NOMENCLATURE Common name metribuzin (BSI, E-ISO, WSSA); m├ętribuzine ((f) F-ISO) IUPAC name 4-amino-6-tert-butyl-4,5-dihydro-3-methylthio-1,2,4-triazin-5-one; 4-amino-6-tert-butyl-3-methylthio-1,2,4-triazin-5(4H)-one Chemical Abstracts name 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one CAS RN [21087-64-9] EEC no. 244-209-7


Selective systemic herbicide, absorbed predominantly by the roots, but also by the leaves, with translocation acropetally in the xylem.


Pre- and post-emergence control of many grasses and broad-leaved weeds in soya beans, potatoes, tomatoes, sugar cane, alfalfa, asparagus, maize and cereals, at 0.07-1.05 kg a.i./ha.

Production formulation

Metribuzin 48%SC
Metribuzin 70%WP
Metribuzin 70%WDG
Metribuzin 75%WP