1305-79-9 Usage
Description
Calcium peroxide is a grayish-white or yellowish, odorless, and almost tasteless crystalline solid. It is an ecologically pure substance that is insoluble in water but dissolves in acid to form hydrogen peroxide. When in contact with water, it immediately begins to decompose, releasing oxygen. It is used in various fields of industry and agriculture due to its unique properties.
Uses
Used in Environmental Protection:
Calcium peroxide is used as a decontaminating agent for treating wastewater and remediation of groundwater. It is also used for decontaminating soil.
Used in Agriculture:
Calcium peroxide is used as a fertilizer rich with oxygen, stimulating seed growth and their germination capability. It is also used for presowing treatment of rice seed, which allows planting not by seedlings but by dry seeds coated with calcium peroxide, reducing work expenditure and increasing crop capacity.
Used in Aquaculture:
Calcium peroxide is used to provide sufficient dissolved oxygen, adjust pH value, reduce the subaqueous content of ammonium and nitrogen, eliminate carbon dioxide and sulfureted hydrogen, and prevent anaerobic bacteria from proliferating. It is also applied to manure heaps to kill disease-carrying bacteria originating from animal defecation.
Used in Poultry Raising:
Calcium peroxide is used for decontamination of fodder, increasing productivity, ensuring safety from disease in hens, and improving their eggs.
Used in Cattle Breeding:
Calcium peroxide is used for prophylaxis of casein-stone formation in the abdomen, preventing diarrhea with newborn calves, acting as an antimicrobial agent to prevent disease, stimulating protective organism strength, normalizing the activity of the alimentary canal, activating digestion work, and greatly increasing livestock safety.
Used in the Bakery Industry:
Calcium peroxide is used as a dough conditioner, improving dough strength, grain, and texture, and increasing absorption and crumb resiliency. It is also used to improve bread crumb and its porosity, keep moisture in dough during baking, and initiate yeast growth.
Used in the Rubber Industry:
Calcium peroxide is used as a stabilizer for rubber.
Air & Water Reactions
Isoluble in water and slowly decomposed by water to produce calcium hydroxide (slaked lime) [Sax, 9th ed., 1996, p. 636].
Reactivity Profile
Calcium peroxide is an explosion hazard if mixed with finely divided organic matter. Noncombustible but accelerates the burning of combustible material: mixtures of combustible material and the peroxide can be ignited by friction or contact with moisture. Mixtures with polysulfide polymers may ignite. Decomposes rapidly above 200° C. Strongly basic Reacts with water to produce calcium hydroxide (slaked lime) [Sax, 9th ed., 1996, p. 636].
Hazard
Strong oxidizing agent. Dangerous fire risk
in contact with organic materials. Irritating in con-
centrated form.
Health Hazard
Inhalation of dust irritates nose and throat. Dust also irritates eyes and skin on contact and irritates mouth and stomach if ingested.
Fire Hazard
Behavior in Fire: Can increase severity of fire. Containers may explode.
Safety Profile
Irritating in
concentrated form. Will react with moisture
to form slaked lime. Flammable if hot andmixed with finely dwided combustible
material. Mixtures with oxiduable materials
can also be ignited by grinding and are
explosion hazards. A strong alkali. An
oxidizer. Mixtures with polysulfide polymers
may ignite. See also CALCIUM
COMPOUNDS, CALCIUM
HYDROXIDE, and PEROXIDES,
INORGANIC.
Potential Exposure
Calcium peroxide is used as a seed
disinfectant, an antiseptic, and a rubber stabilizer.
Shipping
UN1457 Calcium peroxide, Hazard Class: 5.1;
Labels: 5.1-Oxidizer
Incompatibilities
Slow reaction with water or other forms
of moisture, releasing calcium hydroxide Calcium peroxide
is a strong alkali and a strong oxidizer. Incompatible with
reducing agents, including hydrides; acids, combustible
materials; polysulfide polymers. Rapid decomposition
》200C
Check Digit Verification of cas no
The CAS Registry Mumber 1305-79-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,0 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1305-79:
(6*1)+(5*3)+(4*0)+(3*5)+(2*7)+(1*9)=59
59 % 10 = 9
So 1305-79-9 is a valid CAS Registry Number.
InChI:InChI=1/Ca.O2/c;1-2/q+2;-2/rCaO2/c1-2-3-1
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