Bleaching chemicals are oxidizing agents used for numerous applications such as stain removal, disinfecting textile material and water, deodorizing, effluent control etc. Bleaching chemicals finds application in sectors such as textile, pulp & paper processing, water & wastewater treatment, hospitals, laundries etc. Though bleaching chemical is an industrial products, they have gained importance in various end-user industries due to capability for wide-ranging applications. Bleaching as a process has been used for a long time, and the various chemicals used for bleaching currently have resulted from the continuous efforts put in by scientist in the 18th century. Bleaching chemicals are either chlorine or peroxide based, and some of the commonly used bleaching chemicals are chlorine, chlorine dioxide sodium hypochlorite, hydrogen peroxide, sodium percarbonate etc.