Lansurf AE37 is a nonionic surfactant with compatibility across soaps, anionic, cationic, and other nonionic surfactants. Similar to others in the series, it displays effective oil/water and water/oil emulsification, wetting, and detergency. It is utilized in textile auxiliaries, metal processing, paper, leather, standard industrial and domestic detergents, agrochemicals, and paints. Lansurf AE320W is also noted for its excellent emulsification capabilities in systems like vinyl acetate homopolymer emulsion polymerization.

Chemical Name: Alcohols, C11-14-iso-, C13-rich, ethoxylated

CAS Number: 78330-21-9

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

Chemical Family: Alcohol Ethoxylates

Labeling Claims: Biodegradable, Foreign matter-free

Synonyms: Alcohols, C11-14-isoalcs., C13-rich, ethoxylated

Technical Data Sheet

Ask P.A.T. Products Questions

Leo Coyle avatarErik Espling avatarLogan York avatar

Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions

Features & Benefits

Applications & Uses

Home Care Applications
I&I Cleaning Applications
  • Lansurf AE37 finds application in many areas, typical examples being as co-emulsifiers for mineral oils and mineral waxes; emulsification of alkyd resins and paraffinic hydrocarbons.
  • Uses:
  • Household general purpose cleaner
  • Textile auxiliaries
  • Metal processing
  • Paper
  • Leather
  • Industrial and domestic detergents
  • Agrochemicals
  • Paints
  • Lansurf AE37 is an excellent emulsifier for emulsion polymerization for systems such as:
  • Vinyl Acetate - Acrylic


Physical Form
Clear to hazy liquid free from foreign matter (at 25°C)
Dispersible in
Typical Properties
ValueUnitsTest Method / Conditions
Flash Pointmin. 150°CClosed Cup
Hydrophilic-Lyphophilic Balance Value12--
Moles of Ethylene Oxide7--
Pour Point6.0°C-
Solid Content100.0%-
Specific Gravity (at 20°C)0.98--
Surface Tension (at 0.1% aqueous)27mN/m-
Viscosity (at 25°C)68.4cP-
ValueUnitsTest Method / Conditions
Cloud Point (5g in 25g, 25% BDG Solution))68.0 - 71.0°C-
Colormax. 100Hazen-
pH (5% aqueous)5.0 - 8.0--

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

Lansurf AE37 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 AE37 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.