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# 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 hydrophobic C9-11 alcohol chain (9-11 carbon atoms)
– A hydrophilic polyoxyethylene chain (6 moles of ethylene oxide)
Key Physical Properties:
• Appearance: Clear to slightly hazy liquid
• Solubility: Soluble in water and most organic solvents
Keyword: C9-11 Pareth 6
• HLB value: Approximately 12-13 (moderate hydrophilicity)
• pH (1% solution): Typically 5.0-7.0
## Manufacturing Process
C9-11 Pareth 6 is produced through the ethoxylation reaction of C9-11 fatty alcohols with ethylene oxide in the presence of a catalyst. The process involves:
1. Purification of raw materials
2. Controlled addition of ethylene oxide
3. Neutralization and purification of the final product
## Applications Across Industries
### 1. Household and Industrial Cleaning
C9-11 Pareth 6 serves as an effective detergent and wetting agent in:
- Laundry detergents
- Dishwashing liquids
- Hard surface cleaners
- Industrial degreasers
### 2. Personal Care Products
In cosmetics and personal care, it functions as:
- Emulsifier in creams and lotions
- Foaming agent in shampoos
- Solubilizer for fragrances
### 3. Agricultural Applications
Used in pesticide formulations as:
- Wetting agent
- Emulsifier
- Penetration enhancer
## Advantages Over Other Surfactants
C9-11 Pareth 6 offers several benefits:
- Excellent biodegradability (60-100% in standard tests)
- Good compatibility with other surfactants
- Low irritation potential compared to sulfates
- Stable performance across a wide pH range
## Safety and Environmental Considerations
Human Safety:
• Low acute toxicity (oral, dermal)
• Mild eye and skin irritation potential
• Not considered a skin sensitizer
Environmental Profile:
• Readily biodegradable under aerobic conditions
• Low bioaccumulation potential
• Not classified as a PBT (Persistent, Bioaccumulative, Toxic) substance
## Market Trends and Future Outlook
The global demand for C9-11 Pareth 6 is expected to grow steadily, driven by:
- Increasing demand for mild surfactants in personal care
- Shift toward more environmentally friendly cleaning products
- Expansion of the agrochemical sector in developing countries
## Conclusion
C9-11 Pareth 6 remains a versatile and valuable surfactant in numerous applications. Its balanced hydrophilic-lipophilic properties, combined with favorable environmental and safety profiles,