high quantily bentazone 97%TC 48%SL CAS No.:25057-89-0 Herbicide CAS NO.25057-89-0

3-(1-methylethyl)-1 H -2,1,3-benzothiadiazin-4(3 H )-one 2,2-dioxide 

TC: white to light yellow crystal solid; 

SL:yellow transparent liquid.   

Composition ³96% pure. 

Mol. wt. 240.3 

M.F. C10H12N2O3S  Form Colourless crystals. 

M.p. 139.4-141 °C 

V.p. 0.17 mPa (20 °C)  KOW logP = 0.77 (pH 5), -0.46 (pH 7), -0.55 (pH 9)  Henry 7.167 ´ 10-5  Pa m3

 mol-1 (calc.)  S.g./density 1.41 (20 °C) 

Solubility In water 570 mg/l (pH 7, 20 ºC). In acetone 1387, methanol 1061, ethyl acetate 582,

dichloromethane 206, n-heptane 0.5 ´ 10-3 (all in g/l, 20 ºC). 

Stability:Very resistant to hydrolysis in both acidic and alkaline media. Decomposed by sunlight. 

 pKa 3.3 (24 ºC) 

A contact herbicide Selective contact herbicide, absorbed mainly by the foliage, with very little

 translocation, but also absorbed by the roots, with translocation acropetally in the xylem.

It is used to control Anthemis, Chamomilla and Matricaria app., Chrysanthemum segetum, 

Galium aparune, Lapsana communis and Stellaria media in winter and spring cereals at 1.0-2.0 Kg a.i./ha. Other crops include peanuts, maize, peas, phaseolus beans, rice and soya beans etc.

Bentazon is a postemergence herbicide used for selective control of broadleaf weeds and sedges in beans,rice, corn, peanuts, and mint. Bentazon is a contact herbicide, which means that it causes injury only to the parts of the plant to which it is applied . It interferes with the ability of susceptible plants to use sunlight in the production of energy for survival, a process called photosynthesis. Visible injury to the treated leaf surface usually occurs within 4 to 8 hours, followed by plant death . It should not be used on blackeyed peas or garbanzo beans. It is available as a soluble concentrate