Docusate Sodium, a widely recognized anionic surfactant with the CAS number 577-11-7, is a chemical compound of significant importance across multiple industries, most notably pharmaceuticals and food processing. Its unique properties as an emulsifier, wetting agent, and stool softener necessitate a thorough understanding for procurement managers, R&D scientists, and formulators. As a leading chemical supplier, NINGBO INNO PHARMCHEM CO.,LTD. offers high-quality Docusate Sodium and aims to provide clarity on its characteristics and sourcing. If you are looking to buy Docusate Sodium, understanding its chemical nature and how to secure a dependable supply is crucial.

Chemical Properties and Functions of Docusate Sodium

Docusate Sodium, also known as dioctyl sodium sulfosuccinate (DOSS), is characterized by its amphiphilic nature, featuring a hydrophilic sulfonate group and two hydrophobic 2-ethylhexyl ester chains. This structure dictates its functional versatility:

  • Surface Activity: It is highly effective at reducing the surface tension of liquids, enabling it to act as a wetting agent, emulsifier, and dispersant.
  • Solubility: While slowly soluble in water, it exhibits excellent solubility in a range of organic solvents, including ethanol, acetone, and oils, making it adaptable to diverse formulations.
  • Pharmaceutical Applications: Its primary medical use is as a stool softener, facilitating the absorption of water and fats into the feces. This makes it a key component in over-the-counter and prescription medications for constipation relief.
  • Food and Industrial Uses: In the food industry, it functions as an emulsifier, stabilizer, and wetting agent. Industrially, it finds use in cleaning agents, textiles, and agricultural formulations.

The physical form of Docusate Sodium can vary, often appearing as a white to off-white powder or granular solid, sometimes with a waxy appearance.

Manufacturing Docusate Sodium: The Process Overview

The synthesis of Docusate Sodium typically involves a multi-step chemical process. While specific industrial methods can vary, a common route includes:

  1. Esterification: Reacting maleic anhydride with 2-ethylhexanol to form dioctyl maleate.
  2. Sulfonation: Treating dioctyl maleate with sodium bisulfite (NaHSO₃) or a similar sulfonating agent. This addition reaction introduces the sulfonate group across the double bond.

Manufacturers focus on optimizing reaction conditions such as temperature, pressure, and reactant ratios to ensure high yield and purity. Stringent quality control measures are implemented throughout the manufacturing process to meet the required grade, whether for pharmaceutical or industrial applications. Compliance with standards like USP or food-grade regulations is paramount for specific markets.

Global Sourcing of Docusate Sodium: What Buyers Should Look For

For businesses intending to buy Docusate Sodium, particularly in bulk quantities, selecting the right supplier is critical. Key considerations include:

  • Quality and Compliance: Verify that the Docusate Sodium meets the specific grade and regulatory requirements for your application (e.g., USP, FCC). Request Certificates of Analysis (CoAs) that detail purity, physical characteristics, and batch traceability.
  • Manufacturing Reputation: Partner with established manufacturers known for their consistent quality and adherence to manufacturing standards (like GMP for pharmaceutical grades). NINGBO INNO PHARMCHEM CO.,LTD., as a manufacturer and supplier based in China, upholds rigorous quality control protocols.
  • Supply Chain Stability: Ensure the supplier has the capacity and logistics to provide a stable, uninterrupted supply. Long-term availability and predictable delivery schedules are essential for production planning.
  • Competitive Pricing: Obtain quotes from multiple suppliers to ensure you are getting a fair market price for the quality and quantity you require.
  • Customer Support: Responsive customer service and technical support can greatly facilitate the procurement process and help resolve any queries or issues that may arise.

By understanding these aspects, procurement professionals can confidently source Docusate Sodium, ensuring their formulations are built upon a foundation of high-quality, reliably supplied ingredients. NINGBO INNO PHARMCHEM CO.,LTD. is positioned to be your trusted partner for Docusate Sodium requirements.