Beta-cyfluthrin
Beta-cyfluthrin: The Professional Insecticide Solution
Beta-cyfluthrin is a highly effective synthetic pyrethroid insecticide widely used in agricultural and urban pest control applications. As a beta-isomer of cyfluthrin, it demonstrates superior insecticidal activity against a broad spectrum of pests while maintaining favorable safety profiles.
Key Features of Beta-cyfluthrin
- Broad-spectrum insecticide effective against multiple pest species
- Fast knockdown action with long residual activity
- Low mammalian toxicity when used as directed
- Excellent stability under various environmental conditions
- Compatible with many agricultural formulations
Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | (RS)-α-Cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate |
| CAS No. | 68359-37-5 |
| Molecular Formula | C22H18Cl2FNO3 |
| Molecular Weight | 434.29 g/mol |
| Appearance | Colorless to light yellow viscous liquid |
| Odor | Slight characteristic odor |
| Solubility | Practically insoluble in water; soluble in most organic solvents |
| Density | 1.27-1.30 g/cm³ at 20°C |
Beta-cyfluthrin Formulations
| Formulation Type | Concentration | Application Method |
|---|---|---|
| Emulsifiable Concentrate (EC) | 50-100 g/L | Foliar spray, space treatment |
| Wettable Powder (WP) | 25-50% | Foliar application, seed treatment |
| Suspension Concentrate (SC) | 50-100 g/L | Foliar spray, soil drench |
| Ultra Low Volume (ULV) | 50-100 g/L | Aerial application, fogging |
Beta-cyfluthrin Target Pests
- Aphids (Aphidoidea)
- Whiteflies (Aleyrodidae)
- Thrips (Thysanoptera)
- Leafhoppers (Cicadellidae)
- Beetles (Coleoptera)
- Caterpillars (Lepidoptera larvae)
- Mosquitoes (Culicidae)
- Cockroaches (Blattodea)
Application Guidelines for Beta-cyfluthrin
| Crop | Pest | Dosage | PHI (days) |
|---|---|---|---|
| Cotton | Bollworm, Aphids | 15-30 g a.i./ha | 14 |
| Vegetables | Whiteflies, Thrips | 10-20 g a.i./ha | 7 |
| Fruits | Fruit borers, Scales | 20-40 g a.i./ha | 21 |
Beta-cyfluthrin FAQ
What is the mode of action of Beta-cyfluthrin?
Beta-cyfluthrin acts as a sodium channel modulator in the insect nervous system. It binds to voltage-gated sodium channels in nerve cells, delaying their closure and causing prolonged sodium influx. This leads to hyperexcitation of the nervous system, resulting in paralysis and eventually death of the target insect. The compound's beta-isomer configuration enhances its binding affinity to insect sodium channels compared to other cyfluthrin isomers.
How does Beta-cyfluthrin compare to other pyrethroids?
Beta-cyfluthrin offers several advantages over other pyrethroids: 1) Higher insecticidal activity at lower application rates due to its optimized stereochemistry, 2) Better photostability compared to many pyrethroids, 3) Lower fish toxicity than some alternatives like cypermethrin, and 4) Broad spectrum control with both contact and stomach action. However, like other pyrethroids, it should be used judiciously to prevent resistance development in target pests.
What are the safety precautions for handling Beta-cyfluthrin?
When handling Beta-cyfluthrin: 1) Always wear appropriate PPE including gloves, goggles, and protective clothing, 2) Avoid inhalation of sprays or dusts, 3) Do not eat, drink, or smoke during application, 4) Wash hands thoroughly after use, 5) Store in original containers away from food and feed, 6) Dispose of empty containers properly, and 7) Follow all label instructions and local regulations. In case of exposure, seek medical attention immediately and have the product label available.
Storage and Handling
- Store in original tightly closed containers
- Keep away from food, drink, and animal feed
- Store in cool, dry, well-ventilated area
- Protect from direct sunlight and temperatures above 50°C
- Keep away from ignition sources and oxidizing agents
Environmental Considerations
Beta-cyfluthrin is highly toxic to aquatic organisms and bees. Avoid application near water bodies or during bloom periods when bees are actively foraging. Buffer zones may be required near sensitive habitats. The compound binds strongly to soil organic matter and has low water solubility, reducing leaching potential. However, care should be taken to prevent runoff into surface waters.
Resistance Management
To prevent resistance development in target pests, rotate Beta-cyfluthrin with insecticides having different modes of action. Follow integrated pest management practices and use the lowest effective rate that provides adequate control. Monitor pest populations for signs of reduced susceptibility. Resistance is more likely to develop in pests with multiple generations per year.
