Fenpropathrin

The pure product is white crystal (the original drug is yellowish-brown solid). Melting point 49~50 ℃, vapor pressure 0.73 Pa (20 ℃). Solubility (25 ℃) : water 0.041 mg/L; Cyclohexanone and xylene 1 000, methanol 337 g/L. Decompose easily in alkaline solution.

Stomach-killing insecticides, anti-mite agents; Control tea inchworm, cabbage, cabbage moth, cotton bollworm, red spider, cotton bollworm and so on

Fenpropathrin is a synthetic pyrethroid insecticide and acaricide used to control a wide range of pests in agricultural and horticultural settings. Known for its rapid action and strong knockdown effect, Fenpropathrin is effective against mites and various insects that threaten crops such as fruits, vegetables, and tea.

Key Features

1. Chemical Formula: C22H23NO3

2. Mode of Action: Acts on the sodium channels of the nervous system, causing hyperexcitation, paralysis, and death in pests.

3. Target Pests: Mites, aphids, thrips, whiteflies, leafhoppers, and other sucking and chewing insects.

4. Formulations: Available as emulsifiable concentrates (EC), wettable powders (WP), and other liquid formulations.

Applications

Agricultural Use

• Fruit Crops: Effective against mites and insects in apples, pears, and citrus.

• Vegetables: Controls pests on tomatoes, cucumbers, and peppers.

• Tea and Coffee: Protects crops from mites and leafhoppers.

Horticultural Use

• Ornamental Plants: Used to manage mites and insects that damage flowers and decorative plants.

Mode of Action

Fenpropathrin targets the nervous system of pests by affecting sodium channels. It prolongs the opening of these channels, disrupting normal nerve signal transmission. This leads to rapid paralysis and death, providing a strong knockdown effect.

Advantages

1. Broad-Spectrum Control: Effective against mites and a variety of insects.

2. Rapid Action: Provides quick knockdown of pests.

3. Residual Activity: Offers extended protection after application.

4. Low Application Rates: Effective even at low concentrations.

Safety and Environmental Considerations

Handling and Storage

• Protective Measures: Use gloves, masks, and protective clothing during handling.

• Storage: Keep in a cool, dry place away from food, water, and heat sources.

Environmental Impact

• Aquatic Toxicity: Highly toxic to fish and aquatic organisms; avoid contamination of water bodies.

• Non-Target Effects: Can harm beneficial insects, such as bees; avoid application during bloom periods.

Human Health Risks

• Toxicity: May cause skin and eye irritation; ingestion or inhalation can be harmful.

• Safety Guidelines: Follow recommended usage rates and avoid prolonged exposure.

Limitations

1. Environmental Concerns: Persistence in the environment can affect non-target organisms.

2. Resistance Management: Overuse may lead to pest resistance; rotate with other insecticides.

3. Regulatory Restrictions: Usage is regulated in some countries due to environmental risks.

Conclusion

Fenpropathrin is a potent insecticide and acaricide widely used for its rapid knockdown and broad-spectrum control of pests. While it is a valuable tool in pest management, responsible use, adherence to safety guidelines, and consideration of environmental impacts are crucial to ensure its sustainable application.