With options available globally for use in biofouling control, anaerobic microbial control, and fluid preservation, the comprehensive AQUCAR™ Water Treatment Microbiocides portfolio includes key chemistries (link to chemistries) such as glutaraldehyde, glut/quat blends, DBNPA, bronopol, OPP and dimethyl-oxazolidine.

AQUCAR™ 742 Water Treatment Microbiocide for the Oilfield

The AQUCAR™ family of oilfield microbiocides are glutaraldehyde-based biocides which have found wide-spread use in a variety of oil and gas operations. The Dow Chemical Company offers several different AQUCAR 742 microbiocide formulations that are ideally suited to meet the diverse demands of most oil and gas applications.

Used In:

  • Waterfloods
  • Gas Storage Wells and Systems
  • Hydrotesting
  • Pipeline Pigging and Scraping Operations


  • Synergistic blend of glutaraldehyde and a quaternary ammonium compound
  • Specially formulated to help rapidly clean microbiologically fouled surfaces
  • Extremely fast acting
  • Compatible with most commonly used system additives (scale and corrosion inhibitors)

Typical Properties

Footnote:  Please Note That Not All Products Are Registered In All Regions For All Applications. Please Contact Your Local Dow Representative For Detailed Technical Information Applicable To Your Individual Situation.; Use Biocides Safely. Always Read The Label And Product Information Before Use.


  •  Asia Pacific
  •  Europe
  •  Latin America
  •  North America