Use: 1. assay is 45%, it can be used as bactericide, mildew inhibitor, softener, antistatic agent, emulsifier, regulator.2.sterilization algaecide: used in circulating cooling water, water for power plant and water injection system of oil fields.3. disinfectant & bactericide: used for medical operation and medical appliance; food processing equipments; sugar making industry; silkworm raising sites etc.