Cocotrimonium chloride

Cocotrimonium chloride (CAS 61789-18-2) is a cationic quaternary ammonium surfactant derived from coconut oil fatty acids. Also marketed as Arquad C 33.

Where is Cocotrimonium chloride used?

• Personal care: conditioning agent, emulsifier and surface modifier
• Hair care: adsorbs onto negatively charged hair fibers for detangling, softness and static control in conditioners and rinse-off treatments
• Home care and industrial cleaning: antimicrobial and antistatic additive
• Fabric softeners, hard surface cleaners and disinfectant concentrates
• Textile processing: fiber lubricant and softening agent in finishing, improving handle and reducing friction on synthetic and natural yarns
• Paper manufacturing: wet-strength aid and surface sizing additive, improving sheet integrity and printability

Commercial specifications

• Aqueous solution, typically 25–35% active content
• Technical and cosmetic grades; cosmetic grade meets purity requirements for personal care formulation
• Bulk supply in drums and IBC totes
• Documentation including COA and safety data for regulatory compliance