Common name

clomazone

Product category

Herbicide

Chemical name

2-(2-chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one; 2-(2-chlorobenzyl)-4,4-dimethylisoxazolidin-3-one 

CAS Number

81777-89-1

Molecular formula

C₁₂H₁₄ClNO₂

appearance

Clear, colourless to light brown, viscous liquid(TC)

packing

application

Biochemistry

Inhibits carotenoid biosynthesis; target enzyme not known. 

Mode of action

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

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.

Phytotoxicity

Foliar contact or vapours may cause visual symptoms of chlorosis to nearby sensitive plants. 

Formulation types

CS; EC; WP. 

Compatibility

Compatible with many other herbicides, e.g. metribuzin, linuron, chloramben, alachlor, trifluralin, pendimethalin, metolachlor, oryzalin or ethalfluralin.