Linear Alkyl Benzene Sulfonic Acid (LABSA) Production and Applications
Production Process:
- Alkyl Benzene Production: Alkyl benzene is synthesized through the reaction of benzene with linear olefins, which are derived from either crude oil refining or synthetic methods.
- Sulfonation: The alkyl benzene undergoes sulfonation with sulfur trioxide (SO₃) gas or sulfuric acid (H₂SO₄) in the presence of a catalyst such as oleum (fuming sulfuric acid). This process yields Linear Alkyl Benzene Sulfonic Acid.
- Neutralization: The resulting sulfonic acid is neutralized using sodium hydroxide (NaOH) to produce its salt form, known as Linear Alkyl Benzene Sulfonate (LAS).
- Purification: The LAS is then refined to remove impurities, ensuring the final product meets quality standards.
The production of LABSA involves complex and precise procedures, requiring advanced equipment and skilled professionals to ensure efficiency and safety.
Uses:
LABSA is widely utilized across various industries due to its superior surfactant properties. Key applications include:
- Detergent Industry: LABSA is a crucial ingredient in household laundry detergents, dishwashing liquids, and other cleaning agents. It enhances foaming, wetting, and emulsifying capabilities, making it effective in removing dirt and grease from fabrics and surfaces.
- Textile Industry: In textiles, LABSA is used for dyeing and printing processes. It serves as a leveling agent, promoting even dye distribution and improving color fastness.
- Personal Care Products: LABSA’s cleansing and foaming properties make it ideal for use in shampoos, soaps, and other personal care products.
- Industrial Cleaners: LABSA is included in industrial cleaning agents designed to tackle tough oils, greases, and stains on machinery and surfaces.
- Agriculture: LABSA improves the efficacy of agricultural emulsifiers, pesticides, and herbicides, enhancing their performance.
Chemical and Physical Properties:
LABSA’s characteristics make it suitable for a broad range of applications. Important properties include:
- Molecular Formula: C₁₈H₃₀O₃S
- Molecular Weight: 326.49 g/mol
- Appearance: Viscous, brownish liquid
- Odor: Slight to mild sulfonic acid odor
- Solubility: Soluble in water, ethanol, and methanol
- pH Value (1% Solution): Approximately 1-2
- Flash Point: 176°C (349°F)
- Density: 1.05 g/cm³ at 25°C
LABSA should be handled with care due to its corrosive nature, which can cause skin and eye irritation. Adherence to proper safety measures is essential during storage, transportation, and use.
Contact Us:
For inquiries about Linear Alkyl Benzene Sulfonic Acid (LABSA) or other chemical raw materials, or to discuss supply options worldwide, please reach out to our team. We are here to provide the information and support you need.