Title:  Ammonium Oleate 
CAS Registry Number:  544-60-5 
CAS Name:  (Z)-9-Octadecenoic acid ammonium salt 
Additional Names:  oleic acid ammonium salt;  ammonia soap 
Molecular Formula:  C18H37NO2 
Molecular Weight:  299.49 
Percent Composition:  C 72.19%, H 12.45%, N 4.68%, O 10.68% 
Line Formula:  CH3(CH2)7CH=CH(CH2)7COONH4 
Literature References:  Prepd from oleic acid and excess 28-30% NH3 soln:  Stumpf, Am. Paint J. 38, no. 45, 60, 64, 68 (1954), C.A. 48, 12428b (1954). 
Properties:  Yellowish-brown paste, softens at 50-55°F, mp 70-72°F.  At 80°F:  sol in water; slightly sol in acetone, ethanol, methanol, benzene, CCl4, xylene, naphtha.  Sol in water at 212°F, acetone at 134°F, ethanol at 172°F, methanol at 148°F, benzene at 176°F, CCl4 at 170°F, xylene at 180°F, naphtha at 160°F. 
Melting point:  mp 70-72°F 
Use:  Detergent, solidifying alcohol, demonstrating liquid crystals according to Lehmann.   |