Distearyldimethylammonium chloride

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Dimethyldioctadecylammonium chloride
Distearyldimonium chloride.png
IUPAC name
N,N-Dimethyl-N-octadecyloctadecan-1-aminium chloride
Other names
Dimethyldioctadecylammonium chloride, or; Distearyl dimethyl ammonium chloride; Aliquot 207, DDAC, distearyldimonium chloride, DSDMAC
107-64-2 YesY
ChemSpider 7591 YesY
Jmol-3D images Image
PubChem 7879
Molar mass 586.52 g·mol−1
Melting point < 25 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 YesY verify (what isYesY/N?)
Infobox references

Distearyl dimethyl ammonium chloride is an organic compound classified as quaternary ammonium salt. The nitrogen center substituted with two methyl groups and two stearyl groups. The combination of long-chain hydrocarbon groups and the cationic ammonium confers surfactant- or a detergent-like properties. It was once a major component of fabric softeners, but has been largely phased out because of its low biodegradability.[1] In household products, it may also be found as an ingredient in cosmetics and hair conditioners in which it is added primarily for its antistatic effects.[2] It is also used in organic synthesis as a phase transfer catalyst to increase reaction rates in a two-phase organic-water system.


  1. ^ E. Smulders, E. Sung "Laundry Detergents, 2. Ingredients and Products" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. doi:10.1002/14356007.o15_013
  2. ^ Record in the Household Products Database of NLM