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C9-11 Pareth 6: Properties and Applications in Industrial Formulations

C9-11 Pareth 6 is a nonionic surfactant widely used in various industrial applications due to its excellent emulsifying, wetting, and solubilizing properties. This article explores its key characteristics and how it enhances industrial formulations.

Chemical Properties of C9-11 Pareth 6

C9-11 Pareth 6 is an ethoxylated alcohol derived from a mixture of C9 to C11 fatty alcohols. The “6” in its name indicates the average number of ethylene oxide (EO) units attached to the alcohol chain. This structure gives the compound its amphiphilic nature, allowing it to interact with both water and oil phases.

Key properties include:

• Hydrophilic-Lipophilic Balance (HLB): ~12.4
• Appearance: Clear to slightly hazy liquid
• Solubility: Soluble in water and most organic solvents
• pH (1% solution): 5-7

Industrial Applications

1. Cleaning and Detergent Formulations

C9-11 Pareth 6 serves as an effective surfactant in industrial and institutional cleaners. Its ability to reduce surface tension makes it particularly useful in:

• Hard surface cleaners
• Degreasers
• Textile processing aids

2. Agricultural Formulations

In agrochemicals, C9-11 Pareth 6 functions as:

• An emulsifier in pesticide formulations
• A wetting agent for improved spray coverage
• A solubilizer for active ingredients

3. Personal Care Products

While primarily an industrial surfactant, it finds some use in personal care as:

• A secondary emulsifier in creams and lotions
• A cleansing agent in mild formulations

Formulation Advantages

C9-11 Pareth 6 offers several benefits in industrial applications:

• Excellent compatibility with other surfactants
• Good stability across a wide pH range
• Low foam generation compared to higher EO variants
• Effective at relatively low concentrations

Handling and Safety Considerations

While generally considered safe for industrial use, proper handling is essential:

• Use appropriate personal protective equipment
• Store in well-ventilated areas away from oxidizers
• Follow local regulations for disposal

As with all chemicals, consult the material safety data sheet (MSDS) for specific handling instructions and safety information.