Barquat® MB Products

Biocidal action against microbial organisms Effective microbicide, deodorant, and algicide.

When used as an active ingredient in water treatment formulations, Barquat® MB has been found to provide effective biocidal action against a broad spectrum of microbial organisms such as bacteria, fungi, viruses and algae. This “first” generation quaternary ammonium compound delivers potent germicidal action in cooling water applications. Also available in 80% concentration.

There are variations available of our Barquat® MB product, find the correct application for you below.


  • High germicidal activity in hard water
  • Cationic surface-acting agent
  • Fast-acting biocidal agents
  • Moderately long duration of action
  • Various carbon chain lengths
    • Broad spectrum of efficacy (less defined carbon chain range (C8-C18)
    • Greatest biocidal activity associated with the C12 (dodecyl) & C14 (myristil) alkyl derivatives.
  • Commodity (price/registration)
  • Highly foaming
  • Sensitizing potential


Initial dose: 2ppm, followed by a maintenance dose of 0.5 ppm every 5-7 days

Restrictions / Regulatory

Incompatible with soap or anionic surface active agents. Active substance is being supported under that particular Product Type of the BPR (Biocidal Product Regulation, European Union):

  • PT2 Private area and public health area disinfectants and other biocidal product
  • PT11 Preservatives for liquid-cooling and processing systems
  • PT12 Slimicides

Regulation 1907/2006, article 15(2) Customers must ensure compliance with any local regulatory requirements which may apply to their end use product, formulated with this formulation.