NOMENCLATURE Common name clomazone (BSI, ANSI, draft E-ISO, (f) draft F-ISO) IUPAC name 2-(2-chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one; 2-(2-chlorobenzyl)-4,4-dimethylisoxazolidin-3-one Chemical Abstracts name 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone CAS RN [81777-89-1]


Selective herbicide, absorbed by the roots and shoots and translocated upward. Susceptible species emerge but are devoid of pigmentation.


Control of broad-leaved and grass weeds in soya beans, peas, maize, oilseed rape, sugar cane, cassava, pumpkins, and tobacco. Applied pre-emergence or pre-plant incorporated.

Production formulation

Clomazone 48%EC