Benzododecinium chloride

Benzododecinium chloride (CAS 139-07-1), also identified commercially as BAC-C12 and Cequartyl A, is a quaternary ammonium compound used as a cationic surfactant and broad-spectrum biocide.

Where is Benzododecinium chloride used?

• Water treatment: controls microbial growth in cooling towers, industrial process water and oilfield systems
• Pharmaceutical and healthcare: topical antiseptics, wound care and hard-surface disinfectants
• Personal care: conditioning shampoos, skin sanitizers and preservative systems
• Industrial cleaning concentrates: combined surfactancy and biocidal action
• It also functions as an antimicrobial preservative and emulsification agent.

Good to know: Technical and pharmaceutical grades are the most commonly sourced; pharmaceutical-grade material meets USP or Ph. Eur. specifications for regulated formulations and medical products.

Commercial specifications

• Aqueous solution, typically 50% active content
• Other concentrations available depending on application requirements