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Glyphosate was originally used for controlling of grass weeds in rubber plantations and can allow the rubber tapping a year earlier and increase the production capacity of the old rubber tree. It is currently gradually extended to forestry, orchards, mulberry fields, tea plantations, rice and wheat, and rape rotation land. Different kinds of weeds have different sensitivity to glyphosate and therefore the dosage is also different. For example, for weeds such as barnyardgrass, green bristlegrass, Alopecurus aequalis, Eleusine indica, crabgrass, cleavers and other annual weeds, the dosage calculated according to the amount of the active ingredient should be 6~10.5 g/ 100 m2. For semen plantaginis, horseweed, and dayflower, the dosage of being an active ingredient should be 11.4~15g/100m2. For cogon, Panicum repens, and reeds, the dosage can be 18~30 g /100m2, generally the used amount of water should be 3~4.5 kg. Apply direct and even spray to the stems and leaves of the weed. It is a kind of non-selective, post-emergent herbicide with short residue life. It can be used for control of perennial deep roots weeds, annual and biennial weeds, sedges and broadleaf weeds. Glyphosate is an organic phosphorus herbicide and its herbicidal property was found by D. D. Baird (US) in 1971. Until to the 1980s, it has become an important species in the world herbicide. Herbicide Nonselective, postemergence, broad spectrum herbicide used to control annual and perennial grasses, sedges, broad-leaved and emerged aquatic weeds. This herbicide is also used to control insects on fruit trees.

Dimethyl Carbonate

Dimethyl carbonate (DMC) is an organic compound with the formula OC(OCH3)2. It is a colourless, flammable liquid. It is classified as a carbonate ester. This compound has found use as a methylating agent and more recently as a solvent that is exempt from the restrictions placed on most volatile organic compounds (VOCs) in the US. Dimethyl carbonate is often considered to be a green reagent. Dimethyl carbonate product can be used as traditional substitute of toxic materials phosgene, dimethyl sulfate and methyl chloride and so on. It can be used for synthesis of polycarbonate, diphenyl carbonate, isocyanate and allyl diglycol carbonate ester; it can also used for the synthesis of various kinds of carbamate pesticides such as carbaryl and so on; it can also be used as intermediate of organic synthesis such as anisole, dimethoxybenzene, alkylated aryl amines, symmetrical diamine urea, methyl carbazate and so on; in the pharmaceutical industry, it can be used for making amino oxazolidinone, ciprofloxacin, β-keto acid ester class pharmaceutical intermediates. In addition, it can be used as additives of gasoline, diesel fuel, the refrigerator oil and solvent.


It is a broad-spectrum, systemic conductivity type, selective herbicide for paddy field. It can be absorbed by the roots and shoots of weeds, and has a strong inhibitory effect on the growth points of the weeds and the mitosis of the cells, causing the death of the weeds. It has special effects on annual grass weeds and sedge weeds, and can also control some broad-leaved weeds. Seedling field and direct seeding field can be treated before sowing or seedling stage. Before sowing, spray water with 50% emulsifiable concentrate 30~37.5mL/100m2, irrigate the shallow water layer, and drain and sow after 2~3d, when seedling stage treatment, when the rice seedling grows from one leaf and one heart to two leaves and one heart, use 5% emulsified oil 22.5 ~30mL/100m2 spray water, keep the shallow water layer for 3~4d.

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Pimesulfuron-Ethyl is mainly used as a herbicide in paddy fields and can be used in various types of paddy fields


Quinclorac is a disubstituted quinolinecarboxylic acid that is part of a new class of highly selective auxin herbicides. Quinclorac is used in rice to control dicotyledonous and monocotyledonous weeds, particularly barnyardgrass (Echinochloa crus-galli). Quinclorac is also used for weed control in turfgrasses.

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Methyl Benzoate

Methyl benzoate is an organic compound. It is an ester with the chemical formula C6H5CO2CH3. It is a colorless liquid that is poorly soluble in water, but miscible with organic solvents. Methyl benzoate has a pleasant smell, strongly reminiscent of the fruit of the feijoa tree, and it is used in perfumery. It also finds use as a solvent and as a pesticide used to attract insects such as orchid bees.

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Herbicide: Used as a post-emergence sulfonylurea herbicide to control a variety of weeds on field corn and popcorn crops. Some formulations may be U.S. EPA restricted Use Pesticides (RUP). Approved for use in EU countries.

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A phenyl urea herbicide. Pre-emergent herbicide. Diuron is a urea compound used as a preemergence herbicide in soils to control germinating broad-leaved grasses and weeds in crops such as apples, cotton, grapes, pears, pineapple and alfalfa; sugar cane ?owering depressant.

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2-Mercaptobenzothiazole is an intermediate of the herbicide benzothiazide, as well as a rubber accelerator and its intermediate. 2-Mercaptobenzothiazole is a general-purpose vulcanization accelerator widely used in various rubbers. It has a rapid promotion effect on natural rubber and synthetic rubber usually vulcanized with sulfur. However, the use of zinc oxide, fatty acid and other activation is required. Often used in combination with other accelerator systems, such as dithiothiuram and tellurium dithiocarbamate can be used as an accelerator for butyl rubber; used in combination with a tribasic lead maleate chemicalbook, can be used for light colors Water-resistant chlorosulfonated polyethylene compound. It is often used in combination with dithiocarbamate in latex, and can be vulcanized at room temperature when used with diethyldithiocarbamate diethylamine. The product is easy to disperse in rubber and does not pollute. However, due to its bitter taste, it is not suitable for food contact rubber products. Accelerator M is an intermediate of accelerators MZ, DM, NS, DIBS, CA, DZ, NOBS, MDB, etc. 2-mercaptobenzothiazole with 1-amino-4-nitroanthraquinone and potassium carbonate in dimethyl Reflux in formamide for 3h to prepare dye-dispersed brilliant red S-GL (CIDisperseRed121). This dye is used for dyeing polyester and its blended fabrics. When 2-mercaptobenzothiazole is used as an electroplating additive, it is also called acid copper plating brightener M, and it is used as a spreading brightener in bright copper plating with copper sulfate as the main salt. In addition, the product is also used to prepare pesticide fungicides, nitrogen fertilizer synergists, oil removal and lubrication additives, organic anti-ashing agents in photographic chemistry, metal corrosion inhibitors, etc. In addition, it is a reagent for chemical analysis. The product has low toxicity and has a stimulating effect on the skin and mucous membranes.

2-Chloronicotinic acid

2-chloronicotinic acid is used as a pharmaceutical intermediate for the manufacture of nicotin, niflunomide, etc.; pesticide intermediates, for the manufacture of nicosulfuron, fluroxypyr, etc.; 2-chloro-3-pyridine Carboxylic acid is an intermediate of the herbicides nicosulfuron and pyraclostrobin. ; Medicine and pesticide intermediates.
Herbicides are agents that can cause weeds to die completely or selectively, also known as herbicides, a class of substances used to eliminate or inhibit plant growth. Commonly used varieties are organic compounds, which can be widely used to control weeds, mixed irrigation, weeds and other harmful plants in farmlands, orchards, flower nurseries, grasslands and non-cultivated land, railway lines, rivers, reservoirs, warehouses, etc. "Herbicide" on ECHEMI mainly supplies chemicals for herbicides.
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