According to the technical data from Guoli Chemical, emulsifiers OS and MS-1 are two high-performance surfactant product combinations, mainly used in pesticide formulation processing and textile printing and dyeing industrial fields.
**Product Definition**
This is a product combination consisting of two surfactants with different chemical properties: emulsifier OS is an anionic type (sodium secondary alkyl sulfonate), and MS-1 is a nonionic type (octylphenol polyoxyethylene ether maleate). The combined use of the two can exert a synergistic effect, providing excellent emulsifying, wetting, and dispersing properties.
**Detailed Description**
Emulsifier OS is an anionic surfactant, appearing as a light yellow to yellowish-brown oily liquid. It has strong emulsifying power, can quickly form a stable emulsion system, excellent wetting and penetration properties, outstanding dispersion performance, and good resistance to hard water and electrolyte stability.
Emulsifier MS-1 is a nonionic surfactant, appearing as a brownish-red viscous liquid. It has excellent comprehensive emulsifying performance, is adaptable to various oil phase systems, outstanding wetting and spreading properties, lasting dispersion stability, and excellent compatibility with various pesticide technical materials and solvents.
**Main Uses**
The core application areas of these two products are as follows:
1. **Pesticide Formulation Processing (Main Use)**
* **Pesticide Emulsifiable Concentrate (EC) Processing**: As a highly effective emulsifier, it quickly dissolves and emulsifies pesticide technical materials, improving the stability and dispersion of EC.
* **Emulsion in Water (EW) Preparation**: Provides excellent emulsification and stabilization effects, preventing formulation stratification and demulsification, extending shelf life.
* **Suspension Concentrate (SC) System**: Improves the wetting and dispersion of solid technical material particles in water, preventing precipitation and caking.
* **Microemulsion (ME) Construction**: Forms a thermodynamically stable microemulsion under low-energy emulsification conditions, enhancing the penetration and systemic effects of the formulation.
* **Pesticide Tank Mix Adjuvant and Formulation Combination**: Improves the compatibility of multiple active ingredients, improving the spread and adhesion of spray liquid on leaf surfaces, providing a synergistic effect.
2. **Textile Printing and Dyeing and Other Industrial Applications**
* Can be used as a compounding component for pretreatment and finishing auxiliaries in textile printing and dyeing.
* Applied in industrial cleaning and emulsion polymerization systems.
**Precautions**
The two products have different safety profiles and need to be treated differently:
* **Emulsifier OS**: It is irritant and **causes skin irritation (H315) and serious eye irritation (H319)**. Protective gloves and goggles must be worn during operation.
* **Emulsifier MS-1**: According to current standards, it has no hazard classification and is a low-risk chemical, but conventional chemical hygiene practices are still recommended.
The above information is based on the Guoli Chemical product database. For specific formulation application recommendations, please contact technical support for more detailed guidance.
