Chemical name: 3-Isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one-2,2-dioxide

Molecular weight: 240.3

CAS NO: 25057-89-0

Chemical structure:

Properties:
The pure product is white odorless crystal.Technical grade Bentazone is a yellow-white crystalline powder without a noticeable odor.The melting point is about 138℃, it decomposes at 200℃. When at 20℃, its vapor pressure is 0.01mPa, water solubility is 0.057％,acetone solubility is 150.7％,alcohol solubility is 86.1％, benzene solubility is 3.3％,cyclohexane solubility is 0.02%.
It is a low-toxic herbicide, the rat acute oral LD50 values are about 1710mg/kg, rat acute dermal LD50>4000mg/kg.

Usage:
It is a contact herbicide which applies to fields of soybean, corn, pea and rice, etc.
Formulation: 95%TECH, 56%SL (w/v), 48%SL (w/v)

Applicable crops: Crops such as soybeans, rice, wheat, barley, corn, sorghum, peanut, etc.

Prevented objects:
In the dryland field, it is used to prevent and kill variety of broad-leaved weeds such as cocklebur, Amaranthus retroflexus, Amaranthus lividus, Amaranthus spinosus, Artemisisa L, Cephalanoplos, thistle, Bur beggarticks, Sticktight, Polygonum lapathifolium, P.nodosum Pers, Parslane, Hibiscus trionum, Galium aparine, Wild Sunflower, Galinsoga parviflora, Wild radish, Salsola, Sida spinosus, Sonlhus Brachyotus, Chickweed, Mandala, Chenopodiaceae, Night shade, Dayflower, Ragweed, Thlaspi caerulescens, Convolvulus, Mustard leaf, Piemarker, Charlock, Brassica, etc.

In the paddy field, it is used to prevent and kill Monochoria korsakowii, Monochoria vaginalis, Forget-me-not, Eleocharis acicularis, Scirpus juncoides, Cyperus difformis, CyperusiriaL., Burbeggartick, Arrowhead, Alisma, Juncellus serotinus, Dayflower, etc.