Primary Alcobol Ethoxylate (AEO7 AEO9)

Primary Alcobol Ethoxylate (AEO7 AEO9)

Name: Primary Alcobol Ethoxylate (AEO7 AEO9)
CAS: 9002-92-0
Molecular formula: C30H62O10
Formula weight: 582.81
Appearance: Colorless transparent liquid; white paste
Application: Primary Alcobol Ethoxylate (AEO7 AEO9) are nonionic surfactants derived from the ethoxylation of primary alcohols (usually from natural fatty alcohols) with ethylene oxide.
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Description
Technical Parameters

Key Properties

 

  • Type: Nonionic surfactant
  • Structure: Derived from primary alcohols ethoxylated with varying numbers of ethylene oxide (EO) units (AEO7 and AEO9 correspond to 7 and 9 EO units, respectively)
  • Foam Stability: Moderate to high
  • Solubility: Soluble in water, works well in a range of pH levels
  • Mildness: Gentle and non-irritating, suitable for sensitive formulations
  • Emulsification: Effective at emulsifying oils and water in various systems
  • Degreasing: Strong degreasing properties

 

Main Functions & Applications

 

1. Personal Care & Daily Chemicals

In personal care and daily chemicals, AEO7 and AEO9 are commonly used for their emulsifying, foaming, and cleaning properties:

Shampoos & Body Washes:

  • Emulsifies oils and dirt, aiding in efficient cleansing
  • Removes stains and oil build-up while maintaining the skin's moisture balance
  • Provides a mild and non-irritating cleansing action, making it ideal for sensitive skin

Laundry Detergents:

  • Enhances washing power, removing stains effectively
  • Protects fabric colors by preventing fading during washing
  • Compatible with hard water, ensuring effective detergent performance

Baby Care Products:

  • Provides gentle cleansing for baby skin
  • Mild enough for delicate skin, reducing irritation while effectively cleaning

2. Household Cleaning

In household cleaning, AEO7 and AEO9 are used to enhance cleaning, degreasing, and emulsifying:

Dishwashing Liquid:

  • Powerful degreasing action, removing oil and grease from dishes effectively
  • Gentle on hands, reducing irritation even with frequent use
  • Creates a rich, long-lasting foam for better cleaning power

Fruit and Vegetable Cleaner:

  • Effectively removes dirt and pesticide residues without leaving harmful chemicals
  • Provides a gentle and safe cleaning solution for food-contact surfaces

Kitchen and Bathroom Cleaners:

  • Synergistic effects when combined with other cleaning agents for efficient stain removal
  • Removes tough stains and grease from kitchen surfaces without harsh chemicals

3. Industrial Applications

In industrial settings, AEO7 and AEO9 are used as emulsifiers, dispersants, and cleaners:

Textile Printing and Dyeing:

  • Used as an emulsifying leveling agent, ensuring even dye distribution and uniform color application
  • Helps maintain uniformity and stability during fabric processing

Metal Cleaning Agents:

  • Degreasing and stain removal for industrial machinery and metal components
  • Cleans oils, greases, and other contaminants effectively from metal surfaces

Pesticide Emulsifying Dispersants:

  • Enhances pesticide efficacy by ensuring stable emulsions and improving coverage during application
  • Boosts adhesion to plant surfaces, ensuring better protection against pests

 

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Specs

 

ITEM

STANDARD

Appearance

Colorless transparent liquid; white paste

Hydroxyl value mgKOH/g

80-180

Acid value mgKOH/g

≤ 0.5

Saponification value mgKOH/g

≤1.0

Moisture content %

≤ 0.5

pH value (1% aqueous solution)

5.0-7.0

Purity %

≥ 99

Biodegradable %

≥ 90

Cloud point ℃

40-90

 

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