Description of Labsa
LABSA (Linear Alkyl Benzene Sulphonic Acid) is a crucial synthetic surfactant widely used in detergent production. It’s manufactured by sulfonating alkyl benzene with sulfur trioxide.
Linear Alkyl Benzene Sulfonic Acid’s exceptional cleaning properties, low cost, and biodegradability make it a preferred choice for detergent manufacturers.
Major producers like Chemithon and Ballestra utilize different reactor technologies for the sulfonation process, impacting product characteristics.
As an anionic surfactant, LABSA comprises hydrophobic and hydrophilic components. Its versatility and effectiveness have solidified its position as a cornerstone in the detergent industry.
Physical and Chemical Properties of Linear Alkylbenzene Sulfonic Acid
Physical Properties
- Appearance: Brownish viscous liquid
- Density: 1.05 g/cm³ at 20°C
- Viscosity: 1300 mPa.s at 20°C
- Active matter: 96% wt. (Mr = 324)
- Unsulfonated matter: Maximum 2.5% wt.
- Free sulfuric acid: Maximum 1.5% wt.
- Water content: Maximum 1.5% wt.
- Flashpoint: Greater than 90°C
- pH (1% solution): 1.5
Chemical Properties
- Molecular formula: C6H4(CH2)11CH3SO3H
- Molecular weight: 326.49 g/mol
- Solubility: Non-flammable, quickly dissolves in water, insoluble in most organic solvents
- Stability: Stable under normal conditions
- Reactivity: Strong acid, reacts with bases to form salts
- Biodegradability: Readily biodegradable
Applications of Linear Alkylbenzene Sulfonic Acid
Linear Alkylbenzene Sulfonic Acid (LABSA) is a versatile surfactant widely employed across various industries. Its exceptional surface-active properties make it a valuable component in numerous formulations.
Detergent Industry
LABSA is a cornerstone surfactant in the detergent industry, serving as the primary active ingredient in a vast array of cleaning products. Its exceptional cleaning power, derived from its ability to effectively reduce surface tension, enables the removal of dirt, grease, and stains from a wide range of surfaces.
In laundry detergents, LABSA excels at lifting and suspending soils, preventing redeposition onto fabrics, and ensuring thorough cleaning. Its foaming properties enhance the cleaning process by providing mechanical agitation and trapping dirt particles.
Additionally, LABSA contributes to the formation of stable lather, which is often associated with effective cleaning. In dishwashing detergents, LABSA efficiently cuts through grease and food residue, leaving dishes sparkling clean. Beyond laundry and dishwashing, LABSA finds applications in a multitude of other cleaning products, including all-purpose cleaners, floor cleaners, and car washes, where its cleaning prowess is highly valued.
Industrial Cleaning
LABSA’s potent detergency is harnessed across various industrial sectors. In manufacturing, it is a crucial component in degreasers that effectively remove oil and grease from machinery and equipment, ensuring optimal performance and preventing malfunctions.
Metal cleaning is another critical application, where LABSA’s ability to dissolve contaminants is vital for preparing metal surfaces for subsequent processes such as painting or coating.
In the automotive industry, LABSA is employed in car wash formulations to remove dirt, grime, and road salt, restoring the vehicle’s appearance. Beyond these applications, LABSA finds utility in cleaning industrial equipment, floors, and other surfaces in a wide range of industries, including food processing, pharmaceuticals, and electronics.
Textile Industry
Within the textile industry, Linear Alkyl Benzene Sulfonic Acid is a versatile and indispensable surfactant that plays a crucial role in various processing stages. As a wetting agent, it facilitates the penetration of dyes and chemicals into the fabric fibers, ensuring even and efficient coloration.
LABSA’s emulsifying properties enhance the dispersion of dyes and other additives, improving their application and distribution within the textile material.
Furthermore, LABSA acts as a detergent, effectively removing impurities and contaminants from the fabric, and preparing it for subsequent finishing processes. By optimizing these critical steps, LABSA contributes to the production of high-quality textiles with enhanced performance and aesthetic appeal.
Packing of LABSA
- Plastic drums: These are the most common containers for LABSA. They are usually made of high-density polyethylene (HDPE) and have a capacity of 200 to 220 kilograms.
- Intermediate Bulk Containers (IBCs): These are larger containers, typically holding 1000 kilograms of LABSA. They are often made of plastic and are reusable.
- Bulk tankers: For large-scale transportation, LABSA can be shipped in bulk tankers.
Safety Tips of LABSA
- Wear appropriate PPE (gloves, goggles, face shield, chemical-resistant clothing).
- Work in well-ventilated areas, avoid skin and eye contact and prevent ingestion.
- Handle with care, store in a cool, dry place, and dispose properly.
- Have emergency plans in place and seek medical attention if exposed.
Specification of Labsa
| SPECIFICATION | STANDARD | RESULTS | UNCERTAINTY IN MEASUREMENT | ISIRI NO |
|---|---|---|---|---|
| Molecular weight(g/mol) | 323 | 323 | ± 0.2 | ISIRI 12028 |
| Free Oil | Max 2.0 | 1.59 | ± 0.05 | ISIRI 3513 |
| Active Matter % | (96-98) | 96.2 | ± 0.2 | ISIRI 3513 |
| Color (Klett)((4%(w/w)) | Max 70 | 13 | ± 1 | ISIRI 3513 |
| Sulfuric Acid % | Max 1.8 | 1.74 | ± 0.05 | ISIRI 3513 |
| Water % | Max 0.5 | 0.45 | ± 0.02 | ISIRI 18481 |
| Appearance | Brown viscose liquid | Light Brown viscose liquid | - | ISIRI 3513 |
Specification of Labsa Linear Alkyl Benzene Sulphonic Acid
