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Products by Chemistry

Lonza provides a broad portfolio of chemistries can stand alone or be combined and utilized in a wide variety of industries. Our offerings include our leading technologies in biocides, surfactants, adjuvants, water repellents and corrosion inhibitors.

Lonza’s chemistries for biocides include:

  • Poly (hexamethylene biguanide) hydrochloride (PHMB)
  • N-butyl-1,2-benzisothiazolin-3-one (BBIT)
  • Iodopropynyl butyl carbamate (IPBC)
  • Zinc Pyrithione (ZPT)
  • Sodium Pyrithione (NaPT)



  • Copper Pyrithione (CuPT)
  • Zinc Pyrithione and N-butyl-1,2-benzisothiazolin-3-one (BBIT)
  • 1,2-Benzisothiazolin-3-one (BIT)
  • Hexahydro-1,3,5-tris(2-hydroxyethyl)-S-triazine (HHT)
  • 2-methyl-2H-isothiazol-3-one (MIT)
  • 5-chloro-2-methyl-2H-isothiazol-3-one (CMIT)
  • Dithio-2,2'-bis (benzmethylamide)


Lonza’s chemistries for wood preservation include:

  • Carboquat™, Barquat™, Bardac™, and Bardap™ quaternary ammonium compounds
  • Barlox™ amine oxides
  • Isocil™ azoles
  • Isocil™ isothiazolinones
  • Barlene™ tertiary amines
  • Lonzest™ ethoxylated acids, alcohols and esters