2029. Cetyldimethylethylammonium Bromide

Nomenclature

CAS number: 124-03-8
N-Ethyl-N,N-dimethyl-1-hexadecanaminium bromide; ethylhexadecyldimethylammonium bromide; ethyl cetab; CDA; Ammonyx DME (Onyx).
C20H44BrN; mol wt 378.47.
C 63.47%, H 11.72%, Br 21.11%, N 3.70%.

Description and references

Cationic germicidal detergent. Prepn and antibacterial activity: R. S. Shelton et al., J. Am. Chem. Soc. 68, 753 (1946).

Chemical structure

Properties

White powder, mp 178-186°. Soluble in water, alcohol; slightly sol in chloroform, benzene, ether.

Use

Disinfectant; laboratory reagent.