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Nonionic surfactant based on linear alcohol ethoxylate (C13–C15) with optimized hydrophilic-lipophilic balance (HLB ≈ 20).
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 aligned with OECD 301 standards.
Stable in hard water and compatible with anionic, cationic, and other nonionic surfactants.
Industrial and institutional (I&I) cleaners, including floor cleaners and degreasers.
Agrochemical formulations—enhancing solubilization and bioavailability of active ingredients.
Textile auxiliaries for scouring, dye leveling, and dispersing agents.
Paints and coatings as stabilizers for pigment dispersions and latex emulsions.
Home care products such as dishwashing liquids and all-purpose cleaners.
| Chemical Type | Linear alcohol ethoxylate (C13–C15, ~20 EO units) |
| Product Form | Pale yellow to amber viscous liquid |
| Appearance (at 25 °C) | Clear to slightly opalescent liquid |
| Active Content (wt. %) | 99.0–100.0% |
| pH (1% aqueous solution) | 5.5–7.0 |
| Cloud Point (1% aqueous solution) | ≈ 85 °C |
| Density (20 °C) | 1.02–1.04 g/cm³ |
| HLB Value | ~20 |
Q1: What is the primary chemical nature of Lutensol TO 20?
A: Lutensol TO 20 is a nonionic surfactant based on a linear alcohol ethoxylate, featuring a C13–C15 fatty alcohol backbone with an average of approximately 20 ethylene oxide units. Its structure provides balanced hydrophilicity and surface activity, supporting effective wetting, emulsification, and solubilization in aqueous systems.
Q2: In which industrial applications is Lutensol TO 20 most commonly used?
A: It is widely employed in industrial and institutional cleaning formulations, textile processing auxiliaries (e.g., scouring and dye leveling), agrochemical emulsifiable concentrates, and water-based coatings. Its low-foaming profile and good hard-water tolerance make it especially suitable for high-shear or automated cleaning processes.
Q3: How does Lutensol TO 20 perform under varying temperature and pH conditions?
A: As a nonionic ethoxylate, Lutensol TO 20 exhibits good stability across a broad pH range (approximately pH 4–12) and remains effective at elevated temperatures. Its cloud point is typically above 65 °C, supporting performance in warm-process applications without significant loss of solubility or activity.
Q4: Is Lutensol TO 20 compatible with ionic surfactants and common formulation ingredients?
A: Yes — it demonstrates excellent compatibility with anionic, cationic, and amphoteric surfactants, as well as with typical co-solvents, chelants, and thickeners used in industrial formulations. Synergistic effects are often observed when blended with anionic surfactants such as alkylbenzene sulfonates or alkyl sulfates.
Q5: What are general handling and storage recommendations for Lutensol TO 20?
A: Store in tightly sealed containers at ambient temperatures, away from direct sunlight and sources of excessive heat. Under these conditions, shelf life is typically 24 months from date of manufacture. Avoid prolonged exposure to freezing temperatures, as crystallization may occur and require gentle warming to redissolve without degradation.
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