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Lansurf AE37

Product Category: Nonionics

Tridecanol Ethoxylate with 7 Moles of Ethylene Oxide

INCI Name: Trideceth‑7

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Lansurf AE37 is a nonionic surfactant produced by the reaction of ethylene oxide with a synthetic primary alcohol. It offers excellent Oil/Water and Water/Oil emulsification, combined with strong wetting and detergency properties.


Lansurf AE37 is fully compatible with soaps, as well as anionic, cationic, and other nonionic surfactants, making it highly versatile for use in a wide range of formulations.

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Key Features

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  • Strong emulsification & wetting – Provides effective oil/water and water/oil emulsification, plus good wetting and detergency.
    • Highly compatible – Works well with soaps, anionic, cationic, and other nonionic surfactants.
    • Broad application use – Suitable for textile auxiliaries, detergents, metal processing, agrochemicals, paints, and emulsion polymerisation.

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Applications

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Co-emulsifier for mineral oils and mineral waxes


Primary emulsifier for alkyd resins and paraffinic hydrocarbons


Household general-purpose cleaners


Textile auxiliaries
- Wetting and emulsifying agent in scouring and dyeing processes.


Metal processing
- Component in metalworking fluids for lubrication and cooling.


Paper Industry
- Wetting and dispersion aid in paper processing.


Leather Processing
- Emulsifier and wetting agent for leather treatment formulations.


Industrial and Domestic Detergents
- Strong wetting and emulsifying properties for hard-surface cleaners, degreasers, and laundry detergents.


Agrochemicals
- Wetting agent and adjuvant in pesticide and herbicide formulations.
- Improves spreading and penetration on plant surfaces.


Paints, Coatings & Inks
- Dispersing and wetting agent for pigments and fillers.
- Enhances flow and stability in waterborne systems.


Emulsion Polymerisation
- Excellent emulsifier for polymerisation systems such as Vinyl Acetate and Acrylic.

Specification

Appearance at 25°C
 

Clear to hazy liquid free from foreign matter

Colour hazen

100 max

Cloud point °C (5g in 25g (25% BDG solution))

68.0 - 71.0

pH 5% aqueous
 

5.0 - 8.0

Typical Properties

Composition

C13 Alcohol ethoxylate

Moles of EO

7

Viscosity at 25°C (cP)

68.4

Density at 25°C

0.94–1.02 g/cm³

Biodegradability

Readily biodegradable

CAS number 

78330-21-9

Odour

Characteristic

Solubility in water

Dispersible

Flash point closed cup °C

>100

Ionic character

Nonionic

Active content % 

100

HLB value

12.0

Pour point °C

6

Surface tension at 0.1% aqueous (mN/m)

27

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