Chlorine and sodium hydroxide react to form sodium hypochlorite. This chemical is also known as bleach and is highly demanded given to its several uses. Additionally, it serves as an effective antibacterial agent. It is supplied in 200ml plastic bottles. It is best to us this chemical within six months from the date of its manufacturing. Customers can read the manufacturing and best before details on the bottle label. When packed, the purity of this chemical is between four and six percent. It is best to store this liquid chemical solution in cool place.