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Specification |
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Active Ingredient |
95% min., 92% min. |
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Appearance |
Light yellow to purple liquid with a faint, sweet
odor. |
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Physical and chemical
properties |
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Chemical Name |
N-butoxymethyl-2-chloro-2’,6’-diethylacetanilide |
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Empirical Formula |
C17H26ClNO2 |
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Molecular Weight |
311.9 |
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Structural Formula |
 |
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Melting point |
-2.8 to 1.7°C |
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Solubility |
In water 20 mg/l (20°C). Soluble in most organic
solvents, including diethyl ether, acetone, benzene, ethanol, ethyl
acetate, and hexane. |
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Vapor pressure |
0.24 mPa (25°C) |
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Corrosive properties |
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Explosive properties |
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Combustible properties |
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Application |
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Butachlor is a selective systemic herbicide,
absorbed primarily by the germinating shoots, and secondarily by
the roots, with translocation throughout the plant, giving higer
concentrations in vegetative parts than in reproductive parts.
Used pre-emergence for the control of annual grasses and certain
broad-leaved weeds in rice, both seeded and transplanted. It shows
selectivity in barley, cotton, peanuts, sugar beet, wheat and several
brassica crops. Effective rates range from 1.0-4.5 kg a.i./ha. Activity
is dependent on water availability such as rainfall following treatment,
overhead irrigation or applications to standing water as in rice
culture.
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