Cosmetic Ingredient: Behenyl Trimethyl Ammonium Methyl Sulfate (CAS 81646-13-1)
BTMS 50 has emerged as a pivotal ingredient within the cosmetics sector, earning particular acclaim for its remarkable efficacy in hair care formulations.
Parameter | Details |
Chemical Formula | C₂₆H₅₅NO₄S |
Molecular Weight | 477.8 g/mol |
Melting Point | Roughly 58 - 62 °C |
Solubility | Readily soluble in hot alcohols and select organic solvents, while only sparingly soluble in water at ambient temperature |
Functioning as a highly efficient cationic surfactant, this ingredient boasts robust adsorptive capabilities.
It tightly adheres to the hair surface, playing a crucial role in hair conditioners and treatments.
By constructing a protective film, it slashes the friction between individual hair strands, warding off tangling and breakage.
Additionally, it endows hair with a luxuriously smooth and soft texture, boosting both manageability and shine.
During the hair-washing routine, it aids in upholding the hair's natural moisture equilibrium, staving off excessive dryness.

Its humidity-resistant property ensures that hair stays sleek and frizz-free, even on muggy days.