Description

Sodium 4-(2-Ethylhexyl) 1-Octadecyl 2-Sulphonatosuccinate is a high-performance anionic surfactant belonging to the sulfosuccinate ester class. This compound is valued for its excellent emulsifying, wetting, and dispersing properties, particularly in challenging formulations. It is essential for industrial manufacturers and formulators seeking robust surface-active agents for demanding applications. Its unique branched-chain structure provides enhanced solubility and stability in various systems.

Application

• Primary Emulsifier in agricultural chemical formulations (e.g., pesticide and herbicide emulsions).
• Wetting and Dispersing Agent in industrial and institutional cleaning products.
• Co-emulsifier and Stabilizer in emulsion polymerization for synthetic latex and acrylics.
• Textile Processing Aid for dye leveling, scouring, and finishing operations.
• Additive in Metalworking Fluids and lubricants for corrosion inhibition and surface wetting.
• Component in Personal Care formulations requiring mild surfactants, such as shampoos and skin cleansers.
• Industrial Coating Additive to improve pigment dispersion and substrate wetting.

Basic Information

Product Name	Sodium 4-(2-Ethylhexyl) 1-Octadecyl 2-Sulphonatosuccinate
CAS No.	68630-88-6
Molecular Formula	C30H57NaO7S
Molecular Weight	584.83 g/mol
Synonyms	Sulfosuccinic Acid 4-(2-Ethylhexyl) 1-Octadecyl Ester Sodium Salt; Dioctyl Sulfosuccinate Sodium Salt (C18 variant); Sodium Dioctyl Sulfosuccinate (Stearyl Octyl); Aerosol® OT-S (Stearyl); 1-Octadecyl 2-Sulphonatosuccinic Acid 4-(2-Ethylhexyl) Ester Sodium Salt; Bis(2-ethylhexyl) Sulfosuccinate Sodium Salt (C18 modified); Sulfosuccinate Ester, Sodium Salt; Octadecyl 2-Ethylhexyl Sulfosuccinate Sodium Salt
EINECS	Contact for details

Quality Control

Our Sodium 4-(2-Ethylhexyl) 1-Octadecyl 2-Sulphonatosuccinate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and key physical parameters is provided with every shipment to guarantee traceability and product integrity for our global B2B partners.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product performance and handling.

Specification

Item	Specification
Appearance	White to off-white waxy solid or paste
Identification (IR)	Conforms
Assay (Active Matter)	≥ 95.0 %
Moisture Content	≤ 3.0 %
pH (1% Solution)	5.0 - 7.0
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.