... cation/non-ion/zwitterionic surfactant,or the intermediate of pigment tranquilizer,paint N,N-Dimethyldodecylamine-12DMA C12H25N(CH3) ... , Specific gravity 0.78, Refractive index1.4351.Uses: an important intermediate of cation surfactant , it can be used in bactericide, algaecide ... and Competitive price N,N-Dimethyldodecylamine CAS NO.112-18-5