0
Bobo192 ∙
A benzhydrylpiperazine is another term for a diphenylmethylpiperazine - a piperazine derivative featuring a piperazine ring with a benzhydryl (diphenylmethyl) group bound to one of the nitrogens.
Wiki User
pKa1 = 2.16 pKa2 = 8.05 Ref: Newton, D.W., Murray, w.j., Lovell, M.W. pKa Determination of benzhydrylpiperazine antihistamines in aqueous and aqueous methanol solutions (1982) Journal of Pharmaceutical Scienses 71 (12), pp. 1363-1366