Hexythiazox

Pure product is white cry stal, odorless.m.p. 108 ～ 108.5℃ , vapor

pressure 3.4×10-6Pa(20℃ ). solubility at 20℃ : acetone 160g/L,

methanol 20.6g/L, acetonitrile 28.6g/L, xylene 362g/L, hexane 3.9g/

L, water 0.5mg/L. stable at 50℃ for 3 months, hydrolysis in acid

and alkaline medium, half-life 8d in soil. Can be hydrolyzed, half-life

7×104h (pH=5-7), 1.2×104h (pH=9), half-life 8d in soil. stable to heat.

Broad insecticidal spectrum, with high acaricidal activity against mock mites, holothurians, etc.

Hexythiazox is a selective acaricide widely used in agriculture to control mite infestations on crops. It is particularly effective against the egg and larval stages of mites, making it a preventive solution for long-term mite management. Hexythiazox is often used in integrated pest management (IPM) programs due to its targeted action and compatibility with beneficial insects.

Key Features

1. Chemical Formula: C17H21ClN2O2S

2. Mode of Action: Inhibits mite development by disrupting molting and growth processes.

3. Target Pests: Spider mites, red mites, and other harmful mite species.

4. Formulations: Commonly available as emulsifiable concentrates (EC) or suspension concentrates (SC).

Applications

Agricultural Use

• Crops:

  • Fruits: Apples, citrus, and pears.

  • Vegetables: Tomatoes, peppers, and cucumbers.

  • Field Crops: Cotton, tea, and ornamental plants.

  
  

• Target Mites: Controls eggs and early developmental stages of spider mites and other mite species.

Integrated Pest Management (IPM)

• Compatibility: Safe for use with natural predators and beneficial insects, supporting sustainable pest control practices.

Mode of Action

Hexythiazox acts as a growth regulator, specifically targeting the egg and larval stages of mites. It interferes with the molting process and prevents the transition to adulthood, effectively breaking the life cycle of mites.

Advantages

1. Selective Action: Targets mites without harming beneficial insects or pollinators.

2. Long Residual Effect: Provides extended protection by preventing mite development for several weeks.

3. Resistance Management: Effective against mites resistant to other acaricides.

4. Crop Safety: Gentle on crops with minimal risk of phytotoxicity.

Safety and Environmental Considerations

Handling and Storage

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

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

Environmental Impact

• Aquatic Toxicity: Toxic to fish and aquatic organisms; avoid runoff into water bodies.

• Non-Target Effects: Safe for bees and predatory insects when used according to label directions.

Human Health Risks

• Toxicity: Low toxicity to humans; however, prolonged exposure may cause mild irritation.

• First Aid:

  • Skin Contact: Wash thoroughly with soap and water.

  • Eye Contact: Rinse with clean water for at least 15 minutes.

  • Inhalation: Move to fresh air and seek medical attention if symptoms persist.

  
  

Limitations

1. Egg and Larval Targeting Only: Ineffective against adult mites; may require additional treatments.

2. Environmental Persistence: Can persist in soil and water, necessitating careful application to avoid contamination.

3. Regulatory Restrictions: Usage may be limited in some regions due to environmental concerns.

Conclusion

Hexythiazox is a valuable acaricide for managing mite infestations, particularly in their early stages. Its selective action, long-lasting efficacy, and compatibility with beneficial insects make it an excellent choice for sustainable agriculture. Proper application and adherence to safety guidelines maximize its benefits while minimizing environmental impact.