This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Properties : Sodium benzoate occurs as a white, amorphous powder, odorless, and having a sweetish astringent taste. It is freely soluble in water (1:1.6) and soluble in alcohol (1 :43)
Incompatibilities: It is incompatible with mineral acids and with ferric salts.
Action and Uses : Sodium benzoate has an internal action similar to that of sodium salicylate, but very much weaker, so that the latter salt is generally preferred.
Dosage: 1 gm. or 15 grains. It is usually administered in the form of solution.