AEO-9 / Alcohol Ethoxylate 9 (C9-11 Pareth-9) – High Performance Nonionic Surfactant

Product Name: Alcohol Ethoxylate 9

Common Name: AEO-9 / AEO9

INCI Name: C9-11 Pareth-9

CAS Number: 68439-46-3

Appearance: Clear to slightly cloudy liquid

Description

AEO-9 (Alcohol Ethoxylate 9) is a highly effective nonionic surfactant widely used in cleaning, detergent, and industrial formulations. It provides excellent wetting, emulsifying, and detergency properties, making it ideal for removing oils, grease, and dirt.

AEO-9 is known for its strong degreasing ability and excellent compatibility with anionic, cationic, and amphoteric surfactants. It is commonly used in household cleaners, industrial detergents, textile processing, and agricultural formulations.

Key Features

• Excellent wetting and degreasing performance

• Strong emulsification of oils and fats

• Low foam to moderate foam characteristics

• Good hard water tolerance

• Compatible with many surfactant systems

• Effective across a wide temperature range

Common Applications

• Industrial and household detergents

• Degreasers and heavy-duty cleaners

• Laundry detergents

• Dishwashing liquids

• Car wash and automotive cleaners

• Textile processing and scouring

• Agricultural spray formulations

Typical Properties

• Appearance: Clear to slightly hazy liquid

• HLB Value: ~13

• Solubility: Soluble in water

• pH (1% solution): ~6 – 8

Formulation Advantages

AEO-9 is often used alongside anionic surfactants such as AOS or SLES to significantly improve grease removal and cleaning performance. Its strong emulsification capability helps disperse oils and contaminants in cleaning systems.

Storage

Store in a cool, dry place away from direct sunlight. Keep container tightly sealed when not in use.

Safety

Refer to the Safety Data Sheet (SDS) for full handling and safety information.

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