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An overall view of sodium hypochlorite and its importance.
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An Everyday Chemical - Sodium Hypochlorite Bleach By Catherine Graham (word count 1144) Introduction An overall view of sodium hypochlorite and its importance Sodium hypochlorite is best known as the active ingredient in household bleach. The French chemist Berthollet discovered sodium hypochlorite in 1787. Its ability to effectively whiten textiles was quickly discovered and put to commercial use with great success. By the end of the nineteenth century Louis Pasteur had discovered the effectiveness of sodium hypochlorite against disease causing bacteria and it soon became widely used as a disinfectant. Details of the raw materials needed to make hypochlorite bleach and where they come from Sodium hypochlorite is produced by reacting chlorine with sodium hydroxide (caustic soda). These raw materials are produced from the electrolysis of brine (salt water). Therefore, a manufacturing plant requires only common salt (NaCl), which is mined here in the UK, and water. The electrolysis process causes the solution to...
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