Toltrazuril is a triazine derivate that is highly effective against protozoan infections (coccidia, toxoplasmosis, sarcocystis) and mainly administered in roosters and laying hens. It is primarily used as a water treatment.

Chemical name

  • 1-methyl-3-{3-methyl-4-[4-(trifluoromethyl)thio]phenoxy]-phenyl}-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione

Product details

  • CAS number: 69004-03-1
  • Molecular formula: C18H14F3N3O4S
  • Molecular weight: 425.38 g/mol


Toltrazuril is supplied from a source carefully qualified by WELDING with comprehensive documentation such as ASMF and national GMP.


  • Dual-layer LDPE bag in a cardboard drum; 25 kg net/drum      


Welding GmbH & Co. KG is not the manufacturer of the product. All product information and analytical data serves only as a product description and has been provided to us by the manufacturer. It may not be interpreted as a guarantee of special properties or a guarantee of suitability for specific purposes. The customer is required to examine the suitability of the product for the intended purpose himself/herself before use.