Profile of Distearyldimethylammonium Chloride

Distearyldimethylammonium chloride or DSDMAC (INCI: Distearyldimonium Chloride) is a twin-tailed fatty quaternary ammonium organic compound or fatty quat (see Figure 1).1 The nitrogen atom is covalently bonded to two stearyl, i.e., n-octadecyl, groups and two methyl groups, and bears a positive charge that is balanced by a chloride anion. The molecular weight of DSDMAC (C38H80N•Cl) is 586.5 g/mol.

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