Arquad T-50
Arquad T-50, Tallowalkyltrimethyl ammonium chloride, Quaternary ammonium compounds Alkyltrimethyl, Arquad® T-50 is a cationic surfactant based on tallow amine - Tallowtrimethylammonium chloride.
https://www.nouryon.com/product/arquad-t-50-tallowalkyltrimethyl-ammonium-chloride/