Use of Surfactant

Helping Make Products Better™

Lutensol XP® Surfactants

Version : September 2005

Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol Lutensol

XP XP XP XP XP XP XP XP XP XP XP XP XP

30 Surfactant 40 Surfactant 50 Surfactant 60 Surfactant 69 Surfactant 70 Surfactant 79 Surfactant 80 Surfactant 89 Surfactant 90 Surfactant 99 Surfactant 100 Surfactant 140 Surfactant

Performance Chemicals

Lutensol XP Surfactants

Chemical nature:

Nonionic surfactants for detergents and cleaners, and for the chemical and allied industries

The Lutensol XP types are branched nonionic surfactants. They are alkyl polyethylene glycol ethers based on C 10 -Guerbet alcohol and ethylene oxide. The Lutensol ® XP types are manufactured by reacting the C 10 -alcohol with ethylene oxide in stoichiometric proportions. The numeric portion of the product name indicates the general degree of ethoxylation.

Product properties:

Lutensol XP 30, XP 40, XP 50, XP 60, XP 70, XP 80 and XP 90 are clear to cloudy liquids at room temperature, and can form a sediment. Lutensol XP 100 and XP 140 are soft, colorless or slightly yellowish pastes at 23°C; they become clear at 50°C. Lutensol XP 69, XP 79, XP 89 and XP 99 are clear liquids at room temperature.

Solubility:

Details on the solubility of the Lutensol XP types in various solvents are given in the table below.

Biodegradability:

The Lutensol XP types are readily biodegradable according to test methods OECD 301 A – F.

Solubility of the Lutensol XP types (10% at 23 °C)

Distilled water Potable water (2.7 mmol 2+ Ca /l) Caustic soda(5%) Hydrochloric acid (5%) Salt Solution (5%) Solvent naphtha Ethanol Isopro1) panol Aromatic hydrocarbons

Lutensol XP 30 Lutensol XP 40 Lutensol XP 50 Lutensol XP 60 Lutensol XP 69 Lutensol XP 70 Lutensol XP 79 Lutensol XP 80 Lutensol XP 89 Lutensol XP 90 Lutensol XP 99 Lutensol XP 100 Lutensol XP 140 + ± – o = = = =

– – o – – +...