Title:  Ammonium Benzoate 
CAS Registry Number:  1863-63-4 
CAS Name:  Benzoic acid, ammonium salt 
Molecular Formula:  C7H9NO2 
Molecular Weight:  139.15 
Percent Composition:  C 60.42%, H 6.52%, N 10.07%, O 23.00% 
Line Formula:  C6H5COONH4 
Literature References:  It is about 99% pure.  Manuf from benzoic acid and NH3:  Spina, US 1704636 (1929 to Hooker Electrochem.). 
Properties:  Lamellar crystals or crystalline powder; odorless or faint benzoic acid odor; gradually loses NH3 on exposure to air.  d 1.26.  mp 198°.  One gram dissolves in 4.7 ml water, 1.2 ml boil. water, 36 ml alcohol, 8 ml boil. alcohol, 8 ml glycerol.  The aq soln is slightly acid.  Keep well closed.  Incompat.  Ferric salts, acids, alkali hydroxides or carbonates. 
Melting point:  mp 198° 
Density:  d 1.26 
Use:  To preserve glue and latex. 
Therap-Cat:  Urinary anti-infective.   |