Anionic Surfactant Wholesale
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Category：Inorganic Chemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Definition & Structure
Anionic Surfactants are surface-active agents with:
- Hydrophilic Head: Negatively charged (e.g., sulfate, sulfonate, carboxylate)
- Hydrophobic Tail: Linear/branched alkyl or aryl chains (C10–C18)
Key Feature:
- Ionize in water → High surface activity in alkaline/neutral pH
Classification & Common Types
| Class | Structure | Example Compounds |
|---|---|---|
| Alkyl Sulfates | ROSO₃⁻Na⁺ | Sodium Lauryl Sulfate (SLS) |
| Alkyl Ether Sulfates | RO(CH₂CH₂O)ₙSO₃⁻Na⁺ | Sodium Laureth Sulfate (SLES) |
| Alkylbenzene Sulfonates | R-Ph-SO₃⁻Na⁺ | Linear Alkylbenzene Sulfonate (LAS) |
| Alpha-Olefin Sulfonates | R-CH=CH(CH₂)ₙSO₃⁻Na⁺ | Sodium C14-16 Olefin Sulfonate |
Key Properties
| Property | Advantage | Test Method |
|---|---|---|
| High Foaming | Ideal for detergents/shampoos | Ross-Miles foam test |
| Detergency | Superior oil/stain removal | ASTM D3050 (soil removal efficiency) |
| Wetting Ability | Rapid surface tension reduction | Du Nouy ring method |
| Cost Efficiency | High activity at low concentrations | CMC measurement (conductivity) |
Applications
| Industry | Function | Example Use |
|---|---|---|
| Home Care | Laundry detergents, dish soaps | SLES in liquid detergents |
| Industrial | Metal cleaning, textile processing | LAS in degreasers |
| Food | Emulsifiers in baked goods | Sodium stearoyl lactylate |
| Agriculture | Pesticide/wetting agents | Dioctyl sulfosuccinate |
Disclaimer:
The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
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