Tribenuron-methyl Common
Name£ºTribenuron-methyl
Chemical Name:
¡¡¡¡methyl-2-[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)methylamino]
¡¡¡¡-carbonyl]amino]sulfonyl]benzoate
Chemical Structure:
¡¡¡¡
CAS NO.:101200-48-0
Specification£º92% min,95% min
Physical & Chemical Properties£º(technical)
¡¡¡¡Mol. wt. 395.4 M.f. C15H17N5O6S
¡¡¡¡Form Light brown , odourless solid . M.p. 141¡æ V.p. 5.2¡Á10£5
mPa (25¡æ) KowlogP= £0.44(pH 7) S.g./density 1.5(25¡æ) Solubility
In water 0.05 (pH 5),2.04 (pH 7) (both in g/l, 20¡æ). In acetone 43.8,
acetonitrile 54.2, carbon tetrachloride 3.12, ethyl acetate 17.5,
hexane 0.028, abd methanol 3.39 (all in mg/l, 25¡æ). Stability Stable
at 45¡æ.On hydrolysis (45¡æ), stable at pH8-10 but rapid loss at pH<
7 or pH> 12. Relatively unstable in most organic solvents.
Mode of Action:
¡¡¡¡A selective systemic sulfonylurea herbicide.
Toxicity:
¡¡¡¡(Rat)Acute oral LD50>5000mg/kg. (Rabbit)Dermal LD50>2000mg/kg.(Rat)Inhalation
LC50>5mg/L. Slightly irritant to eyes. No irritation
to skin.
Formulation:10%WP,20%WP,75%DF,75%WDG,
¡¡¡¡¡¡¡¡¡¡¡¡Tribenuron-methyl+Thifensulfuron-methyl 75%DF
Package:Packed in 25kg drum.
