5370. Lapyrium Chloride

Nomenclature

CAS number: 6272-74-8
1-[2-Oxo-2-[[2-[(1-oxododecyl)oxy]ethyl]amino]ethyl]pyridinium chloride; 1-[(2-dodecanoyloxyethylcarbamoyl)methyl]pyridinium chloride; 1-[[(2-hydroxyethyl)carbamoyl]methyl]pyridinium chloride laurate (ester); N-(lauroylcolaminoformylmethyl)pyridinium chloride; N-(acylcolaminoformylmethyl)pyridinium chloride; emulsept (obsolete); E-607; DG-6 (Craveri); Emcol E-607 (Witco).
C21H35ClN2O3; mol wt 398.97.
C 63.22%, H 8.84%, Cl 8.89%, N 7.02%, O 12.03%.

Description and references

Cationic surfactant. Prepn: A. K. Epstein, B. R. Harris, US 2290173 (1942). Bactericidal potency: A. K. Epstein et al., Proc. Soc. Exp. Biol. Med. 53, 238 (1943). Toxicity study: A. E. Vivino, T. Koppanyi, J. Am. Pharm. Assoc. Sci. Ed. 35, 169 (1946). Chemoenzymatic synthesis: E. M. Rustoy, A. Baldessari, Eur. J. Org. Chem. 2005, 4628.

Chemical structure

Properties

Powder, mp 141-144°.

Derivative

Stearoyl analog.

Nomenclature

CAS number: 14492-68-3
Quaternium-7; steapyrium chloride; Emcol E-607S (Witco).
C27H47ClN2O3; mol wt 483.13.
C 67.12%, H 9.81%, Cl 7.34%, N 5.80%, O 9.93%.

Use

Surfactant ingredient in personal care products; in waste-water treatment; in corrosion inhibition formulations. Pharmaceutic aid (surfactant).

Therapeutic Category

Antiseptic, disinfectant.

Keywords

Antiseptic/Disinfectant; Quaternary Ammonium Compounds