Herbicide Chlorfenapyr Acetochlor Products 900G/L EC 50%EC 95%TC
Other Names: 2-Chloro-2'-methyl-6'-ethyl-N-ethoxymethyl; Harness; 2-Chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide; 2-Chloro- 2'-methyl-6'-ethyl-N-ethoxymethyl-acetanilide; Acenit; MON-097; Top Hand; Topnotc; Hennessy
CAS NO.: 34256-82-1
EINECS: 251-899-3
Physical & Chemical Properties
| Molecular formula | C14H20ClNO2 |
| Molecular weight | 269.7671 |
| Melting point | <0°C |
| Boiling point | bp0.4torr134° |
| Density | 1.1 |
| Refractive index | nD201.5272 |
| Flash point | >68°C |
| Storage conditions | 0-6°C |
| Acidity coefficient | 1.29±0.50 |
| Water solubility | 222.8mg/L(temperaturenotstated) |
Chemical Structural formula：
Appearance: The pure product is a light yellow liquid, and the original drug is dark red due to impurities.
Common dosage forms
990g/L EC, 900g/L EC, 50%EC, 50% acetochlor microemulsion, and 50% acetochlor water emulsion.
The main purpose
It is a pre-emergence herbicide, which can control annual gramineous weeds and some annual broadleaf weeds. It is suitable for corn, cotton, beans, peanuts, potatoes, rape, garlic, tobacco, sunflower, castor, green onions, etc. .
Control object
Annual grass weeds and some broad-leaved weeds with small seeds. It has specific effects on annual gramineous weeds such as crabgrass, setaria, goosegrass, barnyardgrass, stephen, wild oats, bluegrass, hard grass, and Eragrostis. It has special effects on Chenopodiaceae, Amaranthaceae, Polygonaceae, Commelina communis, cow chickweed, mulberry, and other broad-leaved weeds also have a certain control effect, but the effect is worse than that of gramineous weeds and ineffective against perennial weeds.
Mechanism of action
Acetochlor is a selective pre-emergence herbicide. It is mainly absorbed by the coleoptile of monocotyledonous plants or hypocotyls of dicotyledonous plants. After absorption, it conducts upwards. It mainly inhibits cell growth by hindering protein synthesis and makes weed shoots. , Young roots stop growing and die. The ability of grass weeds to absorb acetochlor is stronger than that of broadleaf weeds, so the effect of controlling grass weeds is better than that of broadleaf weeds. The effective period of acetochlor in the soil is about 45 days. It is mainly degraded by microorganisms, and has little mobility in the soil, and is mainly maintained in the 0-3 cm soil layer.
Instructions
1. Corn field: 420-720 ml of 90% acetochlor EC is used for corn per acre, low quantity is used for soil moisture, and high quantity is moderately used for drought. Topsoil spray before or after sowing before emergence.
2. Peanut field: use 360-480 ml of 90% acetochlor EC per acre, spray the topsoil before seeding or after seeding.
3. Cotton field: 600-720 ml of 90% acetochlor EC per acre is used for mulching cotton fields in Xinjiang area, and spraying the topsoil before or after planting. After applying acetochlor in the cotton field, when encountering low temperature and high humidity, the growth of cotton seedlings may be slightly affected. Generally, the growth can be restored after a sunny day. Improper use of cotton fields will result in failure to emerge, so use must be cautious.
4. Potato field: 600-840 ml of 90% acetochlor EC per acre, spray the topsoil before or after seeding.
5. Soybean field: use 480-600ml of 90% acetochlor EC per acre, spray the topsoil before or after seeding.
6. Rape field: use 360-480 ml of 90% acetochlor EC per acre, spray the topsoil before or after transplanting.
7. Sugarcane field and garlic field: 480-600ml 90% acetochlor EC per acre, spray the topsoil before or after planting.
The spray amount of acetochlor should generally be 20-25 kg. When the soil is dry, it should be irrigated and then sprayed, or mixed with 4-6 cm after spraying to ensure the efficacy.
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