... -51-7 3.Assay: >=99.5% or 99.0% water treatment agent-- Bronopol (2-Bromo-2-nitro-1,3-propanediol ... it is widely used in industrial circulating water, algae-killing, paper pulp, paint, plastic, timber-cooling circulating water and other industries . In addition, ... it can be used to prevent daily-used cosmetic products from moldly and corrosion.Water ...