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Herbicides

Flazasulfuron

Chemical Name: N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(trifluoromethyl)-2-pyridinesulfonamide

Formula: C13H12F3N5O5S

Molecular Weight: 407.3

CAS No.: 104040-78-0

Structure:

Description: (25%WDG)

Appearance: Odourless, white crystaline powder.

Melting Point: 180°C.

Vapour Pressure: <0.013mPa(25°C).

Solubility: In water 2.1 g/l (pH7,25°C).In octanol 0.2,methanol 4.2,acetone 22.7,toluene 0.56,acetonitrile 8.7(all in g/l,25°C);in hexane 0.5mg/l(25°C).

Stability: DT50 in water 17.4h(PH 4);16.6h(PH 7);13.1h(PH 9) (all 22°C) pKa 4.37 (20°C)

Specification: 25%TC, 25%WDG

Uses: Pre-and post-emergency control of grass and broad-leave weeds and sedges(especially Cyperus brevifolius and Cyperrus rotundus) in warm-season turf (Zoysia and Cynodon spp.),at 25-100 g/ha.Also used in vines and sugar cane,at 35-75 g/ha;and in citrus,olives and on railways and other non-crop land.

 

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