Behentrimonium Methosulfate 25  (BTMS-25) is a mild cationic surfactant and conditioning agent derived from rapeseed oil. It is primarily used in hair care formulations such as conditioners, hair masks, leave-in treatments, and detanglers.
BTMS-25 is known for its excellent detangling, softening, and anti-static properties. It has a dual function: it acts as a mild emulsifier to stabilize oil-in-water formulations and as a conditioning agent to leave hair feeling smooth, soft, and manageable. The “25” indicates that it is typically supplied as a 25% active aqueous solution, making it easy to incorporate into formulations.
 
Applications:  Hair conditioners and detanglers Leave-in, Hair treatments and masks, Hair creams and styling products
Grade: Cosmetic / Hair Care Grade
Appearance: Pale yellow to amber viscous liquid
Solubility:  Soluble in water; dispersible in oils
pH Range: Approximately 4.5 – 6.0
Chemical Formula: C₂₅H₅₂N⁺CH₃OSO₃
Cas. No:  17301-53-0