Caprylisononyldimethylammonium chloride

Caprylisononyldimethylammonium chloride (CAS 138698-36-9) is a quaternary ammonium compound used as an active biocidal ingredient. Also marketed as Bardac 2170 and Bardac 21.

Where is Caprylisononyldimethylammonium chloride used?

• Home care and institutional cleaning: active quat in disinfectant concentrates, hard surface sanitizers and no-rinse floor cleaners
• Personal care: conditioning rinses and leave-on treatments for deposition on hair or skin
• Textile and leather: softening and antistatic agent in finishing stages
• Paper manufacturing: surface sizing and wet-end chemistry
• Its cationic charge enables adsorption onto negatively charged surfaces, supporting antimicrobial performance and soil removal.

Commercial specifications

• Bardac 2170: 70% active concentrate
• Drums to IBC totes