
Sodium Methyl Cocoyl Taurate (SMCT) is a mild anionic amino acid surfactant with the molecular formula C₁₁H₂₁NNaO₄S and a molecular weight of 275.35. At room temperature, it appears as a milky white viscous paste or a colorless to pale yellow transparent liquid with a slight fatty odor. The molecule contains an amide bond and a sodium sulfonate hydrophilic group, offering high stability and good compatibility with anionic, cationic, nonionic, and amphoteric surfactants.
| Item | Specification |
| Melting Point | N/A |
| Boiling Point | N/A |
| Density | 1.0-1.1 g/cm³(25℃) |
| Flash point | ~101℃ |
| Odor | Faint characteristic odor |
| PH | 6.5–9.0 (1% aqueous solution) |
| Foaming properties | Better foam stability in hard water than SLES; produces a fine, long-lasting lather |
| Solubility | Soluble in water, insoluble in oil |
| Active Content | ≥38% |
Facial Cleansers: Core ingredient for mild, high-end amino acid cleansers, providing rich foam and non-drying feel.
Hair Care: Sodium Methyl Cocoyl Taurate is used in shampoos (especially for sensitive scalps/infants) for cleansing, softness, and static control.
Body Wash & Soap: Creates fine, stable lather in mild body washes, suitable for sensitive skin.
Baby Care: Key component in no-tear baby shampoo, bath foam, and wipes due to extreme mildness.
Oral Care: Applied in toothpaste as a mild foaming and cleansing agent.
Industrial Use: Acts as a scouring agent in textile and silk dyeing industries.
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