Original
By certification 
Function
Structure Formula:
Common Name: N-(Butoxymethyl)-2-chloro-N-(2,6-diethylphenyl)acetamide
CAS No.: 23184-66-9
CAS Name: Acetamide, N-(butoxymethyl)-2-chloro-N-(2,6-diethylphenyl)-
Molecular Formula: C17H26ClNO2
Agrochemical Type: Herbicide,
Mode of Action: The product is a herbicide of the acetanilide class.[3] It is used as a selective pre-emergent herbicide.[1] It is extensively used in India in the form of granules in rice as post emergence herbicide.
Advantage
Application of a commercial formulation of the herbicide butachlor (N-butoxymethyl-2-chloro-2′,6′-diethyl acetanilide) at 1 kg a.i. ha–1 to an alluvial soil planted with direct-seeded flooded rice (cv. Annada), significantly inhibited both crop-mediated emission and ebullition fluxes of methane (CH4). Over a cropping period of 110 days, the crop-mediated cumulative emission flux of CH4 was lowered by ∼20% in treated field plots compared with that of an untreated control. Concurrently, ebollition flux of CH4 was also retarded in treated field plots by about 81% compared with that of control plots. Significant relationships existed between CH4 emission and redox potential (Eh) and Fe2+ content of the flooded soil. Application of the product retarded a drop in soil redox potential as well as accumulation of Fe2+ in treated field plots. Methanogenic bacterial population, counted at the maturity stage of the crop, was also low in treated plots, indicating both direct and indirect inhibitory effects of the product on methanogenic bacterial populations and their activity. Results indicate that the product, even at field-application level, can effectively abate CH4 emission and ebollition from flooded soils planted to rice whilst maintaining grain yield.
Specification
| Specification for Butachlor 92%TC | |||
ITEMS |
STANDARDS |
||
Appearance |
slightly yellow transparent liquid |
||
Content of a.i. |
≥95% |
||
Water, % |
≤0.3% |
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Specification for Butachlor 50% EC | |||
ITEMS |
STANDARDS |
||
Appearance |
Buffy clearing liquid |
||
Content of a.i. |
50±2.0 |
||
Water, % |
≤0.40 |
||
pH |
5.0~8.0 |
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Stability at 0℃ |
Qualified |
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Specification for Butachlor 60%ec | |||
ITEMS |
STANDARDS |
||
Appearance |
Buffy clearing liquid, free from any sediment or suspended matter. |
||
Content of a.i. |
60±2.0 |
||
Water, % |
≤0.4 |
||
pH |
5.0~8.0 |
||
Emulsifiable stability(0.5 percent) |
No cream or oil observed. |
||
Stability at 0℃ |
The volume of solid and/or liquid which separates shall not be more than 0.3 ml. |
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Packing: net 25kg in bag or drum or according to client's requirement.
Application
Selective systemic herbicide, absorbed primarily by the germinating shoots, and secondarily by the roots, with translocation throughout the plant, giving higher concentrations in vegetative parts than in reproductive parts. Uses 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/ha. Activity is dependent on water availability such as rainfall following treatment, overhead irrigation or applications to standing water as in rice culture. Phytotoxicity Non-phytotoxic to rice, cotton, barley, wheat, peanuts, sugar beet, and some brassicas.
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