Benzalkonium Bromide

Cationic surfactant

Benzalkonium Bromide

  • INCI Name:          Benzalkonium Bromide
  • Chemical Name: Quaternary ammonium compounds, benzyl-C8-18-alkyldimethyl, bromides
  • CAS No:                7281-04-1

Benzalkonium bromide is a cationic surfactant with good surface activity and good killing ability to bacteria such as pyogenes and intestinal bacteria. Benzalkonium bromide has the ability to kill gram-positive bacteria. stronger than Gram-negative bacteria. Its functions

  • Antimicrobial : Helps slowing the growth of micro-organisms on the skin and counteracts the development of microbes
  • Antistatic : Reduces static electricity by neutralizing electrical charge on a surface
  • Deodorant : Reduces or masks unpleasant body odors
  • Preservative : Inhibits the development of microorganisms in cosmetic products.
  • Surfactant-dispersing : Help distribute an insoluble solid in a liquid phase. Suspensions or dispersions of liquids in a second liquid are generally called emulsions.

Especially for its antimicrobial activity, benzalkonium bromide is an active ingredient in many consumer products.

Uses & Applications

Personal care

  • Pharmaceutical products such as eye, ear and nasal drops or sprays, as a preservative.
  • Personal care products such as hand sanitizers, wet wipes, shampoos, soaps, deodorants and cosmetics.
  • Skin antiseptics and wound wash sprays, such as Bactine.
  • Throat lozenges and mouthwashes, as a biocide
  • Spermicidal creams.
  • Cleaners for floor and hard surfaces as a disinfectant, such as Lysol and Dettol antibacterial spray and wipes.

Product Details









Light yellow gel

Light yellow liquid

Light yellow to colorless liquid



pH value (10% solution)


Free amine %

≤ 2.0

Shelf Life

24 months

Download Data Sheet

Technical Data Sheet — Benzalkonium Bromide

Material Safety Data Sheet– Benzalkonium Bromide

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