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.