13-02035. Cetrimonium Stearate [Archived]

Nomenclature

CAS number: 124-23-2
N,N,N-Trimethyl-1-hexadecanaminium octadecanoate; hexadecyltrimethylammonium stearate; cetyltrimethylammonium stearate; trimethylhexadecylammonium stearate; Arquad 16 stearate; Dynafac.
C37H77NO2; mol wt 568.01.
C 78.24%, H 13.66%, N 2.47%, O 5.63%.
[CH3(CH2)16COO][CH3(CH2)15N(CH3)3].

Description and references

Prepn: Gautier et al., Bull. Soc. Chim. Fr. 1955, 634.

Properties

Solid, mp 142-143°. Practically insol in water, alcohol.

Note

The commercial product, a waxy solid, also contains other alkyltrimethylammonium stearates, since the hexadecyl chain is derived from soybean fatty acids.

Status

This monograph has been retired and is no longer subject to revision or update.