It can be prepared by distilling a mixture of dry calcium benzoate and acetate, Ca(O2CC6H5)2 + (CH3CO2)2Ca = 2CaCO3 + 2 C6H5CO.CH3, or by condensing benzene with acetyl chloride in the presence of anhydrous aluminium chloride (C. Friedel and J.
But the most important fact is that ammonium benzoate is largely used - often in combination with urinary anodynes such as tincture of hyoscyamus - as a urinary antiseptic in cases of cystitis (inflammation of the bladder) and pyelitis (inflammation of the pelvis of the kidney).
It may be obtained by the oxidation of saligenin and of salicylic aldehyde; by the distillation of copper benzoate; by the decomposition of anthranilic acid with nitrous acid; by fusion of ortho-chlor or ortho-brom benzoic acid with potash; by heating orthocyanphenol with alcoholic potash; by heatin
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