Dimethyldioctadecylammonium chloride

Dimethyldioctadecylammonium chloride

Other names	distearyldimonium chloride Aliquot 207
Identifiers
CAS number	107-64-2
SMILES	CCCCCCCCCCCCCCCCCC[N+] (C)(C)CCCCCCCCCCCCCCCCCC[Cl-]
Properties
Molecular formula	C₃₈H₈₀NCl
Molar mass	586.64 g/mol
Density	? g/cm³
Melting point	<25 °C
Boiling point	°C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Dimethyldioctadecylammonium chloride, or distearyldimonium chloride, is a quaternary ammonium salt consisting of a nitrogen atom substituted with two methyl groups and two octadecyl groups. The long-chain hydrocarbon groups combined with the ionic nature of the amine group enables it to act as a surfactant or a detergent.

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In household products, it may be found as an ingredient in fabric softeners, cosmetics, and hair conditioners in which it is added primarily for its antistatic effects. It is also used in organic synthesis as a phase transfer catalyst to increase reaction rates in a two-phase organic-water system.