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LIALET 111-7

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Function: Emulsifier, Surfactant (Nonionic), Intermediate, Dispersant & Wetting Agent, Degreaser, Wetting Agent, Chemical Intermediate, Surfactant
CAS Number: 127036-24-2
Chemical Family: Alcohol Ethoxylates
Ingredient Origin: Petrochemical, Synthetic
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Identification & Functionality

LIALET 111-7 Features & Benefits

Applications & Uses

Markets
Applications
Industrial — Other Industrial Applications,
Home Care Applications
Recommended Uses & Known Applications
  • LIALET 111-7 has a well-balanced hydrophylic-lipophylic ratio. It is a good emulsifier agent for O/W emulsions.
  • LIALET 111-7 is a good wetting agent, with good degreasing performance. The combination of wetting and degreasing properties makes LIALET 111-7 well suited for APC formulation as well as wool scouring process.

Properties

Compatible Substrates & Surfaces
Physical Form
Appearance
Cloudy Liquid
Typical Properties
ValueUnitsTest Method / Conditions
Cloud Point (1% in water)53-55°CEN 1890
Polyethylene Glycols Contentmax. 3% massMPL 2002.0
pH (5%)5.0-7.0-MPL 1007.0
Free Water (Karl Fischer)max. 0.5% massRCM 3804
Viscosity at 50°C20cStASTM D445, ASTM D7042
Density at 50°C970kg/m3ASTM D7042
Colormax. 50APHARCM 3607
Flash Pointmin. 125°CASTM D 93
Ethylene Oxide Content64%w/wCalculated
Pour Point16°CRCM 3629
Molecular Weight467-492g/molCalculated
Hydroxyl Number114-120mg KOH/gEN 13926
HLB12.8-Calculated
Surface Active Property

One of the most characteristic properties of surface active agents is their ability to reduce the surface tension of water. Ethoxylates based on short chain alcohols provide a typical surface tension reduction. Upon addition of ethoxylates, the water surface tension of 72 mN/m can be reduced to values below 30 mN/m

The Critical Micelle Concentration (CMC) is a further characteristic property of a surfactant. The CMC is the concentration at which single surfactant molecules start to build micellar aggregates. CMC values as well as surface tension data at 0.1 g/l resp. 1.0 g/l for the ethoxylates based on short chain alcohols are recorded

Product Name Surface tension in mN/m, at 25°C in D.I. water Surfactant concentration Critical micelle concentration (CMC) [g/l]
0.1 g/l 1.0 g/l
LIALET 111-3 26 26 0.04
LIALET 111-5.5 28 27 0.09
LIALET 111-7 30 27 0.15
LIALET 111-8 33 27 0.21
Solubility and Gel Formation With Water

Solubility in water

As for all alcohol ethoxylates the solubility of this product group mainly depends on the base alcohol and the length of the water soluble polyethylene glycol ether chain. Accordingly, the solubility increases with the degree of ethoxylation. Ethoxylates based on short chain alcohols with 3 to 5 moles of EO are only sparingly soluble in water whereas higher ethoxylated types are readily soluble in water and show excellent wetting properties.

Gel formation in water

Aqueous solutions of short chain alcohol ethoxylates cover a large range of viscosities from free flowing liquids to solid gels in dependence of the amount of water added. The gel phases typically occur at medium concentrations and can have significant stability even when additional water is added.

Overview of the gel formation of the different alcohol ethoxylates.

Product Name 0% water 10% water 20% water 30% water 40% water 50% water 60% water 70% water 80% water 90% water
LIALET 111-3 Cloudy Liquid Transparent Liquid Transparent Liquid Transparent Liquid Cloudy Liquid Cloudy Liquid Cloudy Liquid Cloudy Liquid Cloudy Liquid Cloudy Liquid
LIALET 111-5.5 Cloudy Liquid Transparent Liquid Transparent Liquid Gel or paste Gel or paste Cloudy Liquid Cloudy Liquid Cloudy Liquid Cloudy Liquid Cloudy Liquid
LIALET 111-7 Cloudy Liquid Transparent Liquid Transparent Liquid Gel or paste Gel or paste Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid
LIALET 111-8 Cloudy Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid Transparent Liquid

Packaging & Availability

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Packaging Information

LIALET 111-7 is generally supplied in drums

Storage & Handling

Shelf Life
36 months
Storage and Handling
  • LIALET 111-7 should preferably be stored in stainless steel tanks. It is suggested to keep the product at temperature below 40°C, it is preferable to avoid heating above 60°C and to store under nitrogen in order to minimise yellowish phenomena.
  • LIALET 111-7 is a cloudy liquid at room temperature and it becomes homogeneous and transparent at temperature about 30°C, it becomes a solid wax at t emperature lower than 15°C.
  • Improvement of appearance and handling at low temperature can be achieved by mixing the product with 15 weight% water to obtain a clear liquid up to a temperature about 5 - 10 C°.
  • Shelf-life is 36 months from production date for product in its original and sealed packaging.
LIALET 111-7
Sasol