Greentree Chemical Co., Limited is one of the leading manufacturers and suppliers of cas 123312-89-0 insecticide pesticide pymetrozine 50% wdg in China. With abundant experience, our factory offer high quality chemicals made in China with competitive price. Welcome to contact us for free sample.
Pymetrozine is a novel pyridine‑based insecticide. When piercing‑sucking pests such as aphids and planthoppers feed on plant sap containing pymetrozine, the chemical rapidly enters the pest's body. It specifically acts on the muscles at the base of the pest's stylets, affecting their movement so that the stylets cannot properly pierce the plant tissue to suck sap. Even if the pest manages to insert its stylets briefly, continuous feeding is prevented due to impaired stylet movement. After exposure, the pests do not die immediately, but because feeding stops, the damage to crops is greatly reduced within a short time. Eventually, the pests die of starvation over the next 2‑3 days, achieving the purpose of pest control.
| Specification |
97%Tc; 25%Wp; 50%Wdg |
| Chemical Name |
4,5-Dihydro-6-methyl-4-(3-pyridylmethylamino)-1,2,4-3(2H)-one |
| Appearance | Gray granules |
| Molecular Formula |
C10H11N5O |
| Molecular Weight |
217.227 |
| Melting Point |
217°C |
| Solubility |
Solubility (20ºC, g/L): water, 0.27; ethanol, 2.25; n-hexane, <0.01. |
| Stability |
Stable to light and heat, stable under weak acid and weak base conditions. |
| pH | 8.0-10.0 |
| Structural Formula |
|
Products Features
(1) Broad insecticidal spectrum: Pymetrozine can be used on many crops, including wheat, cotton, rice, vegetables, and fruit trees. It is effective against almost all types of piercing‑sucking pests, such as wheat aphids, cotton aphids, peach aphids, small brown planthoppers, brown planthoppers, and greenhouse whiteflies. Typically, within 2‑3 hours after application, pests begin to stop feeding, effectively limiting and reducing crop damage caused by insects.
(2) Strong systemic activity: Pymetrozine has excellent systemic translocation properties. It is rapidly absorbed by the roots, stems, and leaves of crops and moves both upwards and downwards within the plant. When absorbed by the roots, it is transported upward to all parts of the plant. When sprayed on leaves, it is translocated within the leaf and can diffuse to both upper and lower parts of the plant. This allows the active ingredient to reach hidden feeding sites, so that even pests feeding on the undersides of leaves or inside stems come into contact with the chemical, achieving comprehensive control.
(3) No cross‑resistance: Unlike conventional neonicotinoid, organophosphorus, and pyrethroid insecticides, pymetrozine has a unique mode of action and exhibits no cross‑resistance with other traditional insecticides. In pest management, rational use of pymetrozine can effectively delay the development of pest resistance, prolong the useful life of the product, and ensure long‑term, stable control.
(4) High safety profile: Pymetrozine is relatively safe to the environment and non‑target organisms. At normal use rates, it is relatively safe to natural enemies such as ladybird beetles (ladybugs) and lacewings, and has low impact on mammals, birds, and other organisms. Additionally, it is degradable in soil and water and does not readily accumulate in the environment. Moreover, at recommended concentrations, it does not cause phytotoxicity and is safe to crops.
Suitable Crops and Target Pests
Food crops
Rice: controls planthoppers and leafhoppers.
Wheat: controls wheat aphids and wheat leafhoppers.
Corn (maize): controls pests such as corn aphids.
Cash crops
Cotton: controls cotton aphids and cotton leafhoppers.
Vegetables (e.g., cucumber, tomato): controls whiteflies and aphids.
Fruit trees (e.g., citrus, apple): controls psyllids and aphids on citrus, aphids on apple, and other piercing-sucking pests.
Our Advantages
1. Good quality + factory price + quick response + reliable service is what we try our best to provide you.
2. All our products are produced by our professional workers, we have our efficient foreign trade team, you can completely trust our service.
3. We have 10+ years of manufacturing and sales experience, we cherish every order from our honor and provide you with professional services.
Products Package
100g/bag, 250g/bag, 500g/bag, 1000g/bag, 10kg/box or 25kg/barrel, provide packaging according to your needs.

FAQ
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