Description

9-Sulpho-9-Octadecenoic Acid is a specialized sulfonated fatty acid derivative, also known as sulfonated oleic acid. This compound serves as a versatile intermediate and functional additive, valued for its anionic surfactant properties and ability to modify surface characteristics. It is primarily utilized in the formulation of industrial lubricants, textile processing aids, and as a key component in specialty chemical synthesis for sectors demanding high-performance wetting and emulsifying agents.

Application

• As a high-performance emulsifier and wetting agent in industrial lubricant and metalworking fluid formulations.
• Key intermediate in the synthesis of specialized anionic surfactants for enhanced detergency and foaming.
• Additive in textile processing for improved fiber lubrication, dye leveling, and scouring operations.
• Component in the production of leather processing chemicals for fatliquoring and softening.
• Raw material for creating corrosion inhibitors and scale control agents in water treatment applications.
• Functional additive in pesticide and agrochemical formulations to improve spreading and adherence.
• Used in research and development for novel specialty polymers and surface-active materials.

Basic Information

Product Name	9-Sulpho-9-Octadecenoic Acid
CAS No.	68201-85-4
Molecular Formula	C₁₈H₃₄O₅S
Molecular Weight	362.53 g/mol
Synonyms	9-Sulfo-9-octadecenoic acid; Sulfonated Oleic Acid; Oleic Acid Sulfonate; 9-Octadecenoic Acid, 9-Sulfo-; 9-Sulfonatooctadec-9-enoic Acid; 9-Sulfooleic Acid; (E)-9-Sulfooctadec-9-enoic Acid; Sulfated Oleic Acid (related compound)
EINECS	Contact for details

Quality Control

Our 9-Sulpho-9-Octadecenoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, sulfonation level, and impurity profile. Our quality commitment supports applications requiring reliable performance and supply chain traceability.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture which may affect product quality.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 90.0 %
Water Content (KF)	≤ 5.0 %
Sulfonation Level	Contact for details
Free Fatty Acid	≤ 2.0 %
pH (10% solution)	2.0 - 4.0

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