Calcium hypochlorite is a broad-spectrum disinfectant, bactericidal and deodorant for external use. It is widely used in drinking water disinfection, disinfection and sterilization in hotels, restaurants, and hospitals, so what is calcium hypochlorite? Let's learn about it together with the editor of Baibai Safety Network.
Calcium hypochlorite, also known as high-efficiency bleaching powder, is mainly composed of calcium hypochlorite. According to different production processes, it also contains calcium chloride or sodium chloride and calcium hydroxide, and its available chlorine content is greater than 60%.
Bleaching powder has strong sterilization, disinfection, purification and bleaching effects, and is widely used in wool washing, textile, carpet, papermaking and other industries. It is mainly composed of calcium hypochlorite reacting with water and carbon dioxide to generate hypochlorous acid with strong oxidative properties. Stains are eliminated by hypochlorous acid.
Another name: Calcium hypochlorite; High-efficiency bleaching powder; Calcium trichlorate and calcium dihydroxide
Chemical formula: 3Ca(ClO)2 2Ca(OH)2
Molecular weight: 577.0
Appearance: white powder or granules. Has a strong chlorine odor. Corrosive and strong oxidizing. Soluble in cold water. Decomposes in hot water and ethanol. Heating will rapidly decompose and cause an explosion. It reacts with acid to release chlorine gas, and reacts with organic matter and oil to cause combustion. It is also prone to explosion and decomposition when exposed to light, producing oxygen and chlorine gas.
Application fields: Mainly used for bleaching cotton fabrics, linen fabrics, pulp, etc. It is widely used in drinking water, swimming pool water purification, sericulture and other aspects by taking advantage of its disinfection and sterilization effect. Also used in the manufacture of chemical gas and radioactive disinfectants. In addition, it is also used in the pharmaceutical industry, etc.
Problems that should be paid attention to when saving: sealed and stored in a dark place.
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