We are offering bleaching powders. It is used (i) as a disinfectant and germicide especially in the sterilization of drinking water. (ii) for manufacture of chloroform. (iii) for making wool unshrinkable. (iv) as an oxidising agent in industry. (v) mainly as bleaching agent for cotton, linen and wood pulp. However, delicate articles like straw, silk, ivory, etc., are not bleached by bleaching powder.