The Tolcide® PS A Series is Solvay's 3rd generation THPS range specially formulated with enhanced biocidal performance. These products offer excellent control of biofilm, MIC, souring, iron sulfide, and schmoo. These ready to use biocides combine both THPS and biopenetrant to give superior microbial control. Applications include water-floods, pipelines, drilling muds, completion fluids, well remediation, fracturing, industrial water treatment and more.


  • Global Business Unit
  • Brand
  • Synonyms


Segments Applications
Oilfield Chemicals Production

Chemical categories

Chemical category Chemical family Chemical product
Phosphorus Specialties Phosphonium Salts Tetrakis Hydroxymethyl Phosphonium Sulfate

Region of commercial availability

  • North America

Download documentation for Tolcide Ps70a