Overview of Anionic Surfactant

Anionic surfactants are a class of surface-active agents characterized by their negatively charged hydrophilic (water-loving) head groups. These surfactants are widely used in various applications, including detergents, cleaning agents, and personal care products. They excel at removing dirt and oils due to their strong emulsifying and foaming properties. Common types include sodium lauryl sulfate (SLS) and linear alkylbenzene sulfonates (LAS).

Features of Anionic Surfactant

Emulsification: Effective at breaking down oils and fats into smaller droplets, making them easier to wash away.

Foaming Properties: Generate rich, stable foam that enhances cleaning efficiency.

Detergency: Strong ability to lift and remove dirt and grease from surfaces.

Solubility: Highly soluble in water, facilitating easy rinsing and dispersion.

Stability: Stable under a wide range of temperatures and pH levels, ensuring consistent performance.

Compatibility: Often compatible with other surfactants and additives, allowing for versatile formulations.

Cost-Effectiveness: Generally more affordable compared to other types of surfactants, making them popular in mass-market products.

(Linear Alkyl Benzene Sulfonate Sulfonic Acid Anionic Surfactant)

Specifications of Linear Alkyl Benzene Sulfonate Sulfonic Acid Anionic Surfactant

Linear Alkyl Benzene Sulfonate (LAS) Sulfonic Acid is a widely used anionic surfactant known for its effective cleaning, foaming, and emulsifying properties. It is a key ingredient in household detergents, industrial cleaners, and personal care products. The technical specifications are as follows:

**Chemical Name:** Linear Alkyl Benzene Sulfonic Acid (LABSA).
**Chemical Formula:** The general formula is R-C₆H₄-SO₃H, where R represents a linear alkyl chain (typically C10–C14).
**Molecular Weight:** Approximately 315–340 g/mol, depending on alkyl chain length.
**Appearance:** Viscous, clear to amber-colored liquid.
**Odor:** Mild characteristic odor.
**Solubility:** Soluble in water, forming a colloidal solution; compatible with most polar solvents.
**Active Content:** 96–98% sulfonic acid, ensuring high surfactant efficiency.
**Free Oil Content:** ≤1.5%, minimizing impurities for optimal performance.
**Sulfonation Efficiency:** ≥97%, indicating high conversion of alkyl benzene to sulfonic acid.
**pH (1% Solution):** 2–4 (acidic in its raw form; neutralized with bases like NaOH to form the sulfonate salt for end use).
**Density:** 1.05–1.07 g/cm³ at 25°C.
**Viscosity:** 500–1500 mPa·s (temperature-dependent).
**Storage:** Stable under cool, dry conditions in stainless steel or high-density polyethylene (HDPE) containers. Shelf life: 12 months.
**Applications:** Used in liquid/powder detergents, dishwashing liquids, textile processing, and emulsion polymerization. Offers excellent biodegradability (>90% under standard conditions), making it environmentally preferable.
**Performance:** Exhibits strong detergency, foam stability, and compatibility with nonionic/amphoteric surfactants. Effective in hard water.
**Safety:** Non-toxic at low concentrations but may irritate skin and eyes in concentrated form. Use PPE (gloves, goggles) during handling.
**Environmental Compliance:** Meets global standards (OECD, EPA) for biodegradability and low aquatic toxicity.

LAS Sulfonic Acid is cost-effective, versatile, and a cornerstone of modern cleaning formulations. Proper neutralization (to sodium/potassium/ammonium salts) is required for end-product integration. Always adhere to local regulations for storage, handling, and disposal.

(Linear Alkyl Benzene Sulfonate Sulfonic Acid Anionic Surfactant)

Applications of Linear Alkyl Benzene Sulfonate Sulfonic Acid Anionic Surfactant

Linear Alkyl Benzene Sulfonate (LAS) Sulfonic Acid is a widely used anionic surfactant known for its excellent cleaning, foaming, and emulsifying properties. Its versatility and cost-effectiveness make it a key ingredient in numerous industrial, household, and personal care applications. One of the primary uses of LAS is in the formulation of household and industrial detergents. It serves as a critical component in laundry powders, liquid detergents, and dishwashing liquids due to its ability to break down grease, oils, and dirt. The surfactant’s strong hydrophilic and hydrophobic balance allows it to interact with both water and oils, enabling efficient stain removal even in hard water conditions.

In the industrial sector, LAS is utilized in cleaning agents for machinery, automotive parts, and textile processing. Its emulsifying properties help disperse oils and particulates, making it ideal for degreasers and heavy-duty cleaners. Additionally, LAS is employed in agricultural formulations, such as pesticide and herbicide solutions, where it acts as a wetting agent to improve the spread and adhesion of active ingredients on plant surfaces.

Personal care products like shampoos, body washes, and hand soaps often incorporate LAS for its foaming and cleansing capabilities. While it is effective in removing sebum and impurities from skin and hair, formulations are typically adjusted to ensure mildness and avoid irritation. In the construction industry, LAS is added to concrete mixtures as a plasticizer to improve workability and reduce water content without compromising strength.

Another significant application is in emulsion polymerization processes for producing synthetic rubber, latex, and plastics. LAS stabilizes the emulsion, ensuring uniform particle size and enhancing product quality. Environmental considerations are also addressed, as LAS is biodegradable under aerobic conditions, though its use in wastewater treatment requires careful management to minimize aquatic toxicity.

Overall, Linear Alkyl Benzene Sulfonate Sulfonic Acid’s adaptability, performance, and economic efficiency solidify its role across diverse sectors. From everyday cleaning to specialized industrial processes, it remains a cornerstone surfactant, balancing efficacy with environmental and safety standards when used responsibly.

Company Introduction

Welcome to Robocup, a premier global supplier of high-quality surfactants. Our extensive range includes anionic, cationic, nonionic, and amphoteric surfactants, catering to industries such as personal care, textiles, cleaning, and industrial applications. With advanced manufacturing facilities and rigorous quality control, we ensure that our products meet the highest international standards. We pride ourselves on our commitment to innovation, sustainability, and customer satisfaction. Our dedicated team provides tailored solutions to meet your specific needs. Partner with us for reliable, high-performance surfactants that drive your business forward. Explore our offerings and discover the difference today.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Linear Alkyl Benzene Sulfonate Sulfonic Acid Anionic Surfactant

What is Linear Alkyl Benzene Sulfonate (LAS) Sulfonic Acid? Linear Alkyl Benzene Sulfonate (LAS) Sulfonic Acid is an anionic surfactant commonly used in detergent formulations. It is produced by sulfonating linear alkyl benzene, a petroleum-derived compound, to create a highly effective cleaning agent. LAS works by reducing surface tension, emulsifying oils, and lifting dirt from surfaces, making it a key ingredient in household and industrial cleaners.

What are the primary applications of LAS Sulfonic Acid? LAS is widely used in liquid and powder detergents, dishwashing liquids, laundry detergents, and all-purpose cleaners. Its effectiveness in hard water and strong alkalinity makes it ideal for removing grease and stains from fabrics, dishes, and surfaces. It is also used in industrial settings for degreasing machinery and in agricultural formulations.

Is LAS Sulfonic Acid safe for use? LAS is generally safe when handled properly and diluted in finished products like detergents. However, direct contact with the concentrated form may cause skin or eye irritation. Proper personal protective equipment (gloves, goggles) is recommended during handling. Regulatory bodies classify it as low-toxicity when used as directed, but ingestion or inhalation of raw material should be avoided.

What is the environmental impact of LAS Sulfonic Acid? LAS is biodegradable under aerobic conditions, breaking down in wastewater treatment plants and natural environments. However, excessive discharge into water bodies can harm aquatic life due to its surfactant properties. Modern formulations adhere to environmental regulations to minimize toxicity, and wastewater treatment processes effectively reduce its concentration before release.

How does LAS compare to other surfactants? LAS is cost-effective, stable in acidic/alkaline conditions, and performs well in hard water, unlike some nonionic surfactants. However, it can be harsher on skin compared to milder alternatives like sodium laureth sulfate (SLES). Its balance of efficiency, affordability, and compatibility with other ingredients makes it a popular choice for mass-market cleaning products despite newer alternatives.

(Linear Alkyl Benzene Sulfonate Sulfonic Acid Anionic Surfactant)