Description

18-Sulfooleic Acid is a versatile anionic surfactant and chemical intermediate derived from oleic acid. Its unique structure, featuring a sulfonic acid group, provides excellent emulsifying, wetting, and dispersing properties in demanding formulations. This compound is essential for manufacturers in the textile, leather, and metalworking industries seeking high-performance surface-active agents. It is also a key precursor for synthesizing specialized surfactants and lubricant additives.

Application

• Textile Processing: Acts as a powerful wetting agent, penetrant, and emulsifier in scouring, dyeing, and finishing baths.
• Leather Tanning & Fatliquoring: Used as an emulsifier for oils and fats to improve leather softness, flexibility, and water repellency.
• Metalworking Fluids: Serves as an emulsifier and corrosion inhibitor in soluble oils and synthetic coolants for machining and grinding operations.
• Surfactant Intermediate: A crucial raw material for the synthesis of sulfonated esters, amides, and other specialty anionic surfactants.
• Agricultural Formulations: Employed as an emulsifier and dispersant in pesticide and herbicide concentrates.
• Industrial Cleaners: Enhances the cleaning power of acidic and solvent-based degreasers for heavy-duty applications.

Basic Information

Product Name	18-Sulfooleic Acid
CAS No.	112-74-3
Molecular Formula	C18H34O5S
Molecular Weight	362.53 g/mol
Synonyms	9-Octadecenoic acid, 18-sulfo-; Oleic acid, sulfonated; Sulfonated oleic acid; Sulfoleic acid; Sulfurized oleic acid; Turkey Red Oil (partially sulfonated grades); Sulfated oleic acid (common name); 18-Sulfo-9-octadecenoic acid
EINECS	204-004-9

Quality Control

Our 18-Sulfooleic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, activity, and performance. Key parameters such as sulfonic acid content, free fatty acid level, and moisture are rigorously controlled. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its strong acid/organic solvent nature, keep away from strong bases, oxidizing agents, and reactive metals. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Brownish viscous liquid
Identification (IR)	Conforms
Assay (Sulfonic Acid Content)	≥ 95.0 %
Free Oleic Acid	≤ 3.0 %
Water Content	≤ 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.