Zwitterionic Surfactant
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Category：Inorganic Chemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Definition & Structure
Zwitterionic Surfactants are amphiphilic molecules containing:
- Hydrophilic Head: Both cationic (+) and anionic (-) charges (net neutral)
- Hydrophobic Tail: Alkyl or aryl chain (e.g., C12–C18)
Example Structures:
- Betaines: R-N⁺(CH₃)₂-CH₂-COO⁻ (e.g., Cocamidopropyl betaine)
- Sulfobetaines: R-N⁺(CH₃)₂-CH₂-CH₂-SO₃⁻
Key Properties
| Property | Advantage | Measurement Method |
|---|---|---|
| Mildness | Low skin/eye irritation | In vitro cytotoxicity assays |
| Biodegradability | Environmentally friendly | OECD 301 standards |
| Foam Stability | Excellent lather formation | Ross-Miles foam test |
| Salt Tolerance | Stable in hard water/brine | Conductivity titration |
Applications
| Industry | Use Case | Example Product |
|---|---|---|
| Personal Care | Shampoos, body washes | Cocamidopropyl betaine (CAPB) |
| Pharmaceuticals | Drug delivery systems | Phospholipid-based liposomes |
| Food Processing | Emulsifiers for sauces | Lecithin derivatives |
| Enhanced Oil Recovery | Wettability alteration | Sulfobetaines for reservoir flooding |
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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