Sodium dioctyl sulfosuccinate
Description
Sodium dioctyl sulfosuccinate is an anionic surfactant used extensively in agriculture as a high-performance adjuvant. It acts as an essential additive for crop protection formulations, helping to improve the physical properties of spray solutions. Although it does not possess inherent pesticidal activity, it is vital for ensuring that herbicides, fungicides, and insecticides perform optimally in the field.
The primary mechanism of action is the dramatic reduction of the surface tension of water. This allows spray droplets to spread rapidly across hydrophobic leaf surfaces, such as those covered in waxy cuticles or dense trichomes. By increasing the wetting and spreading ability of the solution, the adjuvant significantly enhances the contact area between the active ingredient and the target plant or pest.
This compound is used on a vast range of crops, including cereals, fruits, vegetables, and ornamentals. It is particularly valuable in tank mixtures with systemic herbicides, where rapid uptake into the plant's vascular system is required to achieve effective weed control. It is also widely used in fungicidal applications to ensure complete coverage of dense foliage.
Using sodium dioctyl sulfosuccinate provides several economic and agronomic benefits, such as the ability to reduce active ingredient rates while maintaining high efficacy. By reducing droplet runoff and improving adherence, the amount of chemical reaching the soil is minimized, which supports more sustainable farming practices. It also aids in overcoming adverse environmental conditions that might otherwise reduce performance.
Regarding safety and application precautions, handlers should always wear appropriate personal protective equipment, including gloves and eye protection, to prevent irritation from concentrated formulations. It is recommended to perform a jar test when mixing with multiple pesticides to ensure chemical compatibility. Always follow label instructions to optimize mixing sequences and application rates.
Status in the European Union
Not approved in the EU
- CAS number
- 1639-66-3
- Category (EU)
- AC - Acaricide
Regulatory status data: EU Pesticides Database © European Union, CC BY 4.0. EU status is for reference only and does not replace national registration in your country.