NOMENCLATURE Common name prometryn (BSI from 1984, E-ISO, ANSI, WSSA); prometryne ((f) F-ISO, JMAF and, until 1984, BSI IUPAC name N2,N4-di-isopropyl-6-methylthio-1,3,5-triazine-2,4-diamine Chemical Abstracts name N,N'-bis(1-methylethyl)-6-(methylthio)-1,3,5-triazine-2,4-diamine CAS RN 7287-19-6] EEC no. 230-711-3


Selective systemic herbicide, absorbed by the leaves and roots, with translocation acropetally through the xylem from the roots and foliage, and accumulation in the apical meristems.


Used pre-emergence, at 0.8-2.5 kg/ha, in cotton, sunflowers, peanuts, potatoes, carrots, peas and beans; post-emergence, at 0.8-1.5 kg/ha, in cotton, potatoes, carrots, celery and leeks.

Production formulation

Prometryn 25%WP
Prometryn 50%WP
Prometryn 50%SC