Butachlor



 Specification
 Active Ingredient 92% min.
 Appearance Light yellow to purple liquid with a faint, sweet odor


 Physical and chemical properties
Chemical Name N-butoxymethyl-2-chloro-2’,6’-diethylacetanilide
Empirical Formula C17H26ClNO2
Molecular Weight 311.9
Structural Formula

  

Melting point -2.8 to1.7℃
Solubility In water 20 mg/l (20℃). Soluble in most organic solvents, including diethyl ether, acetone, benzene, ethanol, ethyl acetate, and hexane.
Vapor pressure

 0.24 mPa (25℃)


Formulations 

60% (w/v) EC, 5% G 

 

Application
Butachlor is a selective systemic herbicide, absorbed primarily by the germinating shoots,and secondarily bythe roots,with translocation throughout the plant, giving higherconcentrations in vegetative parts than in reproductive parts.
Used pre-emergence for thecontrol of annual grasses and certain broad-leaved weeds in rice, both seeded andtransplanted.It shows selectivity in barley, cotton, peanuts, sugar beet, wheat and severalbrassica crops.Effective rates range from 1.0-4.5 kg a.i./ha. Activity is dependent on wateravailability such as rainfall followingtreatment, overhead irrigation or applications to standingwater as in rice culture.  

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