Lansurf AE33 is a biodegradable nonionic surfactant created through the ethylene oxide reaction with a synthetic primary alcohol. This product boasts compatibility with soaps, anionic, cationic, and other nonionic surfactants, showcasing excellent oil/water and water/oil emulsification, wetting, and detergency properties. Notably, this nonionic variant is inherently anhydrous in nature.

Chemical Name: Isotridecanol, Ethoxylated

CAS Number: 69011-36-5

Functions: Co-Emulsifier, Surfactant, Surfactant (Nonionic)

Chemical Family: Alcohol Ethoxylates

Labeling Claims: Biodegradable, Foreign matter-free

Synonyms: Poly(oxy-1,2-ethanediyl), α-tridecyl-ω-hydroxy-, branched

Technical Data Sheet

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Applicable Processes
Home Care Applications
I&I Cleaning Applications
Industrial Additives End Use
  • Lansurf AE33 is typically used as a co-emulsifier for mineral oils and mineral waxes and singularly for the emulsification of alkyd resins and paraffinic hydrocarbons. In terms of market sectors,
  • Lansurf AE33 is used in areas such as textile auxiliaries, metal processing, paper, leather, standard industrial and domestic detergents, agrochemicals and paints.


Physical Form
Clear to hazy liquid free from foreign matter (at 25°C)
Sparingly soluble in
Typical Properties
ValueUnitsTest Method / Conditions
Flash Pointmin. 100°C-
Hydrophilic-Lyphophilic Balance Value9--
Moles of Ethylene Oxide3--
Pour Point5.0°C-
Solid Content100.0%-
Specific Gravity (at 20°C)0.93--
Surface Tension (at 0.1% aqueous)27mN/m-
Viscosity (at 25°C)44.9cP-
ValueUnitsTest Method / Conditions
Cloud Point (5g in 25g, 25% BDG Solution))34.0 - 39.0°C-
Colormax. 50Hazen-
pH (5% aqueous)5.0 - 7.0--

Packaging & Availability

Packaging Type
Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

Lansurf AE33 can be supplied in bulk road tankers, IBC’s and 200kg nett drums.

Storage & Handling

Storage Conditions
  • Stainless steel, polyethylene or glass lined equipment is necessary for the storage of Lansurf AE33 in order to prevent corrosion and subsequent contamination.
  • This material can separate on standing and at low temperatures. May require agitation and warming prior to use.