Title: Ammonium Salicylate
CAS Registry Number: 528-94-9
CAS Name: 2-Hydroxybenzoic acid monoammonium salt
Additional Names: salicylic acid monoammonium salt
Molecular Formula: C7H9NO3
Molecular Weight: 155.15
Percent Composition: C 54.19%, H 5.85%, N 9.03%, O 30.94%
Literature References: Prepd from salicylic acid and aq NH3: Cahours, Ann. 52, 336 (1844).
Properties: Odorless, lustrous crystals or white, cryst powder. Discolors on exposure to light; loses some NH3 on long exposure to air. Readily discolored by iron compounds. One gram dissolves in 1 ml water, 3 ml alcohol. The aq soln is slightly acid. Keep in the dark and protected from contamination by iron.
Therap-Cat: Analgesic; topically to loosen psoriatic scales.
Keywords: Analgesic (Non-Narcotic); Antipsoriatic.