Cetrimide

Cetrimide (CAS 8044-71-1), also marketed as CTAB (cetyltrimethylammonium bromide), is a quaternary ammonium compound.

Where is Cetrimide used?

• Pharmaceutical manufacturing: topical antiseptic creams and wound cleansing solutions
• Ophthalmic preparations: microbial control where regulatory requirement
• Personal care: anti-dandruff shampoos and conditioning rinses
• Agricultural formulations: emulsifier and wetting agent in pesticide concentrates
• Industrial and institutional cleaning: combined degreasing and bactericidal performance on hard surfaces
• It functions as a cationic surfactant with broad-spectrum antimicrobial activity.

Good to know: Also marketed as CTAB (cetyltrimethylammonium bromide). Grades include BP, Ph. Eur., and USP standards; technical grade is also available for agricultural and industrial cleaning applications.

Commercial specifications

• Concentrations of 40% or 50% w/v
• Grades: BP, Ph. Eur., USP