# Ethoxylated C9-11 Alcohol with 6 Moles of Ethylene Oxide: A Versatile Surfactant

## Introduction to C9-11 Pareth 6

C9-11 Pareth 6, chemically known as Ethoxylated C9-11 Alcohol with 6 Moles of Ethylene Oxide, is a nonionic surfactant widely used in various industrial and consumer applications. This compound belongs to the family of alcohol ethoxylates, which are known for their excellent surface-active properties.

## Chemical Structure and Properties

The molecular structure of C9-11 Pareth 6 consists of a C9-11 alcohol chain (a mixture of 9 to 11 carbon atoms) ethoxylated with an average of 6 moles of ethylene oxide. This configuration gives the molecule its amphiphilic nature:

The hydrophilic-lipophilic balance (HLB) of C9-11 Pareth 6 typically ranges between 12 and 14, making it suitable for various emulsification and cleaning applications.

Key Characteristics:

• Appearance: Clear to slightly hazy liquid
• Solubility: Soluble in water and most organic solvents
• pH (1% solution): Approximately 6-8
• Cloud point: Varies with concentration but typically around 50-60°C

## Applications in Various Industries

1. Cleaning Products

C9-11 Pareth 6 is extensively used in household and industrial cleaning formulations due to its excellent wetting and emulsifying properties. It’s particularly effective in:

• Dishwashing liquids
• Laundry detergents
• Hard surface cleaners
• Degreasers

2. Personal Care Products

In cosmetic and personal care formulations, this surfactant serves as a mild cleansing agent and emulsifier in products such as:

• Shampoos
• Body washes
• Facial cleansers
• Shaving creams

3. Industrial Applications

The compound finds use in various industrial processes including:

• Textile processing
• Agrochemical formulations
• Paint and coating additives
• Metal working fluids

## Environmental and Safety Considerations

As with all chemical substances, proper handling and disposal of C9-11 Pareth 6 are essential. The material is generally considered:

• Biodegradable under aerobic conditions
• Low in aquatic toxicity
• Mild to skin at typical use concentrations

However, appropriate personal protective equipment should be used when handling concentrated forms of the product.

## Conclusion

C9-11 Pareth 6 remains a valuable surfactant in numerous applications due to its balanced properties, effectiveness across various pH ranges, and relatively favorable environmental profile. As industries continue to seek versatile and efficient surface-active agents, ethoxylated alcohols like C9-11 Pareth 6 will likely maintain their importance in formulation chemistry.