Common name bentazone (BSI, E-ISO, (f) F-ISO, JMAF); bentazon (ANSI, Canada, WSSA); bendioxide (Republic of South Africa)
IUPAC name
3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide
Chemical Abstracts name
3-(1-methylethyl)-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide
CAS RN [25057-89-0] EEC no. 246-585-8

APPLICATIONS 
Mode of action
Selective contact herbicide, absorbed mainly by the foliage, with very little translocation, but also absorbed by the roots, with translocation acropetally in the xylem.
Uses
A contact herbicide controlling Anthemis, Chamomilla and Matricaria spp., Chrysanthemum segetum, Galium aparine, Lapsana communis and Stellaria media in winter and spring cereals, at 1.0-2.2 kg a.i./ha. Other crops include peanuts, maize, peas, Phaseolus beans, rice (Cyperus difformis, C. esculentus, C. serotinus, Monochoria vaginalis, Sagittaria pygmaea, S. sagittifolia, Alisma and Commelina spp., Scirpus maritimus and S. mucronatus) and soya beans (Abutilon theophrasti, Capsella bursa-pastoris, Cyperus esculentus, Datura stramonium, Helianthus spp., Polygonum spp., Portulaca spp., Sida spinosa, Ambrosia spp., Sinapis arvensis and Xanthium spp.).
Formulation types
Bentazone 48%SL

Packing details
10ML ~200L for liquid formulations, 1G~25KG for solid formulations