Hydrophilic Lipophilic Balance (HLB) Value


Hydrophilic–lipophilic balance (HLB) is a way of measuring solubility based on the hydrophilic and lipophilic moieties of a surfactant molecule. 


HLB Value Range and Surfactant Application

  • 0–3: Antifoaming agents
  • 4–6: Water-in-oil emulsifying agents
  • 7–9: Wetting agents
  • 8–18: Oil-in-water emulsifying agents
  • 13–15: Detergents
  • 10–18: Solubilizing agents


Commonly Used Surfactant and Their Hydrophilic-Lipophilic Balance (HLB) Value

  • Sorbitan trioleate (Span 85, Arlacel 85) - 1.8
  • Sorbitan tristearate (Span 65) - 2.1
  • Propylene glycol monostearate (pure) - 3.4
  • Sorbitan sesquioleate (Arlacel C) - 3.7
  • Sorbitan monooleate (Span 80y) - 4.3
  • Sorbitan monostearate (Arlacel 60) - 4.7
  • Sorbitan monopalmitate (Span 40, Arlacel 40) - 6.7
  • Sorbitan monolaurate (Span 20, Arlacel 20) - 8.6
  • Glyceryl monostearate (Aldo 28, Tegin) - 5.5
  • Gelatin - 9.8
  • Triethanolamine oleate (Trolamine) - 12.0
  • Polyoxyethylene alkyl phenol (Igepal CA-630) - 12.8
  • Tragacanth - 13.2
  • Polyoxyethylene sorbitan monolaurate (Tween 21) - 13.3
  • Polyoxyethylene castor oil (Atlas G-1794) - 13.3
  • Polyoxyethylene sorbitan monooleate (Tween 80) - 15.0
  • Polyoxyethylene sorbitan monopalmitate (Tween 40) - 15.6
  • Polyoxyethylene sorbitan monolaurate (Tween 20) - 16.7
  • Polyoxyethylene lauryl ether (Brij 35) - 16.9
  • Sodium oleate - 18.0
  • Sodium lauryl sulfate - 40.0


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