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  • Calcium Hypochlorite vs Sodium Hypochlorite

Calcium Hypochlorite vs Sodium Hypochlorite

Comparison of bleaching powder essence and sodium hypochlorite
Calcium Hypochlorite and Sodium Hypochlorite are both commonly used chemical agents. They are used in disinfection and bleaching fields, and each has its own capabilities. However, there are many differences between the two.

In terms of chemical composition, the main component of bleaching powder essence is calcium hypochlorite $Ca (ClO) _2 $, while sodium hypochlorite is $NaClO $. The differences in the constituent elements of the two make their properties and uses different.

In terms of properties, bleaching powder essence is a white powder with a strong chlorine odor. Its stability is excellent, and it can be stored in a dry environment for a long time. When exposed to water and acids, it is easy to react and release strong oxidizing hypochlorous acid. Sodium hypochlorite is mostly a colorless or light yellow liquid under normal conditions, with a pungent smell, poor stability, and easy to decompose under the influence of light and heat, so it needs to be properly stored in a cool and dark place.

In terms of use, bleaching powder essence is used for drinking water disinfection, swimming pool water purification and sewage disposal due to its high chlorine content, strong disinfection ability and durability. In large-scale water disinfection, its high efficiency is highlighted. Although sodium hypochlorite contains relatively low chlorine content, it is convenient to use and is quite common in daily life disinfection, such as household cleaning, surface disinfection of objects, etc. In the field of medical and health care, sodium hypochlorite solution is also often used as a disinfectant for the disinfection of the environment and medical apparatus.

Furthermore, the safety of the two is also different. Bleaching powder is highly oxidizing and corrosive. If used improperly, it can cause burns if it touches the skin or eyes. Although sodium hypochlorite is also corrosive, it is slightly weaker than bleaching powder. However, when using both, it is necessary to strictly follow the operating specifications and take protective measures to avoid harm.

In summary, although both bleaching powder and sodium hypochlorite have the ability to disinfect and bleach, they have their own applications in different scenarios due to different chemical compositions and properties. Users should choose carefully and use it rationally according to their actual needs to achieve the best results and ensure safety.