Decyldimethyloctylammonium chloride

Decyldimethyloctylammonium chloride (CAS 32426-11-2), also known commercially as Quaternium-24, is a quaternary ammonium compound used as a biocidal active and conditioning surfactant.

Where is Decyldimethyloctylammonium chloride used?

• Home care and institutional cleaning: broad-spectrum bactericidal activity
• Surface disinfectants, sanitizing sprays and hard-surface cleaners: fungicidal activity
• Personal care: conditioning treatments and scalp-care formulations
• Water treatment: biocidal control of microbial growth in industrial cooling systems and process water circuits
• Industrial disinfectant concentrates: compatibility with other quaternary ammonium actives allows blended formulations to meet broader efficacy standards
• Its cationic charge drives antimicrobial performance and surface substantivity.

Commercial specifications

• Active content around 50% or 80%
• Technical and industrial grades standard; cosmetic grade for personal care requiring specific purity
• Drums and IBCs