Sulfonic Acid (LABSA)

Sulfonic Acid (LABSA) Definition

Sulfonic acid or LABSA is a batch of organic sulfur compounds that are used as an anionic surfactant in most home detergents such as dishwashing detergents and washing powders. LABSA compound is used as a cleaning agent, foaming agent and sponge cleaner in more formulations. For the production of sulfonic acid, alkaline benzene linear sulfation is usually used. And its ingredients Linear Alkyl benzene, Oxygen, Sulfur and Citric Acid.

Linear alkylbenzene sulfonic acid (LABSA) is prepared commercially by just sulfonating linear alkylbenzene (LAB). Linear alkylbenzene sulfonate which is mainly called (LAS), the worlds largest volume synthetic surfactant, which includes the various salts of sulfonated alkylbenzenes, which is widely used in household detergents as well as in numerous industrial application. The Iran LABSA96% market is driven by the markets for LAS, i.e., household detergents. Linear alkylbenzene sulfonate was created as a biodegradable replacement for nonlinear (i.e., branched) alkylbenzene sulfonate (BAS) and has largely replaced BAS in household detergents throughout the World.
Iran Linear alkylbenzene sulfonic acid ( LABSA 96% ) is the largest volume synthetic surfactant because of its relatively low cost price, good performance the fact that it can be dried to a stable powder and the biodegradable environmental friendliness as it has right chain.

Sulfonic Acid (LABSA) Applications

  1. Used as Synthetic detergent industries in formulation of Washing powder, Detergent powder, Detergent cake, Liquid Soap, Cleaning powder, Scouring Bar, Oil soaps etc…
  2. Used in textile industry as a washing agent.
  3. Used in Pesticides to improve the quality of spray.
  4. HI & I cleaning
  5. Emulsion polymerization
  6. Metalworking
  7. Paints & coatings
  8. Laundry detergents
  9. Industrial auxiliaries
  10. Oil fields
  11. Agriculture


  1. Chemical Formula : R-C6H4-SO3H
  2. CAS Number: 27176-87-0
  3. Active Matter (M=320) 96.0 % – 98.0%
  4. Specific Gravity (20°C) 1.050 – 1.060
  5. Free Oil < 2.5%
  6. Sulfuric Acid < 0.75%
  7. Preservation none
  8. Neutralization Index 13 (g NaOH 100/100 g)
  9. Color, APHA; ASTM D 1209 (Klett 5% AM) < 80
  10. Water Content 0.55%