moist air, is practically insoluble in water, and dissolves in acids, forming hydrogen peroxide.
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.
Active Oxygen, %
Active Component (CaO2), %
Bulk Density, g/L
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.
In agriculture it is used in the presowing treatments of rice seed. Also, calcium peroxide has found use in the aquaculture to oxygenate and disinfect water.
Proper Shipping Name: Calcium Peroxide
UN Number: 1457
EMS: F-A, S-Q
Packing: 25 woven polypropylene bags with inner polyethylene liner (UN approved), or 25 fiberboard drums.