1-Octanesulfonic acid

1-Octanesulfonic acid, also known as octylsulfonic acid or caprylic acid sulfonic acid, is a chemical compound with the molecular formula C8H17SO3H. It is a colorless to light yellow liquid with a strong sulfonic acid odor.

This chemical is commonly used as a surfactant and emulsifier in various industries. It is particularly useful in the production of detergents, cleaning agents, and personal care products. Its surfactant properties allow it to reduce the surface tension of liquids, enabling better wetting and spreading abilities.

In addition to its surfactant properties, 1-Octanesulfonic acid is also used as an ion-pairing reagent in high-performance liquid chromatography (HPLC). It can form stable ion pairs with various analytes, enhancing their retention and separation on the chromatographic column.

The physical properties of 1-Octanesulfonic acid include a density of approximately 1.07 g/cm3 and a boiling point of around 250°C. It is soluble in water and organic solvents such as ethanol and acetone. The exact values for other properties such as flash point and melting point may vary depending on the specific grade or formulation of the compound.

For regulatory purposes, 1-Octanesulfonic acid is assigned the CAS number 5324-84-5 and the EC number 226-364-5. It is not classified as hazardous according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). However, it is always recommended to consult the safety data sheet (SDS) for detailed information on handling, storage, and safety precautions.

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