Sodium 1-Octadecanesulfonate TCI O0124

Sodium 1-Octadecanesulfonate from TCI (product code O0124) is the sodium salt of a sulfonic acid with an eighteen-carbon alkyl chain. It is an anionic surfactant with a very long hydrophobic segment. TCI classifies it as a polymer and macromolecule reagent, specifically a polymer additive. In materials science research it is used to modify interfacial properties, dispersion and stability in polymer systems. It is also used in surfactant studies and as a long-chain ion-pairing reagent in certain chromatographic analyses.

The long octadecyl chain makes this compound much more hydrophobic than short-chain alkylsulfonates. As a result, it lowers surface tension more effectively and interacts more strongly with nonpolar surfaces. Its charged sulfonate head group combined with a long alkyl tail makes it useful as an additive, emulsifier or dispersing agent in polymer research. TCI's controlled quality helps keep experimental results comparable from batch to batch, which matters when researchers need data they can reproduce and compare over the course of a project.

In Indonesian laboratories, Sodium 1-Octadecanesulfonate is often used by university research groups, materials science institutes and industrial R&D units working on polymer formulation. Researchers use it to compare how chain length affects micelle behavior and solubility across a series of alkylsulfonates. Analytical laboratories may also use it as an ion-pairing reagent in chromatographic methods that need a strongly hydrophobic counterion. This makes it a practical reagent for both basic research and applied formulation work.

• Polymer additive research: its charged sulfonate head and long hydrophobic tail let researchers study how it changes interfacial behavior, dispersion and stability in polymer systems.
• Emulsification and dispersion studies: its strong surface activity and affinity for nonpolar surfaces make it useful for testing whether it can stabilize dispersed phases in polymer formulations.
• Surfactant chain-length comparisons: as the eighteen-carbon member of the alkylsulfonate series, it is a key reference point for comparing how chain length affects micelle behavior and solubility.
• Ion-pair chromatography: its long octadecyl chain makes it a strongly hydrophobic ion-pairing reagent for certain chromatographic separations that need greater analyte retention.
• Surface tension and interfacial studies: it is more hydrophobic than short-chain alkylsulfonates, so it is well suited to experiments that measure surface tension reduction and adsorption on nonpolar surfaces.

Store Sodium 1-Octadecanesulfonate in its original, tightly sealed container in a cool, dry, well-ventilated area, away from moisture, direct sunlight and incompatible materials. Reseal the container promptly after each use so the reagent does not absorb humidity or become contaminated. Handle it with standard laboratory protective equipment, including gloves, safety glasses and a lab coat. Avoid creating and breathing in dust, and avoid contact with skin and eyes. Read the TCI Safety Data Sheet before use, and dispose of waste in line with local regulations and your institution's procedures.

—