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Nonionic surfactant based on linear alcohol ethoxylate (C13–C15, ~7 mol EO), offering balanced hydrophilic-lipophilic properties.
Excellent wetting, emulsifying, and solubilizing performance in both hard and soft water.
Good low-temperature stability and compatibility with anionic, cationic, and other nonionic surfactants.
Biodegradable under aerobic conditions, supporting sustainable formulation design.
Low foaming profile, suitable for high-shear and industrial cleaning applications.
Industrial and institutional cleaners (e.g., floor cleaners, degreasers, glass cleaners).
Agrochemical formulations (e.g., emulsifiable concentrates, suspension concentrates).
Textile auxiliaries (e.g., scouring agents, dye dispersants, leveling agents).
Paints and coatings (e.g., pigment dispersion, stabilizer in water-based systems).
Home care products (e.g., all-purpose cleaners, dishwashing liquids).
| Chemical Type | Linear alcohol ethoxylate (C13–C15, ~7 mol EO) |
| Product Form | Liquid |
| Appearance | Pale yellow to colorless, clear liquid |
| pH (1% aqueous solution, 20 °C) | 5.5–7.0 |
| Cloud Point (1% aqueous solution) | ~58–62 °C |
| Active Content (wt %) | 99–100% |
| Density (20 °C) | 0.98–1.02 g/cm³ |
| Viscosity (20 °C) | 200–400 mPa·s |
Q1: What is the primary chemical nature of Lutensol TO 7?
A: Lutensol TO 7 is a nonionic surfactant based on a linear alcohol ethoxylate, specifically derived from a C13–C15 linear alcohol with an average of approximately 7 moles of ethylene oxide per molecule. Its structure provides balanced hydrophilic-lipophilic properties suitable for emulsification and solubilization in diverse aqueous systems.
Q2: In which types of industrial cleaning formulations is Lutensol TO 7 most commonly used?
A: It is widely employed in low-foaming, high-efficiency industrial and institutional cleaners—particularly for hard-surface cleaning, metal parts cleaning, and CIP (clean-in-place) applications—where good soil removal, compatibility with builders and chelants, and stability across a broad pH range are required.
Q3: How does Lutensol TO 7 perform in cold-water applications?
A: Due to its moderate ethoxylation level and linear alcohol backbone, Lutensol TO 7 exhibits good water solubility and surfactant performance at lower temperatures, making it suitable for ambient- or cold-water cleaning formulations without requiring excessive heating or co-solvents.
Q4: Is Lutensol TO 7 compatible with anionic and cationic ingredients?
A: It demonstrates broad compatibility with common anionic surfactants (e.g., LAS, AES) and many cationic actives under typical formulation conditions. However, phase behavior should be verified experimentally when combining with strongly cationic polymers or high concentrations of multivalent electrolytes.
Q5: What is the recommended dosage range for Lutensol TO 7 in standard cleaning concentrates?
A: Dosage depends on formulation requirements and performance targets, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in finished products—to achieve effective emulsification, wetting, and detergency without excessive foaming.
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