Sodium propynesulfonate
[CAS# 55947-46-1]

Identification

• Classification: Organic raw materials >> Organometallic salt
• Name: Sodium propynesulfonate
• Synonyms: Propynesulfonic acid sodium salt; 2-Propyne-1-sulfonic acid sodium salt; Sodium 2-propyne-1-sulphonate; PS
• Molecular Formula: C₃H₃NaO₃S
• Molecular Weight: 142.10
• CAS Registry Number: 55947-46-1
• EC Number: 259-915-0
• SMILES: C#CCS(=O)(=O)[O-].[Na+]

Safety Data

• Hazard Symbols: GHS05;GHS07 Warning
• Risk Statements: H290-H317
• Safety Statements: P234-P261-P272-P280-P302+P352-P321-P333+P317-P362+P364-P390-P406-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Skin sensitization	Skin Sens.	1A	H317

Discovery and Applications

Sodium propynesulfonate is an organosulfonic acid salt that has garnered attention for its unique chemical properties and diverse applications. The discovery of sodium propynesulfonate is linked to the need for efficient surfactants and functional additives in various chemical formulations. Its structure, characterized by a sulfonate group attached to a propynyl group, provides the compound with significant surface activity and solubility, making it a valuable ingredient in a range of industrial applications.

The synthesis of sodium propynesulfonate typically involves the reaction of propynesulfonic acid with sodium hydroxide. This straightforward process results in the formation of the sodium salt, which is often obtained as a white crystalline solid or powder. The compound's solubility in water enhances its applicability in different formulations, particularly in aqueous systems.

One of the primary applications of sodium propynesulfonate is in the formulation of surfactants and detergents. Its excellent wetting and emulsifying properties make it effective in breaking down and removing dirt and grease, which is essential in cleaning products. In household and industrial cleaning formulations, sodium propynesulfonate acts as a key ingredient that enhances the overall cleaning efficacy.

In the agricultural sector, sodium propynesulfonate serves as an adjuvant in pesticide formulations. It improves the spreading and adhesion of active ingredients on plant surfaces, leading to better efficacy of herbicides and insecticides. This property is particularly important in ensuring that agricultural chemicals effectively penetrate plant tissues, resulting in improved crop protection and yield.

Additionally, sodium propynesulfonate is utilized in various biochemical and pharmaceutical applications. Its ability to solubilize biomolecules and enhance the stability of proteins makes it a valuable component in biotechnological processes and drug formulations. In protein assays and enzyme studies, sodium propynesulfonate can help maintain the structural integrity of proteins, facilitating accurate results in experimental setups.

Moreover, the compound's properties make it suitable for use in the textile industry, where it acts as a leveling agent in dyeing processes. By improving the uniformity of dye application, sodium propynesulfonate contributes to achieving consistent color results on textiles, enhancing product quality.

Overall, the discovery and application of sodium propynesulfonate illustrate its versatility as a functional additive across multiple industries, including cleaning, agriculture, pharmaceuticals, and textiles. Its unique properties continue to support advancements in formulations and product development.

References

2023. Smoothing Enhancement of Sodium 4-Hydroxyphenylsulfonate on Cathode Copper from Simulated Leachate of Copper-Cadmium Slag by Cyclone Electrowinning. Journal of Sustainable Metallurgy, 9(4).
DOI: 10.1007/s40831-023-00761-7

2021. A brief overview of catalytic applications of dendrimers containing 1,4-disubstituted-1,2,3-triazoles. Monatshefte für Chemie - Chemical Monthly, 152(3).
DOI: 10.1007/s00706-021-02753-3