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Calcium hypochlorite ingredient/composition information

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[Abstract]:
Calcium hypochlorite ingredient/composition information


Hazardous ingredients: CAS NO.
Active ingredient: Ca(Clo)2———— calcium hypochlorite
Preparation: chlorine gas into the lime milk calcium hypochlorite
2 Cl2 + 2 Ca(OH)2 = CaCl2 + Ca(ClO)2 +2 H2O
Calcium hypochlorite is made by reacting chlorine gas with calcium hydroxide (slaked lime).
Because absolutely dry calcium hydroxide does not react with chlorine gas, chlorine can only be adsorbed by calcium hydroxide.
For this reason, the industrial system uses sluiced lime containing less than 1% of free water to carry on the chlorination, the chlorine gas used also contains less than 0.06% of water.
The free water in these raw materials is used to hydrolyze chlorine gas to produce acids (HClO, HCl), and the resulting acids are neutralized by slaked lime.
Subsequently, depending on the water precipitated from the calcium hydroxide during the chlorination reaction, the chlorine continues to hydrolyze, and more calcium hydroxide is involved in the reaction process to form a series of compounds.
Bleach is a complex of these compounds.
Calcium hypochlorite is easily exposed to the air and fails: Ca(ClO)2+H2O+CO2=CaCO3↓+2HClO