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Answer to Question #25099 in Organic Chemistry for dora

Question #25099
hi based on this question:

was this right? I mean this is to disinfect water. what I'm looking for is to make a bleach for laundry.
how do I make a simple bleach or concentrated bleach using calcium hypochlorite?
Expert's answer
Calcium hypochlorite is made by reacting chlorine with calcium hydroxide:
2Cl2 + 2Ca(OH)2 → Ca(ClO)2 + CaCl2 + 2H2O
It is used in many of the same applications as sodium hypochlorite, but has the advantages of being more stable and containing more available chlorine. Calcium hypochlorite is the active ingredient in bleaching powder or "chlorinated lime", which is usually a white powder containing calcium hypochlorite, calcium hydroxide and CaCl2 . A purer, more stable form of calcium hypochlorite is called HTH or high test hypochlorite. Bleaching tablets contain calcium hypochlorite plus other ingredients to prevent the tablets from crumbling. A supposedly more stable mixture of calcium hypochlorite and quicklime (calcium oxide) is known as "tropical bleach". Percent active chlorine in these materials ranges from 20% for bleaching powder to 70% for HTH.

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