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Nonionic surfactant based on linear alcohol ethoxylate chemistry with optimized hydrophilic-lipophilic balance (HLB ≈ 13.5).
Excellent wetting, emulsifying, and solubilizing performance in aqueous systems across a broad pH range.
Low foaming profile suitable for high-shear and industrial cleaning applications.
Good biodegradability and favorable ecotoxicological profile consistent with OECD 301 test guidelines.
Stable in hard water and compatible with common anionic, cationic, and amphoteric surfactants.
Industrial and institutional cleaners (I&I), including floor cleaners and degreasers.
Agrochemical formulations, particularly as an emulsifier in EC (emulsifiable concentrate) and SC (suspension concentrate) products.
Textile auxiliaries for scouring, dye leveling, and dispersing agents in dye baths.
Paint and coating additives for pigment wetting and dispersion stabilization.
Home care liquid detergents and dishwashing formulations requiring low-foam, high-rinsability performance.
| Chemical Type | Linear alcohol ethoxylate (C13–C15, ~9 EO units) |
| Product Form | Pale yellow to amber viscous liquid |
| Appearance | Clear to slightly hazy, homogeneous liquid at 25 °C |
| Active Content | ≥ 99.0 wt-% |
| pH (1% aqueous solution) | 5.5 – 7.0 |
| Density (20 °C) | 1.02 – 1.04 g/cm³ |
| Cloud Point (1% aqueous solution) | 68 – 72 °C |
| HLB Value | ≈ 13.5 |
Q1: What is the primary chemical nature of Lutensol TO 109?
A: Lutensol TO 109 is a nonionic surfactant based on linear alcohol ethoxylates, specifically derived from C13–C15 linear alcohols with an average ethoxylation degree optimized for balanced hydrophilicity and oil solubility.
Q2: In which types of industrial cleaning formulations is Lutensol TO 109 most commonly applied?
A: It is widely used in heavy-duty liquid detergents, metal cleaning agents, and emulsion-based degreasers where good soil suspension, low foaming, and compatibility with builders and chelating agents are required.
Q3: How does Lutensol TO 109 perform in hard water conditions?
A: As a nonionic surfactant, it maintains effective surface activity and emulsification performance in hard water without precipitation or significant loss of efficiency, making it suitable for formulations intended for variable water quality.
Q4: Is Lutensol TO 109 compatible with anionic and cationic surfactants?
A: It exhibits good compatibility with common anionic surfactants (e.g., LAS, AES) in typical formulation pH ranges. Compatibility with cationics is limited and generally not recommended unless thoroughly tested, due to potential complexation or phase separation.
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