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Acetochlor 40%Wp, 50%EC, 90%EC herbicide
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Acetochlor 40%Wp, 50%EC, 90%EC herbicide

EINECS 251-899-3
CAS No. 34256-82-1
Density 1.119 g/cm3
Melting Point<0 °C
Formula C14H20ClNO2
Boiling Point 391.5 °C at 760 mmHg
Molecular Weight 269.80
Flash Point 190.5 °C
Transport Information
UN 3082 9/PG 3
Appearance Brown liquid
Safety 2-36/37-60-61
Risk Codes 20-37/38-43-50/53
Product Name Acetochlor
CAS No. 34256-82-1
Content & Formulations  40%Wp, 50%EC, 90%EC
Physical & Chemical Property Appearance: Amber to purple transparent liquid
Molecular Formula: C14H20ClNO2
Structural Formula:

Molecular Weight: 269.77 
Solubility: 23 mg/L at 25°C in water. Acetochlor, soluble in alcohol, acetone, toluene and tetrachloride
Boiling Point: 391.5 °C at 760 mmHg
Toxicity Data Oral:Acute oral LD50 for male rats 1210, female rats 1182, male mice 1753, female mice 1805 mg/kg. Phytotoxicity:Most non-graminaceous crops are tolerant.
Transport Information Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

Acetochlor (CAS NO.34256-82-1) is a selective herbicide used for control of most annual grasses and certain broadleaf weeds. The effect in soil can persist for more than 8 weeks. It can be used on peanuts, corn, soybeans, maize, cotton, sunflower, vineyards, onion, green peas, potatoes etc.. Acetochlor (CAS NO.34256-82-1) is applied preemergence, preplant incorporated and is compatible with most other pesticides and fluid fertilizers when used at recommended rates.

Acetochlor can be applied prior to planting or pre-emergence. Following application to the soil, it is absorbed by the shoots and roots of germinating plants. Some moisture is required following pre-emergence application, although acetochlor is more active in dry conditions than other chloroacetamide herbicides. It has residual activity lasting up to ten weeks. In common with other chloroacetamides, acetochlor is less effective at controlling large-seeded broadleaf weeds. Tank-mixing or sequential applications with suitable herbicides are recommended to extend acetochlor's weed spectrum. Acetochlor can also be used in no-till agriculture.



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