Description

18-(Dibutylamino)-10-Hydroxy-18-Oxooctadecane-9-Sulphonic Acid is a specialized amphoteric surfactant and intermediate with a unique molecular structure combining amino, hydroxyl, and sulphonic acid functionalities. This compound is valued for its ability to act as a high-performance emulsifier, dispersant, and corrosion inhibitor in demanding formulations. It is primarily required by manufacturers in the industrial cleaning, agrochemical, and specialty polymer sectors seeking advanced surface-active properties.

Application

• Industrial Cleaning & Detergents: Acts as a key surfactant and emulsifier in heavy-duty cleaners, degreasers, and institutional formulations.
• Agrochemical Formulations: Used as a dispersant and stabilizer in pesticides, herbicides, and liquid fertilizer concentrates.
• Coatings & Inks: Serves as a pigment dispersant and grinding aid to improve color development and stability.
• Metalworking Fluids: Functions as a corrosion inhibitor and emulsifier in synthetic and semi-synthetic coolants.
• Polymerization: Employed as an emulsifier and stabilizer in emulsion polymerization processes for synthetic rubbers and resins.
• Textile Processing: Used in dyeing and finishing baths as a leveling agent and lubricant.
• Personal Care (Rinse-off): Potential use as a mild surfactant in specialized rinse-off products like shampoos or cleansers, depending on grade and certification.

Basic Information

Product Name	18-(Dibutylamino)-10-Hydroxy-18-Oxooctadecane-9-Sulphonic Acid
CAS No.	97645-26-6
Molecular Formula	C26H53NO6S
Molecular Weight	507.77 g/mol
Synonyms	9-Sulfo-10-hydroxy-18-oxooctadecyl(dibutyl)ammonium hydroxide inner salt; 10-Hydroxy-9-sulfooctadecanoic acid N,N-dibutylamide inner salt; Octadecanoic acid, 10-hydroxy-9-sulfo-, N,N-dibutylamide, inner salt; Amphoteric surfactant CAS 97645-26-6; Dibutylamino hydroxy oxooctadecane sulphonate
EINECS	Contact for details

Quality Control

Our 18-(Dibutylamino)-10-Hydroxy-18-Oxooctadecane-9-Sulphonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and meets agreed-upon specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key parameters is provided with every shipment to support your quality assurance protocols.

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 quality and performance.

Specification

Item	Specification
Appearance	Off-white to pale yellow waxy solid or paste
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
pH (10% solution)	6.0 - 8.0
Sulphur Content	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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