Description

Disodium 10-Hydroxy-18-[2-[2-(Sulphonatooxy)Ethoxy]Ethoxy]Octadecane-9-Sulphonate is a high-purity, synthetic anionic surfactant and specialty chemical intermediate. Its unique molecular structure, featuring a hydroxyl group and dual sulfonate functionalities linked by a polyether chain, provides excellent emulsifying, wetting, and solubilizing properties. This compound is essential for formulators and manufacturers in the personal care, pharmaceutical, and advanced material sectors seeking performance-driven ingredients for stable emulsions and enhanced product efficacy.

Application

• Personal Care & Cosmetics: Acts as a primary emulsifier and stabilizer in high-performance creams, lotions, and sunscreens, ensuring uniform texture and long-term stability.
• Pharmaceutical Formulations: Used as a solubilizing agent and excipient in topical drug delivery systems and ointments to improve active ingredient bioavailability.
• Industrial & Institutional Cleaners: Serves as a key wetting agent and detergent component in hard-surface cleaners and degreasers, enhancing penetration and soil removal.
• Textile & Leather Processing: Functions as a leveling agent and emulsifier in dyeing and finishing processes to promote even color distribution and softness.
• Agrochemical Adjuvants: Incorporated into pesticide and herbicide formulations to improve spray coverage, adhesion, and absorption on plant surfaces.
• Polymer & Material Science: Employed as a dispersant and compatibilizer in the synthesis of specialty polymers and composite materials.

Basic Information

Product Name	Disodium 10-Hydroxy-18-[2-[2-(Sulphonatooxy)Ethoxy]Ethoxy]Octadecane-9-Sulphonate
CAS No.	85153-73-7
Molecular Formula	C₂₂H₄₂Na₂O₁₂S₂
Molecular Weight	632.67 g/mol
Synonyms	Disodium 10-Hydroxy-9,18-disulfooctadecyl Polyoxyethylene Ether; 10-Hydroxy-18-[2-[2-(sulfooxy)ethoxy]ethoxy]octadecane-9-sulfonic Acid Disodium Salt; Poly(oxy-1,2-ethanediyl), α-[2-[2-[(1-hydroxy-9-sulfonatooctadecyl)oxy]ethoxy]ethoxy]-ω-sulfonato-, Disodium Salt; Anionic Surfactant 85153-73-7; PEGylated Disulfonated Octadecanol; Sulfated PEG Oleyl Alcohol Derivative; Disodium 9,18-Disulfo-10-hydroxyoctadecyl PEG Ether
EINECS	Contact for details

Quality Control

Our Disodium 10-Hydroxy-18-[2-[2-(Sulphonatooxy)Ethoxy]Ethoxy]Octadecane-9-Sulphonate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to confirm compliance with established specifications. Certificates of Analysis (COA) documenting all test results are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white powder or waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 2.0%

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