Sodium 1-octanesulfonate
[CAS# 5324-84-5]

Identification

• Classification: Chemical reagent >> Organic reagent >> Sulfonate / sulfinate
• Name: Sodium 1-octanesulfonate
• Synonyms: 1-Octanesulfonic acid sodium salt
• Molecular Formula: C₈H₁₇NaO₃S
• Molecular Weight: 216.27
• CAS Registry Number: 5324-84-5
• EC Number: 226-195-4
• SMILES: CCCCCCCCS(=O)(=O)[O-].[Na+]

Properties

• Solubility: 9.8 g/L (20 ºC) (Expl.)
• Melting point: 300 ºC (Expl.)
• Boiling point: 174 ºC (0.2 mmHg) (Expl.)

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H315-H319-H335
• Precautionary Statements: P261-P264-P264+P265-P271-P280-P302+P352-P304+P340-P305+P351+P338-P319-P321-P332+P317-P337+P317-P362+P364-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H319
Eye irritation	Eye Irrit.	2	H319
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1B	H314
Eye irritation	Eye Irrit.	2A	H319

Discovory and Applicatios

Sodium 1-octanesulfonate is an organic compound with the chemical formula C8H17SO3Na. It belongs to a class of surfactants known as alkyl sulfonates, and its structure consists of an octane chain attached to a sulfonic acid group. This compound has gained significant attention for its role in a wide range of industrial applications, particularly in the fields of cleaning, emulsification, and as a dispersing agent. Its discovery and development have made it an essential chemical in various commercial formulations.

The discovery of sodium 1-octanesulfonate can be traced back to the need for surfactants that exhibit superior wetting, cleaning, and emulsifying properties. Researchers identified that the presence of a sulfonate group in combination with an alkyl chain could provide excellent surface-active properties. The compound’s ability to lower surface tension and stabilize emulsions made it a valuable component in a wide variety of industrial products. These findings contributed to the development of sodium 1-octanesulfonate as a highly effective agent in both domestic and industrial cleaning applications.

One of the most notable applications of sodium 1-octanesulfonate is in the formulation of detergents and cleaning products. Due to its surfactant properties, it is capable of breaking down grease and oils, making it an ideal ingredient in dishwashing liquids, surface cleaners, and industrial degreasers. The compound's ability to reduce the surface tension of water allows it to penetrate and lift dirt from surfaces more effectively than other cleaning agents. It is commonly found in products that require a high degree of wetting action, such as laundry detergents, car wash formulations, and industrial cleaning solutions.

In addition to its use in cleaning products, sodium 1-octanesulfonate is also utilized in the oil and gas industry as a dispersing agent. Its ability to stabilize emulsions and disperse oil droplets in aqueous systems makes it valuable in drilling fluids and oil recovery processes. In these applications, it helps to maintain the stability of suspensions and prevent the formation of unwanted solid deposits, which could impair the efficiency of extraction processes.

Furthermore, sodium 1-octanesulfonate is used in the cosmetics and personal care industry. It serves as an emulsifying agent in creams, lotions, and other skincare products. By ensuring the uniform distribution of oils and water in formulations, it helps to improve the texture and consistency of the products. Additionally, it is often included in formulations for hair care products, where it can act as a mild cleansing agent without irritating the skin.

The use of sodium 1-octanesulfonate in various applications has been expanded due to its favorable environmental profile. As a surfactant, it is biodegradable, which makes it a more eco-friendly alternative compared to some other surfactants that persist in the environment. This characteristic is especially important in industries such as cleaning and oil recovery, where environmental impact is a growing concern.

In conclusion, sodium 1-octanesulfonate is a versatile chemical compound with significant applications in cleaning, oil recovery, and personal care. Its discovery as an effective surfactant has made it a valuable ingredient in many industrial and consumer products. As research continues, the potential for new applications and improvements in the compound's properties will likely further enhance its utility across various sectors.

References

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DOI: 10.1007/s11696-023-02847-8

1983. LCEC-determination of urinary normetanephrine, metanephrine and 3-methoxy-tyramine. Fresenius' Zeitschrift für analytische Chemie, 314(1).
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