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Herbicides

Chloridazon

Chemical Name: 5-amino-4-chloro-2-phenyl-3(2H)-pyridazinone

Formula: C10H8ClN3O

Molecular Weight: 221.6

CAS No.: 1698-60-8

Structure:

Description:

Appearance: Colourless or light brown, odourless solid

Melting Point: 198-206°C

Vapour Pressure: <0.01mPa(20°C).

Solubility: In distilled water 0.34 g/l (20°C). In methanol 15.1, ethyl acetate 3.7, dichloromethane 1.9, toluene 0.1 (all in g/l, 20°C). Practically insoluble in heptane. Stability: Stable up to 50°Cfor ≥2 years. Stable in aqueous media at pH 3-9.

Formulation: 530SL

Uses: Control of annual broadqeaved weeds in sugar beet, fodder beet and beetroot, by application pre plant incorporated, pre-emergence, or post emergence at 1.3-3.25 kga.i./ha. Often used in combination with other herbicides.

 

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