Bronopol, or 2-Bromo-2-nitro-1,3-propanediol, is an organic compound with wide-spectrum antimicrobial properties. Bronopol is used as a microbicide or microbiostat in various commercial and industrial applications, including oil field systems, air washer systems, air conditioning or humidifying systems, cooling water systems, papermills, absorbent clays, metal working fluids, printing inks, paints, adhesives and consumer products.