Phenyl 1-pentadecanesulfonate
[CAS# 91082-17-6]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Carboxylic esters and their derivatives
• Name: Phenyl 1-pentadecanesulfonate
• Synonyms: Mesamoll;Sulfonic acids, C10-21-alkane, Ph esters
• Molecular Formula: C₂₁H₃₆O₃S
• Molecular Weight: 368.57
• CAS Registry Number: 91082-17-6
• EC Number: 293-728-5
• SMILES: CCCCCCCCCCCCCCCS(=O)(=O)OC1=CC=CC=C1

Properties

• Density: 1.0±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.459, Calc.^*, n20/D 1.500
• Boiling Point: 407.9±40.0 °C (760 mmHg), Calc.^*
• Flash Point: 175.0±27.4 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Risk Statements: R53

Discovery and Applications

Phenyl 1-pentadecanesulfonate is an organic sulfonate compound commonly used as a surfactant in various industrial applications. It is characterized by a phenyl group attached to a sulfonate group and a long aliphatic chain of fifteen carbon atoms. This structural arrangement gives the compound amphiphilic properties, making it an effective surface-active agent in formulations where emulsification, wetting, and dispersing properties are required.

The discovery of phenyl 1-pentadecanesulfonate is linked to early research in the development of synthetic surfactants during the 20th century. As the chemical industry expanded, the need for versatile surfactants that could enhance the performance of cleaning agents, emulsifiers, and dispersants became critical. Phenyl 1-pentadecanesulfonate was developed to fulfill these needs, providing stability and compatibility with a wide range of chemicals.

One of the primary applications of phenyl 1-pentadecanesulfonate is in the formulation of detergents and cleaning products. Its ability to reduce the surface tension between water and oils allows it to effectively break down grease, dirt, and other hydrophobic substances. This has made it a valuable component in household cleaning products, industrial cleaners, and even in textile processing where thorough cleansing of fabrics is required.

In addition to its role in detergents, phenyl 1-pentadecanesulfonate is used in emulsification processes, particularly in the formulation of personal care products, cosmetics, and lotions. Its amphiphilic nature enables it to stabilize oil-in-water emulsions, improving the texture, stability, and shelf-life of products. This makes it a critical ingredient in creams, lotions, and various emulsified systems used in the cosmetics industry.

Another significant use of phenyl 1-pentadecanesulfonate is as a dispersing agent in paints, coatings, and inks. Its ability to prevent the aggregation of pigments and other particulate materials ensures uniform distribution in liquid formulations, improving the quality and consistency of the final product. The compound’s chemical stability and compatibility with various solvents further enhance its utility in industrial applications where dispersing properties are essential.

While phenyl 1-pentadecanesulfonate is widely used in industrial and consumer products, its environmental impact and biodegradability are areas of ongoing research. As regulatory frameworks evolve to address concerns over the use of surfactants, manufacturers are exploring the ecological implications of this compound and developing strategies to minimize its environmental footprint.

References

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