DBNPA

DBNPA is a fast-acting, non-oxidizing biocide widely used for microbial control in industrial water systems and process applications. Known for its rapid action against bacteria, fungi, and algae, DBNPA is effective at low concentrations and degrades quickly, minimizing environmental impact.

Overview

DBNPA (2,2-Dibromo-3-nitrilopropionamide) is a highly effective, non-oxidizing biocide that provides rapid microbial control in a wide range of industrial applications. DBNPA acts by quickly penetrating cell walls and inhibiting metabolic functions, resulting in near-instant cell death. It is non-persistent, hydrolyzing rapidly in water into non-toxic byproducts, which makes it especially attractive for systems requiring fast kill and rapid degradation. DBNPA is suitable for use in paper manufacturing, cooling water treatment, oil and gas fields, and reverse osmosis systems. It is particularly suitable for paper mills, cooling towers, oilfields, and membrane systems. With broad compatibility and a short half-life, DBNPA ensures effective microbial control without long-term residue. Its low odor and minimal impact on system chemistry make it a reliable choice for critical applications.

Benefits

  • Fast-Acting Biocide – Delivers rapid microbial kill at low concentrations

  • Non-Oxidizing Chemistry – Compatible with a wide range of systems and materials

  • Rapid Degradation – Breaks down quickly into harmless byproducts

  • Low Environmental Persistence – Reduces environmental burden

  • Effective in Alkaline pH – Ideal for systems with pH 7–9

  • Broad-Spectrum Control – Active against bacteria, fungi, and algae

Applications

  • Paper & Pulp Industry – Controls microbial growth in wet-end and process waters

  • Industrial Cooling Systems – Effective in open and closed-loop systems

  • Oil & Gas Production – Used in fracturing fluids and injection water treatment

  • Membrane Systems (RO/UF) – Protects against biofouling in filtration systems

  • Paints & Coatings (short-term preservation) – Used for manufacturing hygiene

  • Metalworking Fluids – Prevents bacterial degradation of water-based fluids

Properties Table

Property Details
Product Name DBNPA
Chemical Name 2,2-Dibromo-3-nitrilopropionamide
Chemical Type Non-oxidizing biocide
Active Ingredient DBNPA (typically 20% to 40% solutions available)
Physical Form Liquid
Appearance Colorless to pale yellow
Odor Mild, faintly pungent
pH (as supplied) ~4.5 – 6.5
Solubility Completely soluble in water
Density @ 25 °C ~1.20 – 1.30 g/cm³
Flash Point Not flammable
Recommended Use Level 25 – 100 ppm (system dependent)
pH Stability Range Most stable below pH 9
Shelf Life 12 months (in unopened containers)
Packaging Options 25 kg drums, 200 kg drums, 1000 kg IBCs

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