Title: Lapyrium Chloride
CAS Registry Number: 6272-74-8
CAS Name: 1-[2-Oxo-2-[[2-[(1-oxododecyl)oxy]ethyl]amino]ethyl]pyridinium chloride
Synonyms: 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)
Manufacturers' Codes: E-607
Trademarks: DG-6 (Craveri); Emcol E-607 (Witco)
Molecular Formula: C21H35ClN2O3
Molecular Weight: 398.97
Percent Composition: C 63.22%, H 8.84%, Cl 8.89%, N 7.02%, O 12.03%
Literature 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.
Properties: Powder, mp 141-144°.
Melting point: mp 141-144°
Derivative Type: Stearoyl analog
CAS Registry Number: 14492-68-3
Synonyms: Quaternium-7; steapyrium chloride
Trademarks: Emcol E-607S (Witco)
Molecular Formula: C27H47ClN2O3
Molecular Weight: 483.13
Percent Composition: 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).
Therap-Cat: Antiseptic, disinfectant.
Keywords: Antiseptic/Disinfectant; Quaternary Ammonium Compounds.