PHYSICAL & CHEMISTRY
common  name	bentazone	Vapour pressure	0.46mPa (20℃)
Molecular formula	C10H12N2O3S	Melting point	137-139℃
Molecular weight	240.28	Appearance	Colorless crystals
Solubility	At 20 ℃ solubility is: 150.7% acetone, ethanol 0.02%, water 0.05%.
Stability	To acid, alkali, light stability

TOXICOLOGY
Oral	Rat acute oral LD50 to 1100 mg/kg
Toxicity	Medium toxicity

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.

;