Title: Ammonium Caprylate
CAS Registry Number: 5972-76-9
CAS Name: Octanoic acid ammonium salt
Additional Names: caprylic acid ammonium salt
Molecular Formula: C8H19NO2
Molecular Weight: 161.24
Percent Composition: C 59.59%, H 11.88%, N 8.69%, O 19.85%
Line Formula: C7H15COONH4
Literature References: Prepn from the acid and ammonia: McMaster, Magill, J. Am. Chem. Soc. 38, 1793 (1916); Stumpf, Am. Paint J. 38 (45), 60 (1954).
Properties: Monoclinic crystals from ether + alcohol. Somewhat hygroscopic. Decomposes on standing and develops odor of caprylic acid. mp 70-85°. Easily hydrolyzed by water. Freely sol in glacial acetic acid and ethanol; less sol in methanol; slightly sol in acetone and ethyl acetate. Practically insol in chloroform, benzene. Keep well closed.
Melting point: mp 70-85°
Use: In photographic emulsions; as insecticide and nematocide; in manuf of zinc caprylate.