Guangzhou Monsa Chemical Co.,Ltd.
Anionic Surfactant

Anionic Surfactant

Anionic surfactants are a type of surfactant that carries a negative charge in aqueous solutions. Widely used in cleaning, personal care, and industrial applications, they possess excellent foaming, emulsifying, and detergent properties. Their ability to reduce surface tension enables them to effectively remove dirt, grease, and oil from various surfaces while providing superior wetting and dispersing capabilities.

Hot Sale Monsa Anionic Surfactant

CAS No.68891-38-3 / 68585-34-2 / 9004-82-4 / 1335-72-4 / 3088-31-1

MONSA® SLES-70 is mainly used in shampoo, shower gel, detergent, hand sanitizer and other washing products.
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CAS No.68891-38-3 / 68585-34-2 / 9004-82-4 / 1335-72-4 / 3088-31-1

SLES is a kind of the main raw materials of liquid detergent, shampoo, foam bath agent, hand sanitizer and so on, with the advantages of good diffusivity and strong washing effect. And it's easy to dissolve in water, with excellent decontamination, emulsification, foamability and hard water resistance properties.
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CAS No. 68891-38-3 / 68585-34-2 / 9004-82-4 / 1335-72-4 / 3088-31-1

MONSA® SLES-70 is mainly used in shampoo, shower gel, detergent, hand sanitizer and other washing products.
View More

Mechanisms Of Action Of Anionic Surfactant

The mechanisms of action of anionic surfactant involve their ability to lower surface tension and interact with different substances. When added to a system, anionic surfactant form micelles. In water, the hydrophobic tails of the surfactant molecules cluster towards the center, while the hydrophilic heads are exposed to the surrounding water. This arrangement reduces the surface tension and promotes adsorption at liquid interfaces.

Anionic surfactant also interact with dirt, oils, and other contaminants through a process called solubilization. The hydrophobic tails of the surfactant attract and dissolve nonpolar substances, incorporating them into the micelle core. This process allows for the removal of dirt and oils from surfaces.


Additionally, anionic surfactant exhibit detergency, meaning they can both wet and emulsify materials. They assist in the wetting process by reducing the contact angle between the surfactant solution and the solid surface, enabling better spreading and contact. Emulsification occurs when anionic surfactant stabilize the interface between immiscible substances, such as oil and water, forming stable emulsions.


Overall, the mechanisms of action of anionic surfactant involve their ability to lower surface tension, solubilize dirt and oils, enhance wetting, and stabilize interfaces, allowing for effective cleaning, emulsification, and detergent performance.

Environmental Impact And Sustainability Of Anionic Surfactant

The environmental impact and sustainability of anionic surfactant are significant considerations in their use and production. Here are several key points regarding this topic:


1. Biodegradability: Many anionic surfactant, particularly those with alkyl sulfate or alkyl sulfonate groups, are readily biodegradable under environmentally relevant conditions. This means they can be broken down by natural processes, reducing their impact on ecosystems.


2. Ecotoxicity: While anionic surfactant can be biodegradable, some may still have potential ecotoxic effects, especially at high concentrations or if released into sensitive aquatic environments. It is important to use these surfactant responsibly and carefully consider their impact on wildlife and ecosystems.


3. Use of raw materials: The production of anionic surfactant requires the use of raw materials, such as petroleum-derived or plant-based feedstocks. The sustainability of these feedstocks is a consideration, with efforts being made to promote the use of renewable and eco-friendly alternatives.


4. Formulation optimization: Formulators can work towards optimizing formulations to minimize the overall surfactant load and reduce environmental impact. By optimizing surfactant concentration and combining different surfactant types, it is possible to achieve effective cleaning while minimizing waste and potential harm to the environment.


5. Life cycle assessment (LCA): Evaluating the environmental impact of anionic surfactant throughout their entire life cycle is crucial for sustainability. LCA considers aspects such as raw material extraction, production processes, use phase, and end-of-life disposal or recycling. This allows for a comprehensive analysis of the environmental footprint and potential areas for improvement.


Companies and researchers are continuously exploring ways to develop more sustainable anionic surfactant, such as utilizing alternative raw materials, improving biodegradability, and optimizing production processes. The aim is to balance the effective performance of these surfactant with reduced environmental impact, supporting a more sustainable future for the industry.

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