Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Lutensit AN40 Surfactant

BASF Lutensit AN40 is a high-performance anionic surfactant from BASF’s Lutensit series, featuring excellent foaming, cleaning and emulsifying properties. It offers superior water solubility, mildness to skin, and compatibility with other surfactants—ideal for personal care formulations like shampoos and body washes.
  • basf lutensit an40 surfactant_dc60fb9f
  • basf lutensit an40 surfactant_dc60fb9f

Features Of BASF Lutensit AN40 Surfactant

  1. Highly effective anionic surfactant based on alkyl naphthalene sulfonates with excellent wetting and penetrating properties.

  2. Offers superior compatibility with a broad range of ionic and non-ionic surfactants in complex formulations.

  3. Delivers outstanding emulsification stability in oil-in-water systems, even under high electrolyte concentrations.

  4. Provides low foaming characteristics, making it ideal for industrial cleaning and metalworking applications.

  5. Exhibits good biodegradability and favorable environmental profile compared to traditional alkylbenzene sulfonates.

Typical Applications Of BASF Lutensit AN40 Surfactant

  1. Industrial and institutional (I&I) hard-surface cleaners.

  2. Metalworking fluids, including cutting and grinding oils.

  3. Agrochemical formulations—particularly as a wetting agent and dispersant in SC and OD concentrates.

  4. Textile auxiliaries for scouring, desizing, and dye leveling.

  5. Paint and coating additives for pigment dispersion and substrate wetting.

Specifications Of BASF Lutensit AN40 Surfactant

Chemical TypeAlkyl naphthalene sulfonate (ANSA)
Product FormLiquid
AppearanceAmber to brown viscous liquid
pH (1% aqueous solution)6.5 – 8.5
SolubilityFreely soluble in water and common organic solvents (e.g., alcohols, glycol ethers)
Active Content~40 wt.% (as supplied)
Density (20 °C)1.12 – 1.16 g/cm³
Flash Point (PMCC)>100 °C


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