Description

Octadecane-1-Sulfonic Acid is a high-purity, long-chain alkyl sulfonic acid derivative. This compound serves as a versatile intermediate and surfactant precursor, valued for its strong acid functionality and hydrophobic alkyl chain. It is essential for manufacturers in the specialty chemical, pharmaceutical, and advanced material sectors requiring precise organic synthesis and surface modification.

Application

• Surfactant & Detergent Intermediate: Key raw material for synthesizing anionic surfactants with excellent wetting and emulsifying properties.
• Catalyst & Acid Catalyst Precursor: Used in organic synthesis reactions and as a precursor for solid acid catalysts.
• Lubricant & Fuel Additive Component: Imparts detergency and anti-wear properties in industrial lubricants and fuel formulations.
• Pharmaceutical Intermediate: Employed in the synthesis of specific active pharmaceutical ingredients (APIs) and prodrugs.
• Polymerization Aid & Emulsifier: Acts as an emulsifier in emulsion polymerization processes for plastics and resins.
• Corrosion Inhibitor Formulation: Used in creating protective coatings and additives for metal treatment.
• Analytical Chemistry & Chromatography: Serves as a reagent or ion-pairing agent in analytical methods.
• Nanomaterial Surface Functionalization: Modifies the surface properties of nanoparticles and other advanced materials.

Basic Information

Product Name	Octadecane-1-Sulfonic Acid
CAS No.	120519-47-3
Molecular Formula	C₁₈H₃₈O₃S
Molecular Weight	334.56 g/mol
Synonyms	1-Octadecanesulfonic Acid; Stearyl Sulfonic Acid; n-Octadecylsulfonic Acid; Octadecyl Sulfonic Acid; Stearic Sulfonic Acid; C18 Sulfonic Acid; Long-chain Alkyl Sulfonic Acid; Sulfonic Acid C18
EINECS	Contact for details

Quality Control

Our Octadecane-1-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) 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, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its strong acid/organic solvent nature, store separately from bases, oxidizing agents, and reactive metals.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Sulfated Ash	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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